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8th Grade Science EOG Vocab Review Flashcards | StudBud
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8th Grade Science EOG Vocab Review
8th Grade Science EOG Vocab Review
45 terms
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science vocabulary terms fro 8th grade science in North Carolina
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1
the highest level of groundwater
watertable
igneous rock
watershed
impermeable rock
2
A rock layer that collects and stores water
watershed
well
aquifer
estuary
3
place where fresh and salt water meet. Nursery of the sea- has lots of shelter and nutrients
intertidal
estuary
aquifer
watershed
4
homologous structure
organisms that have parasites
logical conclusion of events
similar structure, but not similar function
metaphor
5
The ability of a material to be hammered or rolled into sheets
luster
malleability
magnetism
metal
6
the basic building block of the matter around us. Smallest particle of an element
atom
electron
element
upwelling
7
Classification
systematic grouping of organisms by shared characteristics
method of transformation of energy
the way organisms interact
groups in the periodic table
8
decomposer
gets energy by breaking down dead organisms
recycles the suns energy
consumes living organisms for energy
produces energy for others
9
change that results in the formation of a new substane
physical change
substance renewal
chemical change
evolution
10
elements that have some properties of both metals and non metals
metalloid
nonmetal
metal
11
the process by which cells release energy from food
photosynthesis
cell membrane
mitosis
cellular respiration
12
positively charged particle found in the nucleus of an atom
neutron
proton
nucleus
electron
13
organism that doesn't make its own food and gets energy from other organisms
energy
autotroph
consumer
producer
14
Abiotic factor
living part of an ecosystem
the basic structure of an ecosystem
nonliving part of an ecosystem
bacterial growth
15
marine plants or animals that live on or near the sea floor
benthos
plakton
nekton
mitochondria
16
a disease that spreads over a large area or throughout the world
epicenter
epidemic
pangea
pandemic
17
Pangea
large landmass where all continents are joined together
Ancient goddess of earth
infectious disease that spreads all over the world
All the water that makes up earth
18
shiny, good conductor of heat & electricity, malleable, magnetic
metalloid
metal
nonmetal
19
fossil that are useful for dating geologic layers because it lived for a short period of time
eon
relative dating
radioactive dating
index fossil
20
any condition that influenced the growth or survival of an organism or species
abiotic factors
poor resources
predator
limiting factor
21
anatomy
atomic bomb chemistry
biotic factors of an environment
structure of organisms
22
substances like coal, oil, and natural gas formed from decomposed organisms millions of yrs ago
hyrdopower
fossil fuel
windmill
renewable energy
23
the flow of energy from one place to another
energy
electricity
energy transfer
digestion
24
division of earth's history into time units based on type of life forms that lived
prehistoric calendar
geologic time scale
history
25
process where organisms that are more fit for an environment survive and reproduce
survival
evolution
darwinism
natural selection
26
plankton
move with the ocean current
live on or near the ocean floor
swim independently of the ocean current
27
fault
the cause of an event
break or crack in Earth's surface along which movement occur
carefully controlled test of a hypothesis
tectonic plates
28
a nonliving pathogen with a core of genetic material surrounded by a protein coating
virus
ebola
parasite
bacteria
29
Half life
a term describing the extinction of the dinosaurs
time it takes half the atom to decay
dying at 50 years old
the time it takes for an animal to reach maturity
30
An interaction that occurs when organisms try to get the same resource
parasitism
coexist
competition
mutualism
31
Salinity
acidic or basic
living indicator
saltiness of a body of water
nitrogen particles found in fertilizer
32
law of superposition
you cannot tell the age of rock layers from their appearence
older rock layers lie beneath younger rock layers
older rock layers lie above younger rock layers
all rock layers are the same age
33
periods
families in the periodic table
horizontal rows in the periodic table
vertical columns in the periodic table
34
disease producing organism
pathogen
fungus
bacteria
virus
35
law of conservation of mass
matter is neither created nor destroyed
reducing energy use helps global warming
energy is always destroyed
energy is always created
36
substance produced when elements chemically combine
mixture
element
compound
pure substance
37
the science of classifying organisms
periodic table
classification
taxonomy
remodel
38
the process by which species of organisms change over time
embryo
alteration
evolution
change
39
age of a rock or fossil described in comparison to that of another rock or fossil
absolute age
relative age
radioactive dating
precambrian
40
living and nonliving things within an area and their relationship to each other
abiotic
biotic
niche
ecosystem
41
pollution that enters the water from large area and cannot be traced to a single location
pollution site contamination
nonpoint source pollution
radioactive decay poisoning
point source pollution
42
Anything that has mass and takes up space
animals
matter
cosmos
people
43
series of organisms in which each feeds on the one at the next lower trophic level
circle of life
chain of energy
trophic level
food chain
44
geothermal energy
energy from the earth's heat
energy from the wind
energy from water
energy from coal
45
movement of cold nutrient rich water to the surface from deep layers
upwelling
mixture
whirlpool
mid ocean ridge
