Free Printable Kinetic Energy & Variables Quiz Review

1.

What is the definition of kinetic energy?

a)

The energy stored in an object due to its position

b)

The energy an object has because of its motion

c)

The energy released during a chemical reaction

d)

The energy produced by the sun

2.

Which formula is used to calculate the kinetic energy of an object?

a)

$KE = mgh$

b)

$KE = \frac{1}{2}mv^2$

c)

$KE = F \times d$

d)

$KE = \frac{1}{2}gt^2$

3.

Which of the following is a factor that affects the kinetic energy of an object?

a)

Color of the object

b)

Mass of the object

c)

Shape of the object

d)

Temperature of the object

4.

Which of the following is a real-world example of kinetic energy?

a)

A parked car

b)

A moving bicycle

c)

A book on a shelf

d)

A stretched rubber band

5.

A soccer ball rolling on the ground is an example of:

a)

Potential energy

b)

Kinetic energy

c)

Chemical energy

d)

Thermal energy

6.

Which situation would result in greater kinetic energy? You can use the equation $KE = \frac{1}{2}mv^2$

a)

A 1 kg ball moving at 2 m/s

b)

A 2 kg ball moving at 1 m/s

c)

A 1 kg ball moving at 1 m/s

d)

A 2 kg ball moving at 2 m/s

7.

Which of the following objects has the most kinetic energy? You can use the equation $KE = \frac{1}{2}mv^2$

a)

A 5 kg object moving at 2 m/s

b)

A 10 kg object moving at 1 m/s

c)

A 2 kg object moving at 5 m/s

d)

A 1 kg object moving at 10 m/s

8.

A ball is dropped from a height and starts moving. Describe how its kinetic energy changes as it falls and why.

a)

It decreases because the ball slows down

b)

It stays the same because mass does not change

c)

It increases because the ball speeds up as it falls

d)

It disappears because the ball hits the ground

9.

Kailisha wanted to see how the temperature of the air affected the elasticity (stretch) of a rubber band. She put 5 rubber bands in the refrigerator for 3 hours and kept 5 rubber bands at room temperature. After 3 hours she stretched the band along a ruler until they broke. She recorded the length at which they broke.

What is the IV?

a)

The length at which they broke

b)

The rubber bands in the freezer

c)

The type of band, measurement tool, speed and strength the band was pulled

d)

The temperature of the rubber bands

e)

The rubber bands at room temperature

10.

Kailisha wanted to see how the temperature of the air affected the elasticity (stretch) of a rubber band. She put 5 rubber bands in the refrigerator for 3 hours and kept 5 rubber bands at room temperature. After 3 hours she stretched the band along a ruler until they broke. She recorded the length at which they broke.

What is the DV?

a)

The length at which they broke

b)

The rubber bands in the freezer

c)

The type of band, measurement tool, speed and strength the band was pulled

d)

The temperature of the rubber bands

e)

The rubber bands at room temperature

11.

Kailisha wanted to see how the temperature of the air affected the elasticity (stretch) of a rubber band. She put 5 rubber bands in the refrigerator for 3 hours and kept 5 rubber bands at room temperature. After 3 hours she stretched the band along a ruler until they broke. She recorded the length at which they broke.

What is the control group?

a)

The length at which they broke

b)

The rubber bands in the freezer

c)

The type of band, measurement tool, speed and strength the band was pulled

d)

The temperature of the rubber bands

e)

The rubber bands at room temperature

12.

Kailisha wanted to see how the temperature of the air affected the elasticity (stretch) of a rubber band. She put 5 rubber bands in the refrigerator for 3 hours and kept 5 rubber bands at room temperature. After 3 hours she stretched the band along a ruler until they broke. She recorded the length at which they broke.

What are the constants?

a)

The length at which they broke

b)

The rubber bands in the freezer

c)

The type of band, measurement tool, speed and strength the band was pulled

d)

The temperature of the rubber bands

e)

The rubber bands at room temperature

13.

The variable that is manipulated (changed) by the scientist is called the ______ variable.

a)

Control

b)

Independent

c)

Constant

d)

Dependent

14.

Which of the following is a dependent variable in an experiment measuring the effect of fertilizer on plant height?

a)

Type of fertilizer used

b)

Amount of fertilizer used

c)

Height of the plants

d)

Type of plants used

15.

In an experiment to test the effect of sunlight on plant growth, what is the independent variable?

a)

Amount of water given to the plants

b)

Type of soil used

c)

Amount of sunlight received

d)

Height of the plants

16.

In an experiment to determine the effect of different amounts of sleep on test scores, what would be the independent variable?

a)

Test scores

b)

Amount of sleep

c)

Type of test

d)

Time of day the test is taken

17.

You are designing an experiment to test the effect of different types of music on concentration levels. What would be a suitable dependent variable?

a)

Type of music

b)

Volume of music

c)

Concentration levels

d)

Duration of the experiment

18.

How many independent variables can be tested in a controlled experiment?

a)

one

b)

two

c)

three

d)

as many as possible

19.

Controlled variables (constants) ...

a)

are not used in an experiment

b)

are used to measure results

c)

are used only on the control group

d)

are not changed during the experiment

20.

A student kicks a soccer ball into a goal. The speed of the ball is reduced when it hits the net. WHAT CONCLUSION CAN BE DRAWN ABOUT THE KINETIC ENERGY OF THE BALL UPON HITTING THE NET?

a)

The ball's kinetic energy decreases because its speed increases.

b)

The ball's kinetic energy increases because its speed increases.

c)

The ball's kinetic energy increases because its speed decreases.

d)

The ball's kinetic energy decreases because its energy decreases.

21.

Two cars travel on the same highway as in the picture.

Car P travels at a speed of 65 mph, and car Q travels at a speed of 60 MPH. WHAT CONCLUSION CAN BE DRAWN ABOUT THE KINETIC ENERGY OF THE 2 CARS?

a)

Car Q (60 mph) has LESS energy than Car P (65 mph) because Car Q is moving at a faster speed.

b)

Car P (65 mph) has MORE kinetic energy than Car Q (60 mph) because Car P is mpoving at a faster speed.

c)

Car Q (60 mph) has MORE kinetic energy than Car P (65 mph) because Car Q is moving at a slower speed.

d)

Cars P and Q have the SAME kinetic energy because they are moving at the SAME speed.

22.

TWO OBJECTS (D and T) with the same mass move away from each other at the SAME SPEED. What conclusion can be drawn about the kinetic energy of EACH OBJECT?

a)

Object D has MORE kinetic energy than Object T.

b)

Objects D and T have EQUAL kinetic energy.

c)

Object D has LESS kinetic energy than Oject T.

d)

Objects D and T have NO kinetic energy.

23.

A list of objects is shown below:

1 -- moving bus

2 -- glass kept on a table

3 -- pebble rolling down a hill

4 -- car parked in a garage

WHICH OBJECT OR OBJECTS POSSESSES KINETIC ENERGY?

a)

#1 ONLY

b)

#4 ONLY

c)

#1 and #3

d)

#2 and #4

24.

Kinetic energy is...

a)

energy carried in ultraviolet waves

b)

energy stored in food

c)

energy in motion

d)

energy from splitting an atom

25.

What two factors affect an object's kinetic energy?

a)

area and volume

b)

mass and weight

c)

weight and height

d)

mass and speed

26.

Mass and speed both affect the amount of kinetic energy an object has, but ____________ has a greater effect.

a)

mass

b)

speed

c)

volume

d)

weight

27.

Increasing an object's mass will increase its kinetic energy.

a)

true

b)

false

28.

If all objects are moving as the exact same speed, which would have the greatest kinetic energy?

a)

tennis ball

b)

football

c)

notebook

d)

box of 20 textbooks

29.

The faster an object moves, the ________ kinetic energy it has.

a)

more

b)

less

c)

none of the above

d)

all of the above

30.

The more mass an object has the _____________ kinetic energy it has

a)

more

b)

less

31.

What is the kinetic energy equation?

a)

KE=mass X speed

b)

KE= 1/2 X mass X speed²

c)

KE=mass X speed²

^{-------------------------}

2

d)

KE= 1/2 X speed X mass²

32.

Which of the following objects has kinetic energy?

a)

A lamp that is turned off

b)

A bike parked at the top of a hill

c)

a ball thrown across the yard

d)

Fallen leaves laying on the ground below a tree

33.

Energy in motion is called

a)

kinetic energy

b)

potential energy

c)

nuclear energy

d)

transfer energy

34.

An object falling from 50 m will have ______ potential than an object falling from 40 m.

a)

greater

b)

less

c)

equal

d)

lower

35.

The faster an object moves, the ________ kinetic energy it has.

a)

more

b)

less

c)

none of the above

d)

same

36.

What kind of energy is in a moving skateboard?

a)

Potential

b)

Kinetic

c)

Both potential and kinetic energy

d)

none of the above

37.

How much kinetic energy does a moving 6 kg object have if it moves with a speed of 3 m/s?

a)

27 J

b)

18 J

c)

9 J

d)

2 J

Kinetic Energy & Variables Quiz Review

Total questions: 37

Worksheet time: 1hrs 29mins

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