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7th grade science NCFE Review Flashcards | StudBud
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7th grade science NCFE Review
What is evolution?
What is a stamen?
7th grade science NCFE Review
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Review for the 7th grade NCFE.
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1
What is a stamen?
female part of a flower
male part of a flower
Only found in a plant cell
2
What is evolution?
An organism that changes time
The combined sex cell
Change organism over time
3
What is the lowest layer of the atmosphere?
Mesophere
Thermosphere
Loonosphere
4
What is solar energy?
Energy from the moon
Energy from the sun
Electricity from the sun
5
Fill in the blank. A ________ machine is a combination of two or more simple machines.
Compound
Complex
Combo
6
What is Biomass?
Mass that destroys other mass
The total amount of living tissue in a area
The biodiversity of mass
7
What is fluid friction?
a friction force that opposes an object moving through fluid
friction that occurs when a solid object slides over another
friction that occurs when an object rolls over a surface
8
What is the troposphere?
Meteors burn up
bottom layer of the atmosphere
2nd layer of the atmosphere
9
What is the base that pairs with cytosine in DNA?
Guanine
Thaimine
Adenine
10
What is weather?
The seasonal change in weather patterns
Weather in a location over a long period of time
The current state of the atmosphere
11
What is a omnivore?
A consumer that only eats meat
A consumer that eats both plants and meat
A consumer that only eats plants
12
Who is Gregor Mendel?
found the laws of physics
Father of modern genetics
Person who invented electricity
13
What is a reference point?
Distance of unit per time
An objects' changes is postion
Place/ object used for comparison to see if an object moves
14
What is wind?
When someone blows air
Energy from the sun
Horizontal movement of air
15
What is the Nuclear Membrane?
A membrane that envelopes the Nucleus
A membrane that regulates what leaves and enters the cell
An organelle that gets rid of waste
16
What is resistance force?
The force that moves things on its own
The force that resists movement
The force that helps you move things
17
What is motion?
Distance traveled per unit of time
An objects changes in position relative to a reference point
Place/ object used for comparison to see if an object moves
18
What is a lever?
A machine that does nothing
A machine that's a circle with teeth around the outside
A simple machine that has a of a bar that's on a fulcrum
19
What does an anemometer measure?
Wind speed
Wind direction
Air pressure
20
What is the sun in terms of a food web?
The ultimate source of energy
a source of light
something that orbits the earth
21
What is a zygote
The cell formed when sperm and egg meet
a y-linked disorder
an x-linked disorder
22
What is argon gas?
the gas used in a florescent light bulb
The gas used in an oven
The gas that mainly composes the atmosphere
23
What does the nucleus contain?
Water
Blood
DNA
24
What is a secondary consumer
herbivore
organism that eats primary consumers
omnivore
25
Would the car on a roller coaster have more potential energy at the top or bottom of a hill?
Top
Bottom
26
What is a wedge?
A simple machine that gets narrower
A slanted surface
A simple machine that uses a fulcrum
27
Is hemophillia y or x linked?
Y linked
X linked
28
What is a pulley?
center rod joined to wheel
grooved wheel that string goes through
A straight slanted surface
29
what are jet streams
wind
narrow bands of high speed winds
a warm ocean current that flows from the Caribbean northward
30
Which cell organelle has ribosomes on the outside?
Smooth ER
Left ER
Rough ER
31
What does smooth ER not have?
Friends
Molecules
Ribisomes
32
Both plant and animal cells have _________
A cell wall
A cell membrane
A nucleus
33
What do the chloroplasts do in plant cells?
Kills food
Gets rid of waste
Capture energy from the sun
34
What does a battery do?
Store electric energy
Store chemical energy
Power toys
35
What is a tertiary consumer?
member of a tropic ecosystem
something that eats dirt
an organism that eats decomposers
36
What is a warm front?
A front where the air sinks
A front where a warm and a cold air push into each other
A front when the air rises
37
What is a cumulus cloud?
Clouds less than 2 kilometers from the ground
A wispy cloud
A cloud associated with thunderstorms
38
What is the meosphere?
Where meteors burn up
outerlayer of the thermosphere
2nd layer of the atmosphere
39
What is geology?
The study of rocks and the earth
The study of all living things
The scientific study of interactions between organisms
40
Which two organisms contain chloropasts and eyespots?
Amoeba and Volvox
Amoeba and Paramecium
Volvox and Euglena
41
What is heat energy?
A form of electricity that can be related to warmth
A form of energy that can be related to coolness
A form of energy that can be related to warmth
42
What is a wind turbine?
Device that makes the winds kinetic energy into electricity
Something that makes electricity from solar energy
A device that makes electricity form hydro energy
43
What is a primary consumer
omnivore
carnivore
herbivore
44
What is photosynthesis?
Taking photos at the same time
The conversion of energy from the sun into chemical energy
What bears do in the winter
45
What is an allele?
A characteristic that is passed to an organisms' offspring
Different forms of a trait
Segment of DNA that codes for a specific trait
46
What is a heterotroph?
AN organism that makes its own food
An organism that eats other organisms
A consumer that only eats plants
47
What is gravitational potential energy?
energy that is stored
energy stored due to gravity
Energy in use/ motion
48
What is heterozygous?
Different forms of a gene
An organism with two different alleles for a trait
An organism with two identical alleles
49
What is the base that pairs with adenine in DNA?
Thaimine
Guanine
Cytosine
50
What is chemical energy?
Electricity found in pesticides
A form of potential energy
Energy stored in the chemical bonds of molecules
51
Would the car on a roller coaster have more kinetic energy at the top or bottom of a hill?
Bottom
Top
52
What is the Coriolis effect?
The in pressure between higher and lower areas of pressure
A jet stream
Causes the air and water to spin left/right on hemisphere
53
Is azoospermia y or x linked?
X linked
Y linked
54
What is an example of a conductor?
Rubber
Copper
Wood
55
What are stratus clouds?
Another name for a storm
clouds carried by ocean currents
Clouds that form close to the earth
56
What is a wheel and axle?
A straight slanted surface
center rod joined to wheel
grooved wheel that string goes through
57
What is an adaptation?
change in an organism over time
the ability to adapt
Characteristic that improves an individual's ability to live
58
What are the most efficient users of solar energy?
Omnivore
Herbivore
Carnivore
59
What is a herbivore?
Photosynthesis
A consumer of only plants
Destruction of an ecosystem
60
What is the acronym for Deoxyribnucleic acid?
ADN
DNC
DNA
61
What is a pistol?
male part of a flower
female part of a flower
Only found in a plant cell
62
What is an example of fossil fuels?
Gasoline
Coal
Oil
63
What does a complete circuit have?
A path for water
A complete path for a current to flow
A path for electricity
64
Which of the following do amoebas have
False feet
Psuedopods
Psuedonyms
65
What is mass?
The amount of matter an object takes up
The weight of an object
Anything that takes up space
66
What is heredity?
Passing of traits from offspring to parents
Study of genes
Passing of traits from parents to offspring
67
What is a gene?
Segment of DNA that codes for a specific trait
A characteristic that is passed to an organisms' offspring
Different forms of a trait
68
What is nuclear energy?
The thing that is released when nukes are dropped
Potential energy stored in the nucleus of an atom
Potential energy stored in the nucleus of an atom
69
What is speed?
An objects' changes is postion
Place/ object used for comparison to see if an object moves
Distance traveled per unit of time
70
What is a trait?
Different forms of a trait
A characteristic that is passed to an organisms' offspring
Segment of DNA that codes for a specific trait
71
What is air quality?
The amount of air
The measure of ozone and other particles in the air
The amount of smog in the air
72
What is a cell wall?
The thing separating cells in a prison
An organelle in animal cells that protects the cell
An organelle only in plant cells that protects the cell
73
What is chemical energy?
Energy in use/ motion
energy that is stored
energy stored in chemical bonds
74
What is a Carnivore?
A consumer that only eats meat
A consumer that eats both plants and meat
A consumer that only eats plants
75
What is oxidation?
When oxygen combines with nitrogen
Chemical reaction when oxygen and another substance combine
When oxygen disappears
76
What is a Producer?
An organism that produces food
An organism that eats living producers or other consumers
An organism that decomposes dead organisms
77
What is climate?
The current state of the atmosphere
The seasonal change in weather patterns
Weather in a location over a long period of time
78
Why does the Troposphere experience most of the atmospheric pressure?
It has the highest temperatures
It produces ozone
It has a high concentration of gas particles
79
What is rolling friction?
friction that occurs when an object rolls over a surface
a friction force that opposes an object moving through fluid
friction that occurs when a solid object slides over another
80
What is high pressure?
A mass of rising cool air that usually brings bad weather
A mass of sinking cool air that usually brings fair weather
A mass of rising warm air that usually brings fair weather
81
What is a consumer?
An organism that eats living producers or other consumers
An organism that decomposes
An organism that produces food
82
What do only plant cells have?
Cell wall
Cell membrane
Chloroplasts
83
What is a decomposer?
An organism that produces food
An organism that decomposes dead organisms
An organism that eats living producers or other consumers
84
Give an example of natural air pollutants.
Forest fires
Smog
Carbon Monoxide
85
What is an inclined plane?
center rod joined to wheel
grooved wheel that string goes through
A straight slanted surface
86
What is electrical energy?
energy caused by the movement of electrons
Energy cause by motion
energy stored in an object
87
Fill in the blank. __________ is the act of breathing.
Respiration
Resiration
Condensation
88
What is matter?
The weight of an object
Anything that takes up space
The amount of matter an object takes up
89
What is acid rain?
Rain
Rain that contains acid
Acid
90
What is homozygous?
Different forms of a gene
An organism with two different alleles for a trait
An organism with two identical alleles
91
What is kinetic energy?
Energy in use/ motion
energy stored due to gravity
energy that is stored
92
What is embryoology?
Study of organisms
The study of embros
Study of the earth
93
What is a pedigree used for?
To predict the allele composition of offspring
To track disease through family
Predict disease
94
What is precipitation?
Rain
Snow
hail
Any form of water that falls from the sky
95
What is a tertiary consumer?
member of a tropic ecosystem
an organism that eats decomposers
something that eats dirt
96
Animal cells do not have __________
Cell walls
Cell membranes
Chloropasts
97
Why does most rain come from the ocean?
Most transpiration occurs over the ocean
Most evaporation occurs over the ocean
Most condensation occurs over the ocean
98
What does an autotroph do?
Eats autotrophs
convert light energy to chemical energy by photosythesis
Kill non autotrophs
99
What is biology?
The study of rocks
The scientific study of interactions between organisms
The study of all living things
100
What is water vapor?
Water in the form of a solid
Water in the form of a gas
Water in the form of a liquid
101
What is a punnet square used for?
To track disease through family
Predict disease
To predict the allele composition of offspring
102
What is a current?
The push/pull of the ocean
A path for electricity
A movement of electrical charges
103
What is an embryo?
Developing human from fertilazation
Type of multi cell organism
An organism that makes its own food
104
How do simple machines make work easier?
They increase friction
They decrease the amount of force needed
They eliminate the force of gravity
105
What is humidity?
The total of rainfall from one storm
The amount of clouds in the sky
The amount of water vapor in the air
106
What is sliding friction?
friction that occurs when a solid object slides over another
a friction force that opposes an object moving through fluid
friction that occurs when an object rolls over a surface
107
What does the mitochondria do?
Creates food
Moves the cell
convert chemical energy in food
108
What is a herbivore?
A consumer that only eats plants
A consumer that eats both plants and meat
A consumer that only eats meat
109
What is biodiversity?
Ecosystem
Assortment of living things
Many dead organisms
110
What is oxygen?
The gas that is most common in the atmospher
The gas you breath in
The gas expelled from your respratory system
111
What happens to rain before it goes from the clouds to the ground?
Respiration
Transpiration
Condensation
112
What is an electroscope?
A type of battery
An instrument used to measure voltage
A type of compass
An instrument used to detect an electric charge
113
What is carbon dioxide?
The gas expelled from your respratory system
The gas that is most common in the atmospher
The gas you breath in
114
What unit is used to measure air pressure?
Milibars
inches of mercury
milimeters
miles
115
What is ecology?
The study of all living things
The scientific study of interactions between organisms
The study of rocks
116
What is an example of an invasive species?
Deer
Wild boar
Asian carp
Cardinals
117
What is a fulcrum?
The things on the outside of a gear
The support on which a lever pivots
The object that the rope goes through on a pulley
118
What is potential energy?
Energy in use/ motion
energy stored due to gravity
energy that is stored
119
What is air pressure?
How much air weighs
The amount of water vapor in the air
Force of a column of air
120
What is the thermosphere?
2nd layer of the atmosphere
The outermost layer of the atmosphere
Where meteors burn up
