Free Printable 7th Grade Integrated Science Final Exam REVIEW

1.

A student rides his bike a few times a week. He realizes he can go faster on the sidewalk than a rocky path. He thinks it has something to do with the surface and wants to design an experiment to test his hypothesis.
The independent variable will be:

a)

the speed of the rider

b)

the surfaces

c)

how hard the rider pedals

d)

the speed of the wind

2.

A student rides his bike a few times a week. He realizes he can go faster on the sidewalk than a rocky path. He thinks it has something to do with the surface and wants to design an experiment to test his hypothesis.
The dependent (responding) variable is:

a)

the speed of the rider

b)

the type of surface

c)

how hard the rider pedals

d)

the speed of the wind

3.

A student rides his bike a few times a week. He realizes he can go faster on the sidewalk than a rocky path. He thinks it has something to do with the surface and wants to design an experiment to test his hypothesis.
In order to run this experiment what 2 things should he control (keep the same)?

a)

the speed of the wind and the type of surface

b)

the speed of the rider and the speed of the wind

c)

the speed of the rider and how hard the rider pedals

d)

the speed of the wind and how hard the rider pedals

4.

Gathering Information through your senses is

a)

Inferring

b)

Classifying

c)

Observing

d)

Hypothesizing

5.

Which of the following is an OBSERVATION that can be made from the picture?

a)

The birds are happy

b)

The birds are sitting in a tree

c)

The birds are protecting their nests

d)

THe birds are singing a song

6.

What INFERENCE can be made about the picture

a)

The birds are in a tree

b)

The sun is visible

c)

THe birds are getting ready to eat the fruit

d)

The tree is on a hill

7.

The tread on a tire increases the______________between the road and the tire.

a)

friction

b)

sliding

c)

distance

d)

mass

8.

A good hypothesis must be able to be

a)

tested

b)

variable

c)

independent

d)

manipulated

9.

The facts and figures gathered in an experiment are known as

a)

Opinions

b)

Data

c)

Conclusion

d)

Hypothesis

10.

When you increase the angle of a ramp that a car is rolling on the acceleration will

a)

decrease

b)

stay the same

c)

increase

d)

not change

11.

Work is thought of as stored

a)

Weight

b)

Distance

c)

Mass

d)

Energy

12.

Mass and energy are need to increase

a)

potential energy

b)

kinetic energy

c)

work

d)

distance

13.

A simple machine changes

a)

forces

b)

forces and distance

c)

energy

d)

force and energy

14.

Which letter represents the fulcrum?

a)

A

b)

B

c)

C

d)

D

15.

Where is kinetic energy the highest?

a)

1

b)

2

c)

3

d)

4

16.

Where is potential energy the highest?

a)

1

b)

2

c)

3

d)

4

17.

MA= output/input What is the Mechanical Advantage of an input force of 5 Newtons and an output 50 Newtons?

a)

20 Newtons

b)

10 Newtons

c)

5 Newtons

d)

1 Newton

18.

What does recycling do positively for the environment?

a)

Makes solid waste

b)

Produces air pollution

c)

Conserves mineral resources

d)

Harms the ecosystem

19.

Facts, figures and evidence gathered in an experiment

a)

laws

b)

data

c)

ideas

d)

hypothesis

20.

A student gives 4 plants different amounts of sugar to see how tall the plants will grow. What is the Dependent variable?

a)

amount of water

b)

amount of sugar

c)

amount of plants

d)

amount of growth

21.

A pond which includes the water, rocks, frogs, grass, and fish is an example of

a)

biotic

b)

ecosystem

c)

abiotic

d)

community

22.

Why are scavengers important to an ecosystem

a)

they hunt for herbivores

b)

they make their own food

c)

they decay dead organisms which releases energy to environment

d)

they feed on dead animals which helps in recycling environmental materials.

23.

Which factor is NOT recycled in the environment

a)

water

b)

carbon

c)

coal

d)

oxygen

24.

Which level contains the producers/plants?

a)

top

b)

middle

c)

bottom

d)

side

25.

Why should we protect rainforests?

a)

to promote extinction

b)

to protect biodiversity

c)

to use up resources

d)

to make organisms extinct

26.

Which Group is missing from the food web?

a)

Producers

b)

Consumers

c)

Herbivore

d)

Decomposer

27.

What breaks down dead and decayed organisms in the environment and returns nutrients to the ecosystem?

a)

bacteria

b)

plants

c)

rabbits

d)

cows

28.

An environment can only support a certain amount of organisms based on the available resources is known as?

a)

Diversity

b)

Carrying Capacity

c)

Succession

d)

Mutualism

29.

Which one describes an organism adapting to a change in the environment?

a)

a dog barking at cat

b)

a squirrel running in the park

c)

a tree growing tall and strong

d)

a bird migrating south for the winter

30.

If the population of foxes increases what happens to the rabbit population?

a)

nothing

b)

increases

c)

stays the same

d)

decreases

31.

What happens when the peppered moth trees are light in color

a)

the black moths survive

b)

the light moths survive

c)

no moth survives

32.

What resources do trees in a forest compete for?

a)

Hydrogen

b)

Snowfall

c)

Meat

d)

Sunlight

33.

The spotted lantern fly is an example of

a)

native species

b)

invasive (non native) species

c)

mutualism

d)

abiotic factor

34.

The different finch (bird) beaks are an example of

a)

abiotic factor

b)

carrying capacity

c)

limiting factor

d)

natural selection

35.

Threats to ecosystems and biodiversity are (Select all that apply)

a)

pollution

b)

deforestation

c)

overfishing

d)

habitat destruction

36.

Energy in motion is

a)

Kinetic

b)

Potential

37.

Stored energy is

a)

Kinetic

b)

Potential

38.

What is the Newton's Second Law equation?

a)

F=mgh

b)

F=.5mv

c)

F=mass*acceleration

39.

A person steps out of the boat and onto the dock. As the person moves forward onto the dock, the boat moves backward. Which statement best describes the backward motion of the boat as the person steps forward?

a)

For every action there is an equal and opposite reaction.

b)

Every mass exerts a force on every other mass.

c)

An object at rest tends to stay at rest.

d)

Friction opposes the motion of an object.

40.

When a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?

a)

The cannon moving forward

b)

The cannonball moving forward

c)

The cannon moving backward

d)

The cannonball moving backward

41.

What are the units for force?

a)

Kilograms

b)

Isaac's

c)

Newton's

42.

The Law of Conservation of Energy states:

a)

Energy can created or destroyed but not transformed

b)

Energy cannot be created or destroyed, it can only transformed

c)

Energy can't be created, destroyed or transformed

43.

What two factors affect kinetic energy?

a)

mass

b)

speed

c)

height

d)

mass and speed

e)

mass and height

44.

Which law states that an object at rest stays at rest and an object in motion stays in motion unless an unbalanced force acts on it?

a)

1st Law

b)

2nd Law

c)

3rd Law

45.

Henry sees a basketball and decides to put in motion. What kind of force does Henry use to move the ball?

a)

small

b)

balanced

c)

equal

d)

unbalanced

46.

At which point does the ball has the greatest gravitational potential energy (GPE)?

a)

A

b)

G

c)

D

d)

C

e)

G

47.

What kind of energy is in a moving skateboard?

a)

Potential

b)

Kinetic

48.

What kind of energy is in a rock at the edge of a cliff?

a)

Potential

b)

Kinetic

49.

Explain what happens to the potential energy of a rock as it falls off the side of a cliff.

a)

The kinetic energy decreases as the potential energy increases.

b)

The kinetic energy decreases as the potential energy decreases.

c)

The potential energy decreases as the kinetic energy increases.

d)

The potential energy decreases as the kinetic energy decreases.

50.

Why is it harder to stop a four-person rowing team than a three-person rowing team?

a)

The four-person team has less mess and less kinetic energy.

b)

The four-person team has less mass and more kinetic energy.

c)

The four-person team has more mass and more kinetic energy.

d)

The four-person team has more mass and less kinetic energy.

51.

If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?

a)

150 Newtons

b)

15 Newtons

c)

150 kilograms

d)

100 kilograms

52.

A 20 kg bike accelerates at 10 m/s². what was the force?

a)

25 Newtons

b)

20 Newtons

c)

200 Newtons

d)

10 Newtons

53.

A force has both magnitude and _____.

a)

power

b)

direction

c)

color

d)

balance

54.

When Izzy and Zoe pull on the rope with the same amount of force, the forces are _____.

a)

increased

b)

unbalanced

c)

balanced

d)

decreased

55.

Why did Izzy fall when playing tug of war?

a)

he tripped

b)

unbalanced forces

c)

balanced forces

d)

he was pushed

56.

What is the unit to MEASURE force?

a)

Kilogram

b)

Meter

c)

Pounds

d)

Newton

57.

What is the net force?

a)

20 N to the left

b)

0 N

c)

400 N to the right

d)

40 N to the right

58.

What is the carrying capacity of the graph?

a)

1000

b)

8000

c)

800

d)

600

59.

A simple machine is a device that helps to reduce the amount of _____ required to work.

a)

force

b)

energy

c)

work

60.

A sloping force, like a ramp, that reduces the mount of force required to lift an object.

a)

screw

b)

wheel and axle

c)

inclined plane

61.

Flagpole

a)

wedge

b)

pulley

c)

incline plane

d)

wheel and axle

62.

This device

a)

wedge

b)

lever

c)

incline plane

d)

wheel and axle

63.

Tammy and Johnny are loading boxes onto identical trucks. Tammy slides the boxes up a ramp that is 1 meter long. Johnny uses a ramp that is 2 meters long. Who uses more force?

a)

Johnny

b)

Tammy

64.

What is the net force?

a)

3 N

b)

3 N, right

c)

17 N, right

d)

3 N, left

65.

If these teams are pulling with the same amount of force what will happen?

a)

The boy in blue will win.

b)

They will not move at all.

c)

The boy in red will win.

d)

Both will fall down.

66.

Balanced or unbalanced?

a)

balanced

b)

unbalanced

67.

Forces that have a net force of zero Newtons

a)

Balanced force

b)

Unbalanced force

68.

Calculate the Net Force.

a)

60N, Left

b)

40N, Right

c)

0N

d)

60N, Right

69.

When forces are going in the opposite direction of each other you should do what do find the net force

a)

Subtract

b)

Add

c)

Divide

d)

Multiply

70.

If both forces are going in the same direction you should______ those forces

a)

Add

b)

Subtract

c)

Divide

d)

Multiply

71.

Using the back of a hammer makes it much easier to remove a nail from a wooden board. What kind of simple machine would the hammer be classified as if you are using it for this purpose?

a)

Wedge

b)

Lever

c)

Pullye

d)

Inclined Plane

72.

In the food chain, which of the pictures is a PRODUCER?

a)

Sun

b)

Plants

c)

Ladybug

d)

Chicken

73.

An animal called a divo lives on an island. This island is the perfect ecosystem for the divo because it has its only food, tree ants. One winter it got very cold and all the tree ants died. What will happen to the divos?

a)

their fur grew longer and thicker

b)

they dug holes and lived underground

c)

they died

d)

they switched to eating seeds

74.

What term describes all nonliving factors in an environment?

a)

abiotic

b)

zoological

c)

biotic

d)

biological

75.

All of the following are negative impacts of human activity EXCEPT---

a)

pollution

b)

deforestation

c)

overfishing

d)

planting seeds

76.

The place where an organism lives that provides it with shelter, food and water.

a)

ecosystem

b)

population

c)

community

d)

habitat

77.

Something that limits the size of a population.

a)

maxfactor

b)

factor tree

c)

the x factor

d)

limiting factor

78.

What is the ultimate ORIGINAL source of energy for living things

a)

Sugar

b)

Sun

c)

Moon

d)

Carbon Dioxide

79.

The basic building blocks from which all living organisms are made are

a)

cells

b)

Chicken

c)

chromosomes

d)

Amoeba

80.

Controls what goes in and out of the cell.

a)

cell membrane

b)

cell wall

c)

organelle

d)

cell

81.

Which organelle belongs in plant cells only?

a)

Cytoplasm

b)

Mitochondrion

c)

Large Central Vacuole

d)

Cell Membrane

82.

Beaver muscle cells have 48 chromosomes. How many chromosomes would be found in a beaver egg cell?

a)

96

b)

48

c)

24

d)

12

83.

A guinea pig cell has 64 chromosomes. After mitosis, each daughter contains ___ chromosomes.

a)

128

b)

64

c)

32

d)

16

84.

What is the function of mitochondria

a)

to be your friend

b)

to generate energy

c)

to provide protection

d)

to clean the cell

85.

What are the products of cellular respiration?

a)

ATP

b)

Carbon dioxide

c)

Water

d)

Oxygen

86.

What goes into cellular respiration?

a)

Glucose

b)

Oxygen

c)

Sunlight

d)

Water

87.

What goes into cellular respiration?

a)

Glucose

b)

Oxygen

c)

Sunlight

d)

Water

88.

A mutation is defined as:

a)

A change in the cell's structure

b)

Anything that changes in an embryo

c)

Any change in the physical features of a human

d)

A change in the DNA sequence

89.

Where do mutations occur?

a)

DNA and RNA

b)

DNA

c)

RNA

d)

mRNA and tRNA

90.

True or false, mutations create genetic diversity?

a)

True

b)

False

91.

Mutations are SOMETIMES helpful to the organism.

a)

true

b)

false

92.

Which sequence of complementary DNA bases would pair with this partial strand
ATG TGA CAG?

a)

ATG TGA CAG

b)

TAC ACT GTC

c)

GTA AGT GAC

d)

CAT TCA CTG

93.

___________ reproduction has the advantage of increasing genetic variation.

a)

Sexual

b)

Asexual

c)

Fission

d)

Budding

94.

How will this object move?

a)

It won't move.

b)

It will move to the right.

c)

It will move to the left.

d)

It will move up.

95.

What is the net force?

a)

30 N left

b)

25 N right

c)

5 N left

d)

55 N right

96.

What is the net force?

a)

40 N left

b)

0 N Balalnced

c)

400 N right

d)

40 N right

97.

Which could be an example of a balanced force?

a)

An asteroid moving at a constant speed through space

b)

A car accelerating from a stop sign

c)

A box of dishes falling from a counter

d)

A rocket taking off

98.

The law of inertia is also known as which law of motion?

a)

Newtons first law of motion.

b)

Newtons second law of motion.

c)

Newtons third law of motion.

d)

Inertia has nothing to do with the laws of motion.

99.

The force that pulls things toward earth.

a)

Speed

b)

Gravity

7th Grade Integrated Science Final Exam REVIEW

Total questions: 99

Worksheet time: 1hrs 17mins

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