8th Grade Science Vocabulary

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An #eighthgrade #science quiz for the NC science standards vocabulary - end of the year EOG review

Flashcards226 cardsFPractice quizPHost liveL

Questions 226

Answers

1
an organism that a parasite lives in or on
bacteria
commensalism
fungus
host
2
the process in which bubbles of gas form throughout a liquid and rise to the surface
melting
dissolving
condensation
boiling
3
to live in the same habitat without competing
community
compete
cooperate
coexist
4
principle that matter is neither created/destroyed during a chemical reaction
law of conservation of mass
law of sedimentation
law of superposition
law of life
5
a group of organisms of the same species living in the same place
species
community
ecosystem
population
6
the process by which cells break down sugar to release stored energy
chemosynthesis
photosynthesis
evapotranspiration
cellular respiration
7
the shortest division of geologic time
eon
period
era
epoch
8
An organism used to monitor the health of an ecosystem
turbidity
salinity
macroindicator
bioindicator
9
The first period of the oldest era on the geologic time scale
Cambrian
Jurassic
Triassic
Cretacious
10
The movement of carbon among living organisms, the air, and the ground
Carbon dioxide
Oxygen cycle
Carbon cycle
Nitrogen cycle
11
a group of two or more atoms held together by chemical bonds
molecule
elements
baking soda
vinegar
12
a method used to separate a dissolved solid from liquid and also when a liquid changes to gas
condensation
transpiration
precipitation
evaporation
13
a group of chemical symbols/numbers that show the number of atoms of each element in a molecule
chemical bond
chemical symbol
chemical formula
chemical equation
14
the continual change of rock from one kind to another
crust
sediments
volcanic cycle
rock cycle
15
An electrical property that can be either positive or negative
electricity
salinity
charge
conductivity
16
the continuous movement of water between Earth's surface and its atmosphere
water cycle
hydropower
solar energy
geothermal
17
measuring the age of a material by comparing the amount of radioactive decay with elements
radioactive dating
relative dating
absolute dating
romantic dating
18
water that is not salty
brackish
saltwater
freshwater
ocean water
19
a taxonomic group made up of similar phyla
kingdom
genus
species
phylum
20
a series of organisms in which each feeds on the one at the next lower trophic level
food
food link
food chain
food web
21
a mixture in which substances are not distributed evenly
substance
heterogeneous
homogeneous
dissolved
22
The temperature at which a substance boils
Boiling threshold
Salinity
Boiling point
Densitiy
23
a harmful material released into the environment
parasite
photovoltaic
pollutant
pollen
24
all the populations of organisms in an ecosystem
population
ecosystem
community
habitat
25
a chart that organizes information about all the known elements according to their properties
geologic time scale
nutrient table
element encloypedia
periodic table
26
an opening in earth's crust through which melted rock, ash, and gases are released
volcano
tectonic plate
fault
metamorphic
27
a homogeneous mixture where one substance is completely dissolved in another
pure substance
element
compound
solution
28
process by which some organisms use the energy stored in chemical bonds to make their own food
photosynthesis
chemosynthesis
cellular respiration
evaporation
29
a body part that does not seem to have a function in an organism
vestigial structure
analogous structure
zygote structure
homologous structure
30
an animal that hunts, kills, and eats other animals
bacteria
prey
organism
predator
31
a fossil that is used for dating because the organism only lived for a short period of time
trace fossil
index fossil
cast fossil
mold fossil
32
a process by which weathered rock is picked up and moved to new places
deposition
erosion
cementing
weathering
33
the complete sequence of an organism's DNA
gene
genome
RNA
eukaryote
34
heat energy from within Earth that can be used to heat buildings and produce electricity
geothermal
freshwater
biomass
hydropower
35
process in which the nucleus of the cell divides in two
microorganism
mitosis
metal
meosis
36
a taxonomic group that consists of closely related species
kingdom
domain
phylum
genus
37
geologic time that consists of three eons and includes most of Earth's history
Cambrian
era
Precambrian
eon
38
a measure of how clear the water is
viscousity
dissolved oxygen
turbidity
salinity
39
the joining of an egg and a sperm to form a zygote
vaccines
fertilization
epidemics
asexual reproduction
40
When plant cells use energy of sunlight to make their own food
glycosis
active transport
cellular respiration
photosynthesis
41
the systematic grouping of organisms based on shared characteristics
competition
genus
classification
kingdom
42
a solid that forms during a chemical reaction that takes place in a solution
nitrogen
precipitate
ice
liquid
43
an epidemic that spreads over a large area, or throughout the world
disease
pandemics
microbiology
nervous system
44
a measure of how acidic or how basic a liquid is
dissolved oxygen
turbidity
salinity
pH
45
energy stored in the nucleus of an atom
potential energy
nuclear energy
chemical energy
mechanical energy
46
a substance that is produced in a chemical reaction
reactant
product
compound
yields
47
An extremely rapid growth of algae caused by too many nutrients in the water
Algal bloom
Turbidity
Conductivity
Salinity
48
A close relationship between two different species of organisms living together
symbiosis
community
competition
ecosystem
49
the temperature at which a substance changes from a solid or liquid
freezing point
melting point
boiling point
condensation point
50
a number written before a chemical formula to show how many molecules/atoms there are
coefficient
subscript
exponent
atomic number
51
a symbiotic relationship in which both organisms benefit
parasitism
symbiosis
mutualism
commensalism
52
a pathogen that consists of a microscopic core of genetic material surrounded by a protein coat
bacteria
fungi
infection
virus
53
the careful use and management of natural resources
conservation
biotechnology
limiting factor
transpiration
54
a tiny part of a chromosome that helps determine a particular trait
chromosome
DNA
cell
gene
55
a particle with no change, found in the nucleus of an atom
neutron
proton
nucleus
electron
56
a pure substance that forms when two or more elements join chemically
element
compound
substance
mixture
57
a change in the genetic material of an organism
mutuation
adaptation
cloning
DNA
58
a disease that can be passed from one organism to another
pandemic
infectious
epidemic
fungal
59
a living thing
parasite
organelle
organism
nutrients
60
a process by which elements and compounds combine to form new substances
chemical symbol
chemical reaction
chemical equation
chemical formula
61
the process by which a species of organisms change over time
deforestation
filtration
competition
evolution
62
A rigid structure that surrounds the cell membrane in plant cells and in some other organisms
cytoplasm
mitochondria
cell membrane
cell wall
63
differences that exist naturally among members of a population or species
adaptations
evolution
variations
natural selection
64
organism such as a mushroom, yeast, or mold
fungus
parasite
bacteria
algae
65
a code, usually made up of one or two letters, used to represent an element
chemical letters
chemical formula
chemical code
chemical symbol
66
rock that forms when existing rock is exposed to high heat or pressure or both
foliated
igneous
sedimentary
metamorphic
67
a classification group made up of similar orders
genus
class
kingdom
order
68
a feeding level in an ecosystem
consumer
community
producer
trophic level
69
a negatively charged subatomic particle that is located outside the nucleus of an atom
proton
nucleus
proton
electron
70
rock that forms from compacted sediment
sedimentary
metamorphic
the rock cycle
igneous
71
The thin, flexible outer covering of a cell that controls which materials enter and leave
Cell shield
Cell membrane
Cell cytoplasm
Cell wall
72
an organism whose cells lack a nucleus and organelles enclosed by membranes
eukaryote
plant cell
prokaryote
human cell
73
an organism's surroundings
community
species
population
environment
74
the place where an organism lives
ecosystem
host
habitat
environment
75
a device that gathers sunlight and reflects it onto fluid-filled pipes
solar reflector
solar energy
photovoltaic cell
solar battery
76
a rock that forms when melted rock cools and hardens
foliated
igneous
sedimentary
metamorphic
77
a division of an eon on the geologic time scale
period
epoch
era
holocene
78
in a solution, the substance that dissolves
solvent
mixture
solute
molecule
79
the following practices that protect Earth's resources
protection
solar energy
stewardship
renewable energy
80
the form of cell division that produces gametes
mitosis
meiosis
zygote
asexual reproduction
81
a technique that produces an organism that is an exact genetic copy of another
decomposition
conservation
cloning
asexual reproduction
82
the dropping of pieces of weathered rock, carried by water, wind, or ice
deposition
composition
denitrification
condensation
83
a process used to separate the parts of a mixture by particle size
sifting
shake
evaporation
saltwater
84
the human body system that gathers and responds to information about the environment
digestive system
circulatory system
nervous system
respiratory system
85
the release of an unwanted substance into the environment
pollution
biotechnology
microbiotechnology
geothermal
86
the energy of the moving particles that make up all matter
kinetic energy
thermal energy
potential energy
chemical energy
87
an organism's role in its environment
ecosystem
habitat
niche
environment
88
the science of classifying organisms
natural selection
evolution
genetic variation
taxonomy
89
the outer layer of the lithosphere
inner core
mantle
outer core
crust
90
the process by which gas changes to liquid
melting
evaporation
transpiration
condensation
91
A horizontal row in the periodic table
column
family
period
group
92
a process that breaks down rock into smaller pieces
deposition
weathering
erosion
sedimentation
93
an element that does not conduct heat or electricity well and is dull/brittle and gaseous
metal
nonmetal
metalloid
noble gas
94
the center of an atom, containing protons and neutrons
electrons
ions
molecules
nucleus
95
a microorganism that causes disease
mitochondria
proton
pathogen
niche
96
process that converts nitrogen in atmosphere into compounds in soil that make it useful
nitrogen fixation
carbon cycle
nitrogen cycle
denitrification
97
all the water found on, above, and under Earth's surface
hydropower
the water cycle
hydrosphere
geothermal
98
a measure of atom's mass, equal to the number of protons and neutrons in an atom's nucleus
Atomic element
Atomic number
Atomic symbol
Atomic mass
99
to make living things of the same kind
mitosis
reproduce
cell division
meiosis
100
Basic building block of matter, smallest part of element that retains its properties
Neutron
Atom
Cell
Proton
101
pollution that comes from many places or an unidentified source
point source
non-point source
102
a method for separating solids from liquids in a solution
filitration
evaporation
freshwater
sedimentation
103
water that flows over the land without sinking into the group
ocean basin
salinity
drainage
runoff
104
a number that tells how many atoms of each element are in a molecule
atomic mass
subscript
coefficient
atomic number
105
the folding of rock upward due to stress between converging plates
faults
uplift
volcanoes
igneous rock
106
The system of unique, two part names for organisms
classification
binomial nomenclature
scientific name
taxonomy
107
a member of kingdom Protista which includes one-celled and many-celled organisms
protist
rocks
domains
bacteria
108
The fluid that fills most of the space in the cell
water
saltwater
chloroplast
cytoplasm
109
all living/nonliving parts of an environment as well as the interactions among them
abiotic
ecosystem
population
community
110
Reproduction that involves only one parents and produces genetically identical offspring
Asexual reproduction
Miosis
Sexual reproduction
Mitosis
111
a large molecule containing the genetic information that determines an organism's traits
DNA
cells
mitochrondria
cell membrane
112
the ability of one substance to dissolve into another; the amount of solute that can dissolve
salinity
solution
solubility
mixture
113
an organism whose cells contain a nucleus and organelles enclosed by membranes
eukaryotes
prokaryotes
bacteria
sikaryotes
114
A rock layer that collects and stores water
Impermeable layer
Groundwater
Aquifer
Permeable Layer
115
A force that holds atoms together in molecules
chemical bond
chemical glue
charge
electricity
116
an organism that lives in or on another organism and benefits at the other organism's expensive
fungi
bacteria
host
parasite
117
The number of protons in the nucleus of an atom
Atomic protons
Atomic mass
Atomic number
Atomic symbol
118
the permanent dying out of a species or larger group of organisms
evaporation
extinction
adaptations
competition
119
the tendency of a substance to undergo chemical changes
electron negativity
solubility
reactivity
salinity
120
the human body system that carries oxygen and food to cells and CO2 and waste away from cells
respiratory system
circulatory system
digestive system
nervous system
121
the preserved remains or evidence of an organism that lived in a past age
igneous rocks
sedimentation
metamorphic rocks
fossil
122
human body system that takes in oxygen from the air and passes it to circulatory system
salinity system
respiratory system
nervous system
digestive system
123
a living part of an ecosystem
eco factor
limiting factor
biotic factor
abiotic factor
124
the place where two tectonic plates meet
ridge
plate boundary
earthquake
volcano
125
no longer found living on Earth
biotic factor
extinct
abiotic factor
community
126
a structure in the nucleus of a cell that contains cell's genetic material
chromosome
cell membraine
cytoplasm
mitochondria
127
the study of earth's history, processes, and structures
ecology
geography
biology
geology
128
the human body system that takes in food and breaks it down to be used by cells
ecosystem
circulatory system
digestive system
nervous system
129
matter made up of two or more substances that are not joined chemical
element
mixture
substance
bonded
130
A drug that kills bacteria or slows their growth (used for infections)
Vaccine
Injection
Antibiotics
Antifungal
131
energy that travels in the form of waves, through matter or through space
electromagnetic energy
magnetic energy
chemical energy
electrical energy
132
an animal that is hunted by other animals for food
predator
prey
domain
resource
133
a specialized cell (sperm or egg) used for reproduction
cell membrane
cytoplasm
gamete
nucleus
134
a relationship in which one animal hunts, kills, and eats another
cooperation
competition
prey
predation
135
part of Earth's surface that is covered by ocean water
surface water
rivers
ocean basin
lakes
136
A description of a chemical reaction using chemical formulas, subscripts, and coefficients
chemical formula
chemical problem
chemical equation
chemical energy
137
a break or crack in Earth's surface along which movement occurs
valley
volcano
intrusion
fault
138
a cell organelle that stores water, proteins, and carbohydrates
mitochondria
nucleus
vacuole
cytoplasm
139
the age of a rock or fossil described in comparison to that of another rock or fossil
relative age
true age
radioactive age
absolute age
140
an organism that transports a disease
bacteria
vaccine
parasite
vector
141
the energy of moving air
geothermal energy
hydropower
wind energy
solar energy
142
a network of interconnected food chains
food chain
food sink
food pyramid
food web
143
an area of land that drains into a stream, river, lake, or other body of water
hydropower
wet land
watershed
water cycle
144
a block of time on the geologic time scale which unique rock layers were laid down
eon
period
superposition
era
145
The basic unit of structure and function in all living things
Electron
Cell
Membrane
Atom
146
a device that can change light energy into electricity; also called a solar cell
microbiology
photovoltaic cell
solar fan
geothermal
147
scientists look at these to learn about past gases
ice cores
fossils
pollen samples
rocks
148
a positively charged particle found in the nucleus of an atom
proton
electron
ion
neutron
149
Any material from living things that can be used as an energy source
biomass
geothermal
hydropower
solar
150
The two domains of prokaryotes
Bacteria and protists
Archaea and fungi
Archaea and bacteria
Fungi and trees
151
a vertical column in the periodic table; also know as a family
period
characteristic
row
group
152
the movement of cold, nutrient rich water from deep layers in the ocean up to the surface
upwelling
tides
wave pool
ocean currents
153
water that falls to Earth's surface in the form of rain, sleet, hail, or snow
evaporation
runoff
precipitation
transpiration
154
A trait that helps an organism survive in a particular environment
homologous structure
adaptation
vestigial structure
physical characterisitic
155
an organism that gets energy by breaking down dead organisms and wastes of living things
decomposer
producer
autotroph
consumer
156
an underwater mountain range that forms where ocean plates move apart
valley
igneous
rift
mid-ocean ridge
157
harmful to the body
toxic
respiratory
nervous
digestive
158
the conversion of nitrates and other compounds containing nitrogen into nitrogen gas
denitrification
decarbonism
nitrogen fixation
carbon fixation
159
the energy of moving objects
chemical energy
electrical energy
mechanical energy
electromagnetic energy
160
melted rock that reaches the earth's surface
igneous
magma
metamorphic
lava
161
the energy that is stored in chemical bonds
chemical energy
bond energy
kinetic energy
potential energy
162
the largest group in the biological classification system
species
kingdom
domain
genus
163
a place where freshwater from a river mixes with salt water from the ocean
salinity
estuary
riverbed
wetland
164
large structure in a cell that controls many of its functions and contains its genetic material
nucelus
mitochondria
ribosomes
cytoplasm
165
the actual age of a rock or fossil, or how long ago it formed
relative age
absolute age
approximate age
radioactive age
166
one of the large sections into which the lithosphere is broken
tectonic plate
volcano
faults
continents
167
an organism that does make its own food an gets energy from other organism
producer
autotroph
decomposer
consumer
168
a group of organisms that share most characteristics and can produce fertile offspring
class
community
species
ecosystem
169
a change in a substance that does not change the chemical makeup of the substance
chemical change
physical reaction
chemical reaction
physical change
170
a substance that is present at the beginning of a chemical reaction
reactant
transpiration
product
solute
171
an element that conducts heat/electricity well, is shiny, and can be hammered into sheets/wires
noble gases
metalloid
metal
non-metal
172
matter that has the same chemical composition throughout and cannot be separated
salt
compound
mixture
pure substance
173
melted rock beneath the earth's surface
metamorphic
lava
igneous
magma
174
a classification domain made up of organisms whose cells have organized nuclei
Fungi
Bacteria
Eukarya
Prokaryotes
175
new ocean floor from melted rock that comes up from the mantle and flows into separated plates
crack in the earth's crust
formation of a fault
volcanic activity
sea floor spreading
176
A helpful interaction among organisms living in limited area that aids each organism's survival
cooperation
coexistence
mutualism
symbiosis
177
a technology that changes the genetic material of a living organism
genetic modification
biotechnology
fossil fuels
cloning
178
The manipulation of living things to make useful products
geothermal
biomass
macrotechnology
biotechnology
179
the saltiness of a body of water
dissolved oxygen
turbidity
salinity
solubility
180
an interaction that occurs when organisms try to get the same resources
cooperation
coexistence
conservation
competition
181
a timeline that organizes major events in Earth;s history
geologic time scale
the rock cycle
cellular respiration
taxonomy
182
an early stage in the development of an organism
embryo
larva
toddler
baby
183
the process in which dead organisms are broken down
decomposition
photosynthes
transpiration
chemosynthesis
184
in a substance, the substance that does the dissolving
compound
ion
solute
solvent
185
the energy of moving electric charges
negative energy
chemical energy
potential energy
electrical energy
186
a mixture in which substances are evenly distrubuted
substance
homogenous
pure
heterogenous
187
an organism that makes its own food; an autotroph
decomposer
producer
heterotroph
consumer
188
One-celled prokaryotes, some of which can cause disease
algae
infection
bacteria
fungi
189
A change that results in the formation of a new substance or substances
chemical change
melting
dissolving
physical change
190
Parts of different organisms that perform similar functions but don't have similar structures
Homologous structures
Partial structures
Vestigial structures
Analogous structures
191
a substance that an organism needs to carry out life functions
nutrients
macromolecules
glucose
organelle
192
an outbreak of a disease that affects many people in an area
epidemic
influenza
pandemic
the common cold
193
a symbiotic relationship where one organisms benefits and the other is unaffected
commensalism
mutualism
parasitism
cooperation
194
characteristic of a substance that can't be observed w/o changing the identity of the substance
chemical energy
chemical symbol
chemical property
chemical atoms
195
the ability to make things move or change
erosion
magic
energy
conservation
196
a device that stores electrical energy produce by a solar cell during the day
photovoltaic
solar energy
geothermal
solar battery
197
one of the basic substances that combine to form other substances, cannot be broken down
elements
molecules
substances
mixtures
198
process which rock layers are squeezed together and upward, forming a ripple in Earth's crust
sedimentation
magma cooling
folding
erosion
199
a source of energy formed from the the remains of organisms that lived millions of years ago
fossil fuel
geothermal
renewable resources
biomass
200
an orgamism that does not make its own food and gets energy from other organisms
producer
heterotroph
decomposer
autotroph
201
the process by which organisms that are best suited to a environment survive and reproduce
adaptations
natural selection
meiosis
evolution
202
organelles that release energy from glucose in a cell
chloroplast
cytoplasm
mitochondria
nucleus
203
movement of nitrogen among living organisms, the air, and the ground
nitrogen cycle
water cycle
oxygen cycle
carbon cycle
204
a living thing that cannot be seen without a microscope
nitrogen
algae
microorganism
phylum
205
the process in which water vapor is released into the air from the leaves of plants
transpiration
evaporation
plantation
runoff
206
An organism that makes it own food; a producer
consumer
omnivore
autotroph
heterotrophs
207
parts of different organisms that have a similar structure but not similar function
analogous
specialized
homologous
vestigial
208
the study of microscopic organisms
biotechology
geology
macrobiology
microbiology
209
a cell formed as a result of fertilization
gamete
mitochondria
zygote
meiosis
210
a symbiotic relationship relationship in which one organism benefits and the other is harmed
commensalism
mutualism
parasitism
symbiotic
211
pollution that comes a single, identifiable source
water pollution
air pollution
point source
non point source
212
a source of energy that is used much faster than it can be replaced
geothermal energy
nonrenewable
renewable
solar energy
213
energy from the sun
chemical energy
solar energy
mechanical energy
hydro energy
214
the longest unit on the geologic time scale
period
epoch
era
eon
215
an organelle that makes proteins
mitochondria
cytoplasm
ribosomes
nucleus
216
weathered rock and other materials deposited by water, wind, and ice
erosion
magma
sediment
lava
217
a source of energy that can be replaced as it is used or that cannot be used up
coal
oil
nonrenewable
renewable
218
a taxonomic group made up of related classes
kingdom
domain
phylum
species
219
water located below Earth's surface
groundwater
hydrospehere
aquifer
saline
220
A nonliving part of an ecosystem
biotic factor
abiotic factor
limiting factor
atom
221
a weakened/dead pathogen that causes an organism to develop an immunity against that pathogen
vaccine
epidemic
influenza
pandemic
222
an atom that has lost or gained electrons and has a charge
proton
ion
molecule
neutron
223
organelle found in plant cells that is used during photosynthesis
chloroplast
water
cell wall
sugar
224
the outer part of the earth; made of solid rock
outer core
inner core
lithosphere
crust
225
law that states in sedimentary rock, older rock is beneath younger rock layers
law of conservation of mass
law of rocks
law of superposition
law of foliation
226
the energy of moving water
the water cycle
hydrosphere
geothermal
hydropower

8th Grade Science Vocabulary Flashcards | StudBud

8th Grade Science Vocabulary

226 termsStudBud Administration1,921 plays

An #eighthgrade #science quiz for the NC science standards vocabulary - end of the year EOG review

Flashcards226 cardsFPractice quizPHost liveL

Questions 226

Answers

1
an organism that a parasite lives in or on
bacteria
commensalism
fungus
host
2
the process in which bubbles of gas form throughout a liquid and rise to the surface
melting
dissolving
condensation
boiling
3
to live in the same habitat without competing
community
compete
cooperate
coexist
4
principle that matter is neither created/destroyed during a chemical reaction
law of conservation of mass
law of sedimentation
law of superposition
law of life
5
a group of organisms of the same species living in the same place
species
community
ecosystem
population
6
the process by which cells break down sugar to release stored energy
chemosynthesis
photosynthesis
evapotranspiration
cellular respiration
7
the shortest division of geologic time
eon
period
era
epoch
8
An organism used to monitor the health of an ecosystem
turbidity
salinity
macroindicator
bioindicator
9
The first period of the oldest era on the geologic time scale
Cambrian
Jurassic
Triassic
Cretacious
10
The movement of carbon among living organisms, the air, and the ground
Carbon dioxide
Oxygen cycle
Carbon cycle
Nitrogen cycle
11
a group of two or more atoms held together by chemical bonds
molecule
elements
baking soda
vinegar
12
a method used to separate a dissolved solid from liquid and also when a liquid changes to gas
condensation
transpiration
precipitation
evaporation
13
a group of chemical symbols/numbers that show the number of atoms of each element in a molecule
chemical bond
chemical symbol
chemical formula
chemical equation
14
the continual change of rock from one kind to another
crust
sediments
volcanic cycle
rock cycle
15
An electrical property that can be either positive or negative
electricity
salinity
charge
conductivity
16
the continuous movement of water between Earth's surface and its atmosphere
water cycle
hydropower
solar energy
geothermal
17
measuring the age of a material by comparing the amount of radioactive decay with elements
radioactive dating
relative dating
absolute dating
romantic dating
18
water that is not salty
brackish
saltwater
freshwater
ocean water
19
a taxonomic group made up of similar phyla
kingdom
genus
species
phylum
20
a series of organisms in which each feeds on the one at the next lower trophic level
food
food link
food chain
food web
21
a mixture in which substances are not distributed evenly
substance
heterogeneous
homogeneous
dissolved
22
The temperature at which a substance boils
Boiling threshold
Salinity
Boiling point
Densitiy
23
a harmful material released into the environment
parasite
photovoltaic
pollutant
pollen
24
all the populations of organisms in an ecosystem
population
ecosystem
community
habitat
25
a chart that organizes information about all the known elements according to their properties
geologic time scale
nutrient table
element encloypedia
periodic table
26
an opening in earth's crust through which melted rock, ash, and gases are released
volcano
tectonic plate
fault
metamorphic
27
a homogeneous mixture where one substance is completely dissolved in another
pure substance
element
compound
solution
28
process by which some organisms use the energy stored in chemical bonds to make their own food
photosynthesis
chemosynthesis
cellular respiration
evaporation
29
a body part that does not seem to have a function in an organism
vestigial structure
analogous structure
zygote structure
homologous structure
30
an animal that hunts, kills, and eats other animals
bacteria
prey
organism
predator
31
a fossil that is used for dating because the organism only lived for a short period of time
trace fossil
index fossil
cast fossil
mold fossil
32
a process by which weathered rock is picked up and moved to new places
deposition
erosion
cementing
weathering
33
the complete sequence of an organism's DNA
gene
genome
RNA
eukaryote
34
heat energy from within Earth that can be used to heat buildings and produce electricity
geothermal
freshwater
biomass
hydropower
35
process in which the nucleus of the cell divides in two
microorganism
mitosis
metal
meosis
36
a taxonomic group that consists of closely related species
kingdom
domain
phylum
genus
37
geologic time that consists of three eons and includes most of Earth's history
Cambrian
era
Precambrian
eon
38
a measure of how clear the water is
viscousity
dissolved oxygen
turbidity
salinity
39
the joining of an egg and a sperm to form a zygote
vaccines
fertilization
epidemics
asexual reproduction
40
When plant cells use energy of sunlight to make their own food
glycosis
active transport
cellular respiration
photosynthesis
41
the systematic grouping of organisms based on shared characteristics
competition
genus
classification
kingdom
42
a solid that forms during a chemical reaction that takes place in a solution
nitrogen
precipitate
ice
liquid
43
an epidemic that spreads over a large area, or throughout the world
disease
pandemics
microbiology
nervous system
44
a measure of how acidic or how basic a liquid is
dissolved oxygen
turbidity
salinity
pH
45
energy stored in the nucleus of an atom
potential energy
nuclear energy
chemical energy
mechanical energy
46
a substance that is produced in a chemical reaction
reactant
product
compound
yields
47
An extremely rapid growth of algae caused by too many nutrients in the water
Algal bloom
Turbidity
Conductivity
Salinity
48
A close relationship between two different species of organisms living together
symbiosis
community
competition
ecosystem
49
the temperature at which a substance changes from a solid or liquid
freezing point
melting point
boiling point
condensation point
50
a number written before a chemical formula to show how many molecules/atoms there are
coefficient
subscript
exponent
atomic number
51
a symbiotic relationship in which both organisms benefit
parasitism
symbiosis
mutualism
commensalism
52
a pathogen that consists of a microscopic core of genetic material surrounded by a protein coat
bacteria
fungi
infection
virus
53
the careful use and management of natural resources
conservation
biotechnology
limiting factor
transpiration
54
a tiny part of a chromosome that helps determine a particular trait
chromosome
DNA
cell
gene
55
a particle with no change, found in the nucleus of an atom
neutron
proton
nucleus
electron
56
a pure substance that forms when two or more elements join chemically
element
compound
substance
mixture
57
a change in the genetic material of an organism
mutuation
adaptation
cloning
DNA
58
a disease that can be passed from one organism to another
pandemic
infectious
epidemic
fungal
59
a living thing
parasite
organelle
organism
nutrients
60
a process by which elements and compounds combine to form new substances
chemical symbol
chemical reaction
chemical equation
chemical formula
61
the process by which a species of organisms change over time
deforestation
filtration
competition
evolution
62
A rigid structure that surrounds the cell membrane in plant cells and in some other organisms
cytoplasm
mitochondria
cell membrane
cell wall
63
differences that exist naturally among members of a population or species
adaptations
evolution
variations
natural selection
64
organism such as a mushroom, yeast, or mold
fungus
parasite
bacteria
algae
65
a code, usually made up of one or two letters, used to represent an element
chemical letters
chemical formula
chemical code
chemical symbol
66
rock that forms when existing rock is exposed to high heat or pressure or both
foliated
igneous
sedimentary
metamorphic
67
a classification group made up of similar orders
genus
class
kingdom
order
68
a feeding level in an ecosystem
consumer
community
producer
trophic level
69
a negatively charged subatomic particle that is located outside the nucleus of an atom
proton
nucleus
proton
electron
70
rock that forms from compacted sediment
sedimentary
metamorphic
the rock cycle
igneous
71
The thin, flexible outer covering of a cell that controls which materials enter and leave
Cell shield
Cell membrane
Cell cytoplasm
Cell wall
72
an organism whose cells lack a nucleus and organelles enclosed by membranes
eukaryote
plant cell
prokaryote
human cell
73
an organism's surroundings
community
species
population
environment
74
the place where an organism lives
ecosystem
host
habitat
environment
75
a device that gathers sunlight and reflects it onto fluid-filled pipes
solar reflector
solar energy
photovoltaic cell
solar battery
76
a rock that forms when melted rock cools and hardens
foliated
igneous
sedimentary
metamorphic
77
a division of an eon on the geologic time scale
period
epoch
era
holocene
78
in a solution, the substance that dissolves
solvent
mixture
solute
molecule
79
the following practices that protect Earth's resources
protection
solar energy
stewardship
renewable energy
80
the form of cell division that produces gametes
mitosis
meiosis
zygote
asexual reproduction
81
a technique that produces an organism that is an exact genetic copy of another
decomposition
conservation
cloning
asexual reproduction
82
the dropping of pieces of weathered rock, carried by water, wind, or ice
deposition
composition
denitrification
condensation
83
a process used to separate the parts of a mixture by particle size
sifting
shake
evaporation
saltwater
84
the human body system that gathers and responds to information about the environment
digestive system
circulatory system
nervous system
respiratory system
85
the release of an unwanted substance into the environment
pollution
biotechnology
microbiotechnology
geothermal
86
the energy of the moving particles that make up all matter
kinetic energy
thermal energy
potential energy
chemical energy
87
an organism's role in its environment
ecosystem
habitat
niche
environment
88
the science of classifying organisms
natural selection
evolution
genetic variation
taxonomy
89
the outer layer of the lithosphere
inner core
mantle
outer core
crust
90
the process by which gas changes to liquid
melting
evaporation
transpiration
condensation
91
A horizontal row in the periodic table
column
family
period
group
92
a process that breaks down rock into smaller pieces
deposition
weathering
erosion
sedimentation
93
an element that does not conduct heat or electricity well and is dull/brittle and gaseous
metal
nonmetal
metalloid
noble gas
94
the center of an atom, containing protons and neutrons
electrons
ions
molecules
nucleus
95
a microorganism that causes disease
mitochondria
proton
pathogen
niche
96
process that converts nitrogen in atmosphere into compounds in soil that make it useful
nitrogen fixation
carbon cycle
nitrogen cycle
denitrification
97
all the water found on, above, and under Earth's surface
hydropower
the water cycle
hydrosphere
geothermal
98
a measure of atom's mass, equal to the number of protons and neutrons in an atom's nucleus
Atomic element
Atomic number
Atomic symbol
Atomic mass
99
to make living things of the same kind
mitosis
reproduce
cell division
meiosis
100
Basic building block of matter, smallest part of element that retains its properties
Neutron
Atom
Cell
Proton
101
pollution that comes from many places or an unidentified source
point source
non-point source
102
a method for separating solids from liquids in a solution
filitration
evaporation
freshwater
sedimentation
103
water that flows over the land without sinking into the group
ocean basin
salinity
drainage
runoff
104
a number that tells how many atoms of each element are in a molecule
atomic mass
subscript
coefficient
atomic number
105
the folding of rock upward due to stress between converging plates
faults
uplift
volcanoes
igneous rock
106
The system of unique, two part names for organisms
classification
binomial nomenclature
scientific name
taxonomy
107
a member of kingdom Protista which includes one-celled and many-celled organisms
protist
rocks
domains
bacteria
108
The fluid that fills most of the space in the cell
water
saltwater
chloroplast
cytoplasm
109
all living/nonliving parts of an environment as well as the interactions among them
abiotic
ecosystem
population
community
110
Reproduction that involves only one parents and produces genetically identical offspring
Asexual reproduction
Miosis
Sexual reproduction
Mitosis
111
a large molecule containing the genetic information that determines an organism's traits
DNA
cells
mitochrondria
cell membrane
112
the ability of one substance to dissolve into another; the amount of solute that can dissolve
salinity
solution
solubility
mixture
113
an organism whose cells contain a nucleus and organelles enclosed by membranes
eukaryotes
prokaryotes
bacteria
sikaryotes
114
A rock layer that collects and stores water
Impermeable layer
Groundwater
Aquifer
Permeable Layer
115
A force that holds atoms together in molecules
chemical bond
chemical glue
charge
electricity
116
an organism that lives in or on another organism and benefits at the other organism's expensive
fungi
bacteria
host
parasite
117
The number of protons in the nucleus of an atom
Atomic protons
Atomic mass
Atomic number
Atomic symbol
118
the permanent dying out of a species or larger group of organisms
evaporation
extinction
adaptations
competition
119
the tendency of a substance to undergo chemical changes
electron negativity
solubility
reactivity
salinity
120
the human body system that carries oxygen and food to cells and CO2 and waste away from cells
respiratory system
circulatory system
digestive system
nervous system
121
the preserved remains or evidence of an organism that lived in a past age
igneous rocks
sedimentation
metamorphic rocks
fossil
122
human body system that takes in oxygen from the air and passes it to circulatory system
salinity system
respiratory system
nervous system
digestive system
123
a living part of an ecosystem
eco factor
limiting factor
biotic factor
abiotic factor
124
the place where two tectonic plates meet
ridge
plate boundary
earthquake
volcano
125
no longer found living on Earth
biotic factor
extinct
abiotic factor
community
126
a structure in the nucleus of a cell that contains cell's genetic material
chromosome
cell membraine
cytoplasm
mitochondria
127
the study of earth's history, processes, and structures
ecology
geography
biology
geology
128
the human body system that takes in food and breaks it down to be used by cells
ecosystem
circulatory system
digestive system
nervous system
129
matter made up of two or more substances that are not joined chemical
element
mixture
substance
bonded
130
A drug that kills bacteria or slows their growth (used for infections)
Vaccine
Injection
Antibiotics
Antifungal
131
energy that travels in the form of waves, through matter or through space
electromagnetic energy
magnetic energy
chemical energy
electrical energy
132
an animal that is hunted by other animals for food
predator
prey
domain
resource
133
a specialized cell (sperm or egg) used for reproduction
cell membrane
cytoplasm
gamete
nucleus
134
a relationship in which one animal hunts, kills, and eats another
cooperation
competition
prey
predation
135
part of Earth's surface that is covered by ocean water
surface water
rivers
ocean basin
lakes
136
A description of a chemical reaction using chemical formulas, subscripts, and coefficients
chemical formula
chemical problem
chemical equation
chemical energy
137
a break or crack in Earth's surface along which movement occurs
valley
volcano
intrusion
fault
138
a cell organelle that stores water, proteins, and carbohydrates
mitochondria
nucleus
vacuole
cytoplasm
139
the age of a rock or fossil described in comparison to that of another rock or fossil
relative age
true age
radioactive age
absolute age
140
an organism that transports a disease
bacteria
vaccine
parasite
vector
141
the energy of moving air
geothermal energy
hydropower
wind energy
solar energy
142
a network of interconnected food chains
food chain
food sink
food pyramid
food web
143
an area of land that drains into a stream, river, lake, or other body of water
hydropower
wet land
watershed
water cycle
144
a block of time on the geologic time scale which unique rock layers were laid down
eon
period
superposition
era
145
The basic unit of structure and function in all living things
Electron
Cell
Membrane
Atom
146
a device that can change light energy into electricity; also called a solar cell
microbiology
photovoltaic cell
solar fan
geothermal
147
scientists look at these to learn about past gases
ice cores
fossils
pollen samples
rocks
148
a positively charged particle found in the nucleus of an atom
proton
electron
ion
neutron
149
Any material from living things that can be used as an energy source
biomass
geothermal
hydropower
solar
150
The two domains of prokaryotes
Bacteria and protists
Archaea and fungi
Archaea and bacteria
Fungi and trees
151
a vertical column in the periodic table; also know as a family
period
characteristic
row
group
152
the movement of cold, nutrient rich water from deep layers in the ocean up to the surface
upwelling
tides
wave pool
ocean currents
153
water that falls to Earth's surface in the form of rain, sleet, hail, or snow
evaporation
runoff
precipitation
transpiration
154
A trait that helps an organism survive in a particular environment
homologous structure
adaptation
vestigial structure
physical characterisitic
155
an organism that gets energy by breaking down dead organisms and wastes of living things
decomposer
producer
autotroph
consumer
156
an underwater mountain range that forms where ocean plates move apart
valley
igneous
rift
mid-ocean ridge
157
harmful to the body
toxic
respiratory
nervous
digestive
158
the conversion of nitrates and other compounds containing nitrogen into nitrogen gas
denitrification
decarbonism
nitrogen fixation
carbon fixation
159
the energy of moving objects
chemical energy
electrical energy
mechanical energy
electromagnetic energy
160
melted rock that reaches the earth's surface
igneous
magma
metamorphic
lava
161
the energy that is stored in chemical bonds
chemical energy
bond energy
kinetic energy
potential energy
162
the largest group in the biological classification system
species
kingdom
domain
genus
163
a place where freshwater from a river mixes with salt water from the ocean
salinity
estuary
riverbed
wetland
164
large structure in a cell that controls many of its functions and contains its genetic material
nucelus
mitochondria
ribosomes
cytoplasm
165
the actual age of a rock or fossil, or how long ago it formed
relative age
absolute age
approximate age
radioactive age
166
one of the large sections into which the lithosphere is broken
tectonic plate
volcano
faults
continents
167
an organism that does make its own food an gets energy from other organism
producer
autotroph
decomposer
consumer
168
a group of organisms that share most characteristics and can produce fertile offspring
class
community
species
ecosystem
169
a change in a substance that does not change the chemical makeup of the substance
chemical change
physical reaction
chemical reaction
physical change
170
a substance that is present at the beginning of a chemical reaction
reactant
transpiration
product
solute
171
an element that conducts heat/electricity well, is shiny, and can be hammered into sheets/wires
noble gases
metalloid
metal
non-metal
172
matter that has the same chemical composition throughout and cannot be separated
salt
compound
mixture
pure substance
173
melted rock beneath the earth's surface
metamorphic
lava
igneous
magma
174
a classification domain made up of organisms whose cells have organized nuclei
Fungi
Bacteria
Eukarya
Prokaryotes
175
new ocean floor from melted rock that comes up from the mantle and flows into separated plates
crack in the earth's crust
formation of a fault
volcanic activity
sea floor spreading
176
A helpful interaction among organisms living in limited area that aids each organism's survival
cooperation
coexistence
mutualism
symbiosis
177
a technology that changes the genetic material of a living organism
genetic modification
biotechnology
fossil fuels
cloning
178
The manipulation of living things to make useful products
geothermal
biomass
macrotechnology
biotechnology
179
the saltiness of a body of water
dissolved oxygen
turbidity
salinity
solubility
180
an interaction that occurs when organisms try to get the same resources
cooperation
coexistence
conservation
competition
181
a timeline that organizes major events in Earth;s history
geologic time scale
the rock cycle
cellular respiration
taxonomy
182
an early stage in the development of an organism
embryo
larva
toddler
baby
183
the process in which dead organisms are broken down
decomposition
photosynthes
transpiration
chemosynthesis
184
in a substance, the substance that does the dissolving
compound
ion
solute
solvent
185
the energy of moving electric charges
negative energy
chemical energy
potential energy
electrical energy
186
a mixture in which substances are evenly distrubuted
substance
homogenous
pure
heterogenous
187
an organism that makes its own food; an autotroph
decomposer
producer
heterotroph
consumer
188
One-celled prokaryotes, some of which can cause disease
algae
infection
bacteria
fungi
189
A change that results in the formation of a new substance or substances
chemical change
melting
dissolving
physical change
190
Parts of different organisms that perform similar functions but don't have similar structures
Homologous structures
Partial structures
Vestigial structures
Analogous structures
191
a substance that an organism needs to carry out life functions
nutrients
macromolecules
glucose
organelle
192
an outbreak of a disease that affects many people in an area
epidemic
influenza
pandemic
the common cold
193
a symbiotic relationship where one organisms benefits and the other is unaffected
commensalism
mutualism
parasitism
cooperation
194
characteristic of a substance that can't be observed w/o changing the identity of the substance
chemical energy
chemical symbol
chemical property
chemical atoms
195
the ability to make things move or change
erosion
magic
energy
conservation
196
a device that stores electrical energy produce by a solar cell during the day
photovoltaic
solar energy
geothermal
solar battery
197
one of the basic substances that combine to form other substances, cannot be broken down
elements
molecules
substances
mixtures
198
process which rock layers are squeezed together and upward, forming a ripple in Earth's crust
sedimentation
magma cooling
folding
erosion
199
a source of energy formed from the the remains of organisms that lived millions of years ago
fossil fuel
geothermal
renewable resources
biomass
200
an orgamism that does not make its own food and gets energy from other organisms
producer
heterotroph
decomposer
autotroph
201
the process by which organisms that are best suited to a environment survive and reproduce
adaptations
natural selection
meiosis
evolution
202
organelles that release energy from glucose in a cell
chloroplast
cytoplasm
mitochondria
nucleus
203
movement of nitrogen among living organisms, the air, and the ground
nitrogen cycle
water cycle
oxygen cycle
carbon cycle
204
a living thing that cannot be seen without a microscope
nitrogen
algae
microorganism
phylum
205
the process in which water vapor is released into the air from the leaves of plants
transpiration
evaporation
plantation
runoff
206
An organism that makes it own food; a producer
consumer
omnivore
autotroph
heterotrophs
207
parts of different organisms that have a similar structure but not similar function
analogous
specialized
homologous
vestigial
208
the study of microscopic organisms
biotechology
geology
macrobiology
microbiology
209
a cell formed as a result of fertilization
gamete
mitochondria
zygote
meiosis
210
a symbiotic relationship relationship in which one organism benefits and the other is harmed
commensalism
mutualism
parasitism
symbiotic
211
pollution that comes a single, identifiable source
water pollution
air pollution
point source
non point source
212
a source of energy that is used much faster than it can be replaced
geothermal energy
nonrenewable
renewable
solar energy
213
energy from the sun
chemical energy
solar energy
mechanical energy
hydro energy
214
the longest unit on the geologic time scale
period
epoch
era
eon
215
an organelle that makes proteins
mitochondria
cytoplasm
ribosomes
nucleus
216
weathered rock and other materials deposited by water, wind, and ice
erosion
magma
sediment
lava
217
a source of energy that can be replaced as it is used or that cannot be used up
coal
oil
nonrenewable
renewable
218
a taxonomic group made up of related classes
kingdom
domain
phylum
species
219
water located below Earth's surface
groundwater
hydrospehere
aquifer
saline
220
A nonliving part of an ecosystem
biotic factor
abiotic factor
limiting factor
atom
221
a weakened/dead pathogen that causes an organism to develop an immunity against that pathogen
vaccine
epidemic
influenza
pandemic
222
an atom that has lost or gained electrons and has a charge
proton
ion
molecule
neutron
223
organelle found in plant cells that is used during photosynthesis
chloroplast
water
cell wall
sugar
224
the outer part of the earth; made of solid rock
outer core
inner core
lithosphere
crust
225
law that states in sedimentary rock, older rock is beneath younger rock layers
law of conservation of mass
law of rocks
law of superposition
law of foliation
226
the energy of moving water
the water cycle
hydrosphere
geothermal
hydropower