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7th Grade Science Final Exam Review

Total questions: 123

Worksheet time: 1hrs 16mins

Name
Class
Date
1.

Which point would best be described as the coastline?

a)

A

b)

B

c)

C

d)

D

2.

Which area would experience the most erosion from waves?

a)

A

b)

B

c)

C

d)

D

3.

The movement of rock and sediment to new places is -

a)

Erosion

b)

Weathering

c)

Deposition

4.

The breaking down of rock into sediment is -

a)

Weathering

b)

Erosion

c)

Deposition

5.

Which of the following factors carves out canyons through the processes of weathering and erosion?

a)

Water

b)

Wind

c)

Roots

d)

Gravity

6.

Sediments being deposited at the mouths of rivers creates -

a)

Deltas

b)

Mid-ocean ridges

c)

Canyons

d)

Craters

7.

Rivers erode sediments and carry them -

a)

Downstream

b)

Upstream

8.

Waves erode and change the shape of -

a)

Coastlines

b)

Canyon walls

c)

Crater rims

d)

Deltas

9.

What will most likely happen to a crater as the rim erodes?

a)

It become deeper

b)

It becomes shallower

c)

It becomes wider

d)

It becomes narrower

10.

The dropping of rock and sediment that changes landforms is called -

a)

Weathering

b)

Erosion

c)

Deposition

11.

Which area would experience the most erosion from waves?

a)

Shipping channel

b)

Coastline

12.

Dunes are mounds of sand that are formed by -

a)

Wind

b)

Warm ocean water

c)

Precipitation such as rain, snow and sleet

d)

Gravity

13.

Which of the following weathers and erodes rock to form wide U-shaped valleys?

a)

Glaciers

b)

Rivers

c)

Waves

d)

Wind

14.

Madison creates the model shown of a stream bed. She wants to demonstrate how natural processes can change the surface of Earth through deposition and erosion. She pours water on her model and makes observations. In which situation will more deposition than erosion occur in Madison's stream bed model?

a)

More deposition will occur if the slope of the stream increases.

b)

More deposition will occur if sediment in the stream decreases.

c)

More deposition will occur if sediment in the stream increases.

d)

More deposition will occur if the speed of the stream water decreases.

15.

Chase noticed after a heavy rainstorm that the loose dirt in his backyard had been moved around, creating channels and mounds. Select two of the processes that took place in Chase's backyard.

a)

compacting

b)

deposition

c)

sedimentation

d)

weathering

e)

erosion

16.

Based on the diagram, structure X is

a)

a delta that is changing due to sediment deposits from ocean currents.

b)

an island that is changing due to the movement of plate boundaries.

c)

a delta that is changing due to sediment deposits from a river.

d)

an island that is changing due to increasing volcanic lava flow.

17.

Natural Bridge Caverns, near San Antonio, TX is a large underground cavern that was created by what?

a)

Indians dug the cave out thousands of years ago and lived there until the Mexican Army captured it and used as a staging area just before going to battle at The Alamo.

b)

wind erosion that created a tunnel effect underground and sped the wind up to a terminal velocity and cut through the rock

c)

water working its way through the Earth's surface and deposited minerals from rock

d)

none of the above

18.

Rivers carry their sediment until reaching the ocean. The faster moving water of the river meets the ocean water and slows down. The slowing down of the river water creates what land feature?

a)

wind forms a delta because there are no trees to stop the wind and wave action is greatest at the mouth of a river

b)

the overpopulation of coral reef in the shallow waters has caused a tremendous stockpile of sediment at the mouth of rivers as they empty into the ocean

c)

none of the these

d)

A delta forms from the deposition of sediment from the river

e)

all of these

19.

Freeport, Texas, is built on a growing delta at the mouth of the Brazos River. The land on which Freeport is built continues to grow because the Brazos River –

a)

deposits new material on the delta

b)

removes sediments from the delta

c)

moves farther away from the delta

d)

receives fresh water from the delta

20.

When a roller coaster is at the top of a hill it has

a)

high potential energy

b)

high kinetic energy

c)

low potential energy

d)

equal amounts of kinetic and potential energy

21.

When a roller coaster is at the bottom of a hill it has

a)

high potential energy

b)

high kinetic energy

c)

low kinetic energy

d)

equal amounts of kinetic and potential energy

22.

The sum of potential energy and kinetic energy equals the

a)

potential energy

b)

transformation

c)

kinetic energy

d)

mechanical energy

23.

I am holding a balloon that is full of air, the balloon has

a)

kinetic energy

b)

potential energy

24.

I released a balloon that was full of air and it is flying around the room, the balloon has

a)

kinetic energy

b)

potential energy

25.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
26.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
27.
__________ is stored energy. 
a)
Potential
b)
Kinetic
c)
None of the above 
d)
All of the above 
28.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
29.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
30.

Which point has the most potential energy?

a)

A

b)

B

c)

D

d)

F

31.

True/False: Because energy cannot be created or destroyed, when an object’s kinetic energy increases, its potential energy must decrease!

a)

True

b)

False

32.

Check the boxes of the words associated with KINETIC ENERGY.

a)

Run

b)

Motion

c)

Stored

d)

Swimming

33.

Which is the best example that something has kinetic energy?

a)

a car parked on a steep hill

b)

a tennis ball rolling across the court

c)

a picture hanging on the wall

d)

an apple resting on the table above the ground

34.

Which point has the most kinetic energy?

a)

A

b)

B

c)

D

d)

F

35.

Which point has the least potential energy?

a)

A

b)

B

c)

D

d)

F

36.

Which point has the least kinetic energy?

a)

A

b)

B

c)

D

d)

F

37.
In which direction is Mill River flowing?
a)
Southeast
b)
Southwest
c)
Northeast
d)
Northwest
38.
What is the elevation of Y?
a)
Between 120-140 meters
b)
Between 100-120 meters
c)
Between 140-160 meters
d)
Between 80-100 meters
39.
What is the highest elevation on this map?
a)
Over 320 meters
b)
Over 450 meters
c)
Over 220 meters
d)
Over 380 meters
40.
What is the elevation of the peak of the small island on the left side?
a)
About 20 meters
b)
About 40 meters
c)
About 60 meters
d)
About 200 meters
41.
What feature is formed at B?
a)
river
b)
rift valley
c)
sink hole
d)
mountain
42.
Which side of Holland Hill is the steepest?
a)
North
b)
South
c)
East 
d)
West
43.
If we were in a plane, Path B --> C is about the same distance as path E --> N. But, which path is the easier walk? 
a)
B --> C is the easier walk
b)
E --> N is the easier walk
c)
B --> C and E --> N are the same walking distance
44.
What feature is at the arrow?
a)
volcano
b)
mountain
c)
cliff
d)
river
45.
Which topographic map matches formation C?
a)
1
b)
2
c)
3
d)
4
46.
If contour lines are close together, then the slope is
a)
gentle
b)
steep
c)
flat
d)
going up and down
47.
On a topographic map of a mountain, you walk a longer distance to get to the top when the contour lines are
a)
spread out
b)
close together
c)
going down
d)
going up
48.
Which events describe slow changes to earth's surface?
a)
volcanoes
b)
earthquakes
c)
landslides
d)
chemical weathering
49.
Which events are rapid, or fast, changes to earth's surface?
a)
tree roots
b)
freezing water
c)
flash floods
d)
chemical weathering
50.
The height above sea level is called
a)
topographic
b)
contour
c)
elevation
d)
depth
51.

This diagram below represents a process that occurs in nature. This diagram can be used to illustrate the-

a)

effects of reduced competition between different types of plant life.

b)

effect of human intervention on a stable ecosystem

c)

ecological succession from bare rock to stable ecosystem

d)

evolution of mosses to trees over 200 years

52.

Lichens and mosses are the first organisms to grow in an area. Over time, grasses and shrubs will

grow where these organisms have been. The grasses and shrubs are able to grow in the area

because the lichens and mosses

a)

synthesize food needed by producers in the area

b)

are at the beginning of every food chain in a community

c)

make the environment suitable for complex plants

d)

provide the enzymes needed for plant growth

53.

Which of the following shows the correct order of stages in the primary succession of a dry land

environment?

a)

soil, shrubs, hardwoods, pines

b)

rock, grasses, hardwoods, shrubs

c)

shrubs, mosses, pines, grasses

d)

rock, lichen, mosses, grasses

54.

Which sequence represents a correct order of succession that would involve these stages?

a)

2,3,1,4,5

b)

2,1,3,5,4

c)

3,1,2,4,5

d)

3,2,1,5,4

55.

The lichens and mosses can be classified as

a)

pioneer species

b)

abiotic factors

c)

climax community

d)

a population

56.

A slab of bare rock is covered with lichens. In time, mosses cover the rock, followed by grasses,

and finally by small shrubs and tree saplings. In this example, the lichens represent

a)

climax comunity

b)

a dominant species

c)

secondary consumers

d)

pioneer species

57.

Which concept is best represented in the diagram below?

a)

random mutations

b)

ecological succession

c)

genetic engineering

d)

direct harvesting

58.

Changes in an ecosystem over a long period of time are shown in the diagram below. These changes will most likely lead to a

a)

stable ecosystem that can last for many years

b)

loss of heterotrophs that cannot be recovered

c)

long-term rise in environmental temperatures

d)

forest consisting of only producers and decomposers

59.

A fire burns an oak forest down to bare ground. Over the next 150 years, if the climate remains

constant, this area will most likely

a)

remain bare land indefinitely

b)

develop into a desert area

c)

develop into an entirely different type of forest after hundreds of years

d)

recover through gradual changes back to a point of long-term stability

60.

Over a long period of time, the stages represented in the diagram below were each present in a

particular ecosystem. After a forest fire, what is the most likely order in which these stages appeared?

a)

D, C, A, B

b)

B, D, C, A

c)

A, B, C, D

d)

B, C, D, A

61.

The diagram below represents the various stages of ecological succession in Texas. If the ecosystem is not altered, which stage would be the most stable?

a)

grass

b)

shrub

c)

pine forest

d)

hardwood forest

62.

Which statement best describes one of the stages represented in the diagram below?

a)

The mature forest will most likely be stable over a long period of time.

b)

If all the weeds and grasses are destroyed, the number of carnivores will increase.

c)

As the population of the shrubs increases, it will be held in check by the mature forest community.

d)

The young forest community will invade and take over the mature forest community.

63.

Which concept is represented in the graph below?

a)

ecological succession in a community

b)

cycling of carbon and nitrogen in a forest

c)

energy flow in a food chain over time

d)

negative human impact on the environment

64.
What is the difference between biotic and abiotic?
a)
Biotic are non-living things
b)
Abiotic are living organisms
c)
Biotic is life,
Abiotic is non-living
d)
Biotic is non-living, Abiotic is living
65.
 Which biome is more likely to survive a change in the environment?
a)
High (rich) biodiversity
b)
Low (poor) biodiversity
66.
What does biodiversity mean?
a)
Only one species in an area.
b)
The different amount of species in an area
c)
All abiotic life
d)
Nitrogen fixation
67.
If there is more food than usual in an ecosystem, then the population will mostly likely...
a)
stay the same
b)
decrease
c)
increase
68.
What happened to the wolf population between 1980 and 1982?
a)
it increased rapidly
b)
it decreased rapidly
69.

True or false: An ecosystem with high genetic diversity is healthier than an ecosystem with low genetic diversity.

a)

True

b)

False

70.

Smashing cookies

a)

Physical

b)

Chemical

71.

Frying eggs

a)

Physical

b)

Chemical

72.

Slicing apples

a)

Physical

b)

Chemical

73.

Baking a cake

a)

Physical

b)

Chemical

74.

A firework display

a)

Physical

b)

Chemical

75.

Food digestion

a)

Physical

b)

Chemical

76.

The water cycle

a)

Physical

b)

Chemical

77.

Melting butter

a)

Physical

b)

Chemical

78.

Burning wood

a)

Physical

b)

Chemical

79.

Getting a haircut

a)

Physical

b)

Chemical

80.

Chopping food

a)

Physical

b)

Chemical

81.

Mixing Mentos and Coke

a)

Physical

b)

Chemical

82.

Making popcorn

a)

Physical

b)

Chemical

83.

Smashing a can

a)

Physical

b)

Chemical

84.

A bike rusts

a)

Physical

b)

Chemical

85.

This is a type of change in which matter remains the same.

a)

Physical

b)

Chemical

86.

This is a change in which matter changes to a different type.

a)

Physical

b)

Chemical

87.

What is the primary function of the body system in this picture?

a)

Distribute water, oxygen, and nutrients to the body's cells

b)

Absorbs oxygen gas and releases carbon dioxide gas from the body

c)

Breaks down food and absorbs nutrients

d)

Controls the body and monitors the environment through the 5 senses

88.

What is the primary function of the body system in this picture?

a)

Distributes water, oxygen, and nutrients to the body’s cells

b)

Absorbs oxygen gas and releases carbon dioxide gas from the body

c)

Breaks down food and absorbs nutrients

d)

Controls the body and monitors the environment through the 5 senses

89.

What is the primary function of the body system in this picture?

a)

Distributes water, oxygen, and nutrients to the body’s cells

b)

Absorbs oxygen gas and releases carbon dioxide gas from the body

c)

Controls the body and monitors the environment through the 5 senses

d)

Breaks down food and absorbs nutrients

90.

What is the primary function of the body system in this picture?

a)

Controls the body and monitors the environment through the 5 senses

b)

Produces the body’s hormones that control growth and metabolism

c)

Distributes water, oxygen, and nutrients to the body’s cells

d)

Protects the body from infections; produces white blood cells and antibodies

91.

What is the primary function of the body system in this picture?

a)

Provides structure and support and protects internal organs. Marrow produces blood cells

b)

Responsible for all of the body’s movements

c)

Produces the body’s hormones that control growth and metabolism

d)

a protective barrier that helps to regulate temperature and prevent dehydration

92.

What is the primary function of the body system in this picture?

a)

Removes waste from the body in the form of urine & feces

b)

Controls the body and monitors the environment through the 5 senses

c)

Responsible for all of the body’s movements

d)

Provides structure and support and protects internal organs; marrow produces blood cells.

93.

What is the primary function of the body system in this picture?

a)

Produces the body’s hormones that control growth and metabolism

b)

Protects the body from infections; produces white blood cells and antibodies

c)

Removes waste from the body in the form of urine & feces

d)

Absorbs oxygen gas and releases carbon dioxide gas from the body

94.

What is the primary function of the body system in this picture?

a)

Protects the body from infections; produces white blood cells and antibodies

b)

Produces the body’s hormones that control growth and metabolism

c)

A protective barrier that helps to regulate temperature and prevent dehydration

d)

Provides structure and support and protects internal organs. Marrow produces blood cells

95.

What is the primary function of the body system in this picture?

a)

Removes waste from the body in the form of urine & feces

b)

Breaks down food and absorbs nutrients

c)

Distributes water, oxygen, and nutrients to the body’s cells

d)

Protects the body from infections; produces white blood cells and antibodies

96.
Which of the following body systems work together for support, protection, and movement?
a)
respiratory and cardiovascular
b)
skeletal and muscular
c)
skeletal and integumentary
d)
digestive and respiratory
97.
This system includes the spinal cord, brain and nerves
a)
Nervous System
b)
Digestive System
c)
Circulatory System
98.
Which body system is a collection of glands that secrete different types of hormones that regulate metabolism, growth and development, sleep, and reproduction?
a)
Excretory System
b)
Endocrine System
c)
Skeletal System
d)
Digestive System
99.
The __________ system directs the body to inner and outer changes.
a)
digestive
b)
circulatory
c)
nervous
d)
skeletal
100.

The nucleus of a cell controls all the cell functions. What body system does the same job in humans?

a)

Nervous System

b)

Skeletal System

c)

Digestive System

d)

Muscular System

101.
The model shows an area near a lake. Community leaders are planning new laws to help protect the lake from pollution. One proposed law will make it illegal to dump trash on the shore of the lake, but the law still allows trash to be placed in the area labeled "Flow-through" wetland." Which statement about the proposed law is supported by the model?
a)
The proposed law will protect the lake because plant roots between the wetland and the lake will stop pollution from entering the lake.
b)
The proposed law will not protect the lake because animals that live in or new the lake will add pollution to the lake.
c)
The proposed law will not protect the lake because groundwater will carry pollution from the wetland directly into the lake.
d)
The proposed law will protect the lake because the high elevation of the water table will block pollution from entering the lake.
102.
A student's model of an area new a city depicts many activities that affect the quality of the water in the area. How does the agricultural activity most likely affect the surface water of the area?
a)
Excess crop fertilizer is carried by runoff into the river, causing excess growth of water plants.
b)
Excess crop material accumulates on the riverbanks, slowing the movement of the river water
c)
Crops reduce erosion, increasing the amount of soil entering the river
d)
Crops absorb pure water from soil, causing the remaining water to contain more salt.
103.
A student drew the model to represent a part of a watershed and some human activities that affect the watershed. How do the industrial, agricultural, and residential activities of humans most likely affect the groundwater in the area?
a)
The activities prevent most of the water from evaporating into the atmosphere
b)
Pollutants from the activities percolate through the soil and enter the water table
c)
The activities replace the groundwater used.
d)
All of the above
104.
A student sets up the investigation show below. The movement of colored water through the gravel best models-
a)
condensation of water vapor
b)
surface runoff of precipitation
c)
conservation of water
d)
pollution of groundwater
105.

Farmers can best reduce negative effects on the water quality of nearby streams and lakes by planting crops that

a)

produce less oxygen

b)

produce less carbon dioxide

c)

need less fertilizer

d)

need less solar energy

106.
Mechanical energy
a)
energy built up before being in motion
b)
energy released in a chemical reaction
c)
energy of motion
d)
sum of kinetic and potential energy
107.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
108.
What is energy changing from one form to another?
a)
energy conservation
b)
energy transformation
c)
energy creation
d)
mechanical energy
109.
what type of energy is stored in a battery?
a)
electrical
b)
chemical
c)
thermal
d)
mechanical
110.
When you eat pizza, Chemical Energy is transferred to _____ Energy.
a)
Solar
b)
Electrical
c)
Mechanical
d)
Chemical
111.
Solar Energy is transferred to _____ Energy.
a)
Mechanical
b)
Solar
c)
Sound
d)
Electrical
112.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
113.
Mechanical Energy is transferred to _____ Energy.
a)
Solar
b)
Mechanical
c)
Electrical
d)
Potential
114.
The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —
a)
solar
b)
light
c)
thermal
d)
mechanical
115.
Electrical -> Mechanical -> Sound 
a)
A triple beam balance measuring an object’s mass
b)
A pencil sharpener plugged into a wall outlet
c)
A projector displaying a diagram on the screen
d)
A working flashlight used to light up a dark corner
116.
Energy you get from eating an apple
a)
nuclear energy
b)
electromagnetic energy
c)
sound energy
d)
chemical energy
117.
What energy is given off when a cell phone rings?
a)
Sound Energy
b)
Gravitational Energy
c)
Thermal Energy
d)
Nuclear Energy
118.
Which energy transformation occurs in a toaster?
a)
chemical to electric
b)
electric to thermal
c)
kinetic to chemical
d)
thermal to potential
119.
Can you create energy?
a)
Yes
b)
No
120.
Can you destroy energy?
a)
Yes
b)
No
121.
Making a Fruit Smoothie is YUMMY!
Plug a Blender into the wall outlet, and you're ready to go. 
Which choice below BEST shows the energy transformation of making a smoothie?
a)
Electrical to Kinetic
b)
Electrical to Chemical
c)
Mechanical to Sound
d)
Kinetic to Thermal
122.
A hot air balloon has the following energy transformations__________.
a)
Thermal-Chemical-Electrical
b)
Chemical-thermal-mechanical 
c)
Thermal-Mechanical 
d)
Thermal-Chemical
123.
Mr. Huff's students are complaining that it is hot in the classroom. He plugs in a fan and turns it on, what energy transformation now occurs?
a)
mechanical to electrical
b)
electrical to mechanical
c)
chemical to mechanical
d)
electromagnetic to mechanical

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