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