Free Printable Physical Science Midterm

1.

What force holds the planets in motion around the sun?

a)

Magnetic

b)

Electrical

c)

Gravitational

d)

Air Resistance

2.

What is a force?

a)

a push or pull

b)

speed or acceleration

c)

potential or kinetic energy

d)

balanced or unbalanced force

3.

A force that resists motion between two surfaces that are pressed together.

a)

Spring Force

b)

Normal Force

c)

Friction Force

4.

What is the type of contact force that is being described?

Your hand being pulled backwards as you stick it out of the window of a moving car.

a)

Applied Force

b)

Normal Force

c)

Friction

d)

Air Resistance

5.

How would the absence of friction affect a marble traveling on a long, straight path?

a)

The marble’s speed would decrease.

b)

The marble’s speed would increase.

c)

The marble would stop immediately.

d)

The marble would remain at constant speed.

6.

How can friction be reduced?

a)

reduce the force acting between the 2 surfaces

b)

reduce the roughness of the 2 surfaces coming in contact

c)

use wax, grease or oil

d)

all of the above are ways of reducing friction

7.

Rina’s mother asked her to help move some items from the hall closet to the garage. One item she wanted to move was a large box of old school books. Rina tried to lift the box, but could not pick it up. What force was Rina NOT able to overcome?

a)

frictional force

b)

gravitational force

c)

applied force

d)

normal force

8.

If these boys 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.

9.

If there is a big mass, it would need a stronger force to accelerate it. Which law does this describe?

a)

3rd law

b)

1st law

c)

2nd law

10.

A soccer ball is sitting in the middle of a field. The ball will remain at rest until an outside force like a players foot or the wind acts upon it. Which of Newton's laws is represented by this?

a)

1st

b)

2nd

c)

3rd

11.

Sally jumps on her trampoline. She exerts a force on the trampoline and the trampoline exerts an equal but opposite force back on Sally. This represents

a)

Law 1

b)

Law 3

c)

Law 2

12.

Which way would a swimmer push to move forward in the water?

a)

To the left

b)

Forward

c)

Backward

13.

What does the F in F=MA stand for?

a)

Flops

b)

Friction

c)

fast

d)

force

14.

What is terminal velocity?

a)

The maximum velocity that an object will reach.

b)

The velocity at which an object changes direction.

c)

The velocity at which an object starts moving.

d)

The velocity at which an object stops moving.

15.

What kind of friction slows a soccer ball

a)

kinetic friction

b)

static friction

c)

fluid friction

d)

rolling friction

16.

What kind of friction do you use to stick pencils on walls?

a)

kinetic friction

b)

rolling friction

c)

fluid friction

d)

sliding friction

17.

A force that acts on the plane to pull it back to earth.

a)

Yaw

b)

Wings

c)

Tail

d)

Weight

18.

When the rocket launches, the water inside the rocket applies a force downward to the launchpad, and the the launchpad applies a force upward to the...

a)

air

b)

grass

c)

rocket

d)

string

19.

A 20 kg bike accelerates at 10 m/s². What was the force? (F = M x A)

a)

25 Newtons

b)

20 Newtons

c)

200 Newtons

d)

10 Newtons

20.

A 260.5N unbalanced force applied to push a chair across the room causing an acceleration of 4.2 m/s². What is the mass of the chair? (F = M x A)

a)

62.02 kg

b)

63.69 kg

c)

263.3 kg

d)

1123.5 kg

21.

A white pool cue ball strikes a striped billiard ball at rest with a speed of 5 m/s. How fast does the striped billiards ball move, and in what direction?

a)

5 m/s²forward

b)

5 m/s² backward

c)

5 m/s forward

d)

5 m/s backward

22.

What is the acceleration (a) of a 92 kg (m) downhill skier that skis with a force of 118 N? (F = M x A)

a)

.77 m/s²

b)

1.3 m/s

c)

1.3 m/s²

d)

.77 m/s

23.

An archer shoots an arrow. The action force is the bowstring against the arrow, the reaction force is...

a)

Air resistance against the bow

b)

the arrow's push against the bowstring

c)

the grip of the archer's hand on the bow

24.

Mathematician, Astronomer, & Physicist who discovered gravity, laws of motion, calculus, reflecting telescope. (a)

Choose from the below words

Isaac Newton

Marie Curie

Stephen Hawkings

AlexanderFleming

25.

What is the net force?

a)

65 N left

b)

65 N right

c)

35 N left

d)

35 N right

26.

Acceleration can be... (select all that apply)

a)

speeding up

b)

slowing down

c)

staying at constant speed

d)

changing directions

27.

Velocity is different from speed because...

a)

Velocity is distance/time. Speed is displacement/time.

b)

Velocity is speed in a certain direction and can be positive or negative.

c)

Speed is velocity in a certain direction. Both can only be positive.

d)

Velocity is how much speed changes over time.

28.

This chart represents the velocity of a bicycle over time. Select the correct statement regarding the bicycle's movement.

a)

The bicycle has constant velocity.

b)

The bicycle has constant speed.

c)

The bicycle is accelerating.

d)

The bicycle has 0 acceleration.

29.

The image shows two cars with the same speed moving in different directions. What is true about the velocity of the cars?

a)

Each car has the same velocity because the speeds are the same.

b)

Each car has a different velocity because they are going in different directions.

30.

The slope of this position vs time graph is?

a)

Constant

b)

Increasing

c)

Decreasing

d)

0

31.

The slope of this position vs time graph is...

a)

Constant

b)

Increasing

c)

Decreasing

d)

0

32.

A car begins at position x = 10 and travels to position x = -30. What is the car's displacement?

a)

-40

b)

40

c)

10

d)

30

33.

A storm is traveling 25 km/hr eastward

a)

Speed

b)

Velocity

c)

Acceleration

34.

Spencer walked 420 m in 17.5 seconds

a)

Speed

b)

Velocity

c)

Acceleration

35.

Mrs. Starnes slowed down as she was approaching the Chick-fil-A drive thru.

a)

Speed

b)

Velocity

c)

Acceleration

36.

A velocity of 5 m/s means that an object will travel (a) meter(s) in (b) second(s)

Choose from the below words

5

1

2

20

37.

A unicyclist pedals 40 hours at 5 miles per hour without making any stops. How far does she get?

a)

200 miles

b)

8 miles

c)

35 miles

d)

45 miles

38.

Describe the speed of the object from 4-6 seconds using the distance vs. time graph.

a)

Increasing speed

b)

Decreasing speed

c)

Not moving

d)

Constant speed

39.

Acceleration describes how an object’s velocity is changing. Which of the following scenarios provides the best example of an accelerating object?

a)

A car driving at a constant speed

b)

A book sitting on top of a high shelf

c)

A toy train traveling in a circle

d)

A bike travelling east on a steady speed

40.

A horse accelerates from a velocity of 0m/s to 20 m/s in 3 seconds. What is the acceleration of the horse?

a)

60 m/s²

b)

6.67 m/s²

c)

0.15 m/s²

d)

30 m/s²

41.

Jeff stays after class to work on his science homework is late for hockey practice. He decides to run so the coach won't be mad. If the locker room is 300 m from the classroom and Jeff can run a surprising 25 m/s, how long would it take him to get there?

a)

7.5 s

b)

12 s

c)

42.9 s

d)

0.25 s

42.

The bell rings and you leave class. It takes you 40 s to travel the 30 m to your next class. What is your average speed?

a)

0.75 m/s

b)

10 m/s²

c)

1.3 m/s

d)

0.75 m/s²

43.

The speedometer in a car measures:

a)

average velocity

b)

average speed

c)

instantaneous speed

d)

displacement

44.

A roller coaster is traveling at 15 m/s at the top of a hill. When the coaster reaches the bottom of the hill 8 s later it is going 36 m/s. What is the acceleration of the roller coaster?

a)

5.14 m/s²

b)

13 m/s²

c)

2.6 m/s²

d)

- 13 m/s²

45.

A tennis ball is thrown upward. What is the tennis ball doing as it is travelling up towards its maximum height?

a)

speeding up

b)

slowing down

c)

moving at a constant velocity

d)

not moving

46.

The acceleration of objects falling on Earth due to gravity is

a)

9.8 m/s

b)

9.8 m/s²

c)

9.8 g/mL

d)

9.8 g/m/m

47.

A ball drops from a tall building. The ball strikes the sidewalk 2.0 seconds later. What is the velocity of the ball when it hits the sidewalk?

a)

19.6 m/s²

b)

9.8 m/s²

c)

4.9 m/s²

d)

7.8 m/s²

48.

The three divisions of natural science are (choose 3)

a)

physical science

b)

Earth and space science

c)

Geology and astrology

d)

life science

e)

Oceanography

49.

The study of matter and energy

a)

technology

b)

physical science

c)

life science

50.

List the missing steps of the scientific method

1. Problem/Question
2.
3.
4. Experiment
5. Collect and Analyze Results
6.

a)

2. Formulate a Hypothesis
3. Communicate Results
6. Conclusion

b)

2. Experiment
3. Collect Results
6. Formulate a Hypothesis

c)

2. Observation/Research

3. Formulate a Hypothesis
6. Conclusion

d)

2. Observation/Research
3. Conclusion
6. Formulate a Hypothesis

51.

The goal of any scientific method is to solve a problem or better understand an observed event.

a)

true

b)

false

52.

A well-tested explanation for a set of observations.

a)

theory

b)

hypothesis

c)

observation

53.

Which of the following are safety precautions you should follow when working in the lab? Choose 2

a)

follow safety rules

b)

don't ask questions

c)

read all procedural steps

d)

eat but do not drink during the lab

54.

The SI unit of mass.

a)

meter

b)

kilogram

c)

kelvin

d)

second

55.

The SI unit of length.

a)

meter

b)

kilogram

c)

kelvin

d)

second

56.

The SI unit of time

a)

minute

b)

hour

c)

second

57.

Which number is expressed as 5 x 10⁶?

a)

5,000

b)

50,000

c)

500,000

d)

5,000,000

58.

Which number is expressed as 7.76 x 10^-3?

a)

7760

b)

776000

c)

0.00776

d)

0.00000776

59.

Which number is expressed as 64,900,000

a)

6.49 x 10⁵

b)

6.49 x 10⁶

c)

6.49 x 10⁷

d)

64.9 x 10^-5

60.

Which number is expressed as 0.000391

a)

3.91 x 10⁴

b)

3.91 x 10⁶

c)

2.99 x 10^-4

d)

3.91 x 10^-4

61.

The independent (manipulated) variable is generally plotted on the x-axis (vertical) and the dependent (responding) variable is generally plotted on the y-axis (horizontal).

a)

true

b)

false

62.

A botanist wants to know how different colors of light effect the growth of plants. She believes that plants can survive the best in white light. She buys 5 ferns of the same species, which are all approximately the same age and height. She places one in white light, one in blue light, one in green light, one in red light and one in the closet. All of the ferns are planted in Miracle-Grow and given 20 mL of water once a day for two weeks.

Name the independent variable

a)

Type of plants

b)

Type of lights

c)

Type of Miracle-Grow

d)

Amount of water

63.

A botanist wants to know how different colors of light effect the growth of plants. She believes that plants can survive the best in white light. She buys 5 ferns of the same species, which are all approximately the same age and height. She places one in white light, one in blue light, one in green light, one in red light and one in the closet. All of the ferns are planted in Miracle-Grow and given 20 mL of water once a day for two weeks.

Name the dependent variable

a)

Plant Type

b)

Plant Growth

c)

Amount of Miracle-Grow

d)

Amount of water

64.

Correctly complete the statement: A ___ variable is what changes in an experiment, a ____ variable is what is being measured.

a)

control/independent

b)

independent/dependent

c)

dependent/independent

65.

A custodian notices some dirty tables and wants to know which cleaner is the best to use. He tests three different cleaners and looks at how well they clean compared to tap water. What is the control group?

a)

type of cleaner

b)

tap water

c)

dirty tables

66.

A custodian notices some dirty tables and wants to know which cleaner is the best to use. He tests three different cleaners and looks at how well they clean compared to tap water. What are the experimental groups?

a)

types of cleaner

b)

tap water

c)

dirty tables

67.

What is the volume of water in this graduated cylinder?

a)

47 mL

b)

50 mL

c)

45 mL

d)

45.4 mL

68.

Something that takes up space and has mass.

a)

volume

b)

matter

c)

mass

d)

density

69.

The x-axis shows

a)

time

b)

carbon dioxide concentration

c)

Mauna Loa volcano

d)

science

70.

The y-axis shows

a)

time

b)

carbon dioxide concentration

c)

Mauna Loa volcano

d)

science

71.

This data set shows that

a)

there is more CO2 in the atmosphere now than ever before

b)

Hawaii will be most affected by global warming

c)

global temperatures are rising

d)

there is more CO2 in Hawaii than anywhere else

72.

What type of graph is this?

a)

Bar graph

b)

Histogram

c)

Pie Chart

d)

Stem Chart

73.

How many more people like purple than red?

a)

3

b)

5

c)

7

d)

9

74.

To display data which compares favorite movie types, you should use a...

a)

Circle Graph

b)

Bar Graph

c)

Line Graph

75.

To display data showing your heights over the first ten years of your life, use a...

a)

Circle Graph

b)

Bar Graph

c)

Line Graph

76.

On what number is the metric system based?

a)

1

b)

10

c)

60

d)

100

77.

Which measurement would you use to measure the following?
the volume of a soda bottle

a)

centimeters

b)

liters

c)

kilograms

d)

grams

78.

Which measurement would you use to measure the following?
the distance from school to the mall

a)

kilometers

b)

kiloliters

c)

kilograms

d)

cetimeters

79.

Convert 17 km to mm:

a)

0.0000017 mm

b)

170,000 mm

c)

17,000,000 mm

d)

170 mm

80.

Convert 8 kilometers to meters

a)

800 m

b)

80,000 m

c)

8,000 m

d)

.008 m

81.

In which of the following situations do your arms do work on books?

a)

holding a heavy stack of books while standing

b)

carrying a heavy stack of books

c)

dropping a stack of books onto a table

d)

picking up a pile of books from the floor

82.

The ability to do work is....

a)

work

b)

power

c)

acceleration

d)

energy

83.

All of these are examples of Potential Energy

a)

Energy stored in an atom

b)

Moving Car

c)

The ceiling tile

d)

Oil

e)

Throwing a basketball

84.

This form of energy is energy that is in motion....

a)

kinetic

b)

force

c)

potential

d)

elastic

85.

Energy that is stored is....

a)

Possible

b)

Potential

c)

Kinetic

d)

Latent

86.

Energy that is stored by an object due to its position above the ground. Depends on weight and height

a)

Elastic Potential Energy

b)

Chemical Potential Energy

c)

Gravitational Potential Energy

87.

Name a source of chemical potential energy

a)

sun

b)

heater

c)

gasoline

d)

neon light

88.

You are moving a couch across the living room. The couch weighs 420 N and you need to move it 6 meters. Calculate the work.

a)

420 j

b)

2520 j

c)

2400 j

d)

1600 j

89.

A coiled spring that is stretched out has....

a)

Chemical potential energy

b)

kinetic energy

c)

Elastic potential energy

d)

no energy

90.

The sum of kinetic and potential energy is called...

a)

sum energy

b)

nonmechanical energy

c)

mechanical energy

d)

space energy

91.

What is the rate at which energy is converted?

a)

potential energy

b)

kinetic energy

c)

mechanical energy

d)

power

92.

All are examples of a simple machine EXCEPT

a)

a lever

b)

a pulley

c)

motor

d)

wheel and axle

93.

When you rub your hands together on a cold day, you use friction to convert

a)

Mechanical energy into thermal energy

b)

Thermal energy into nuclear energy

c)

Nuclear energy into electrical energy.

d)

Electrical energy into radiant energy

94.

if you push a cart with a force of 60 N resulting in 120 J of work.. how far did you move the cart?

a)

7200 m

b)

0 m

c)

2 N

d)

2 m

95.

The law of the conservation of energy says energy cannot be created or

a)

changed

b)

formed

c)

destroyed

d)

stored

96.

Which sequence describes the energy conversions

in a car’s engine?

a)

chemical to thermal to mechanical

b)

mechanical to thermal to chemical

c)

thermal to mechanical to chemical

d)

kinetic to potential to mechanical

97.

A pterodactyl is flying at 23 m/s. What is its kinetic energy if it has a mass of 250 kg?

a)

66125 Joules

b)

66125 Watts

c)

2875 Watts

d)

2875 Joules

98.

What is the potential energy of a 47 kg kangaroo that is resting on top of 45m tall ledge?

a)

2115 Joules

b)

47587.5 Joules

c)

20727 Joules

d)

20727 Watts

99.

A man is throwing a ball off a cliff into some water below. Match the labels to where they belong on the throw's trajectory.

a)

Max Potential Energy

b)

Equal amounts of Potential and Kinetic

c)

Max Kinetic Energy

1

2

3

1)

2)

3)

100.

Match the units to their variables

a)

Work

1.

Joules

b)

Force

2.

Newtons

c)

Distance

3.

meters

d)

Power

4.

Watts

e)

Velocity

5.

m/s

Physical Science Midterm

Total questions: 100

Worksheet time: 2hrs 26mins

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