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