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10/8 - Test: Energy

Last updated over 3 years ago

29 questions

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Question 1

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Question 2

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Question 3

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Question 4

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Question 5

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Question 6

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Question 7

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Question 8

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Question 9

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Question 10

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Question 11

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Question 12

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Question 13

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Question 14

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Question 15

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Question 16

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Question 17

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Question 18

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Question 19

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Question 20

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Question 21

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Question 22

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Question 23

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Question 24

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Question 25

25.

Mr. Joule is the best bowler of all the teachers. His favorite bowling ball is a 7.00 kg limited edition SpongeBob ball. Mr. Joule can throw the ball at a velocity of 8.0 m/s down the lane. What is the KE of the ball when Mr. Joule throws it? KE = 1/2mv^2

Question 26

26.

When Mr. Joule gets ready to throw his 7.00 kg bowling ball down the bowling lane, he holds it in front of his head, 1.50 m above the ground. What is the GPE of the ball when Mr. Joule holds it this high? GPE=mgh

1

1

3

Question 29

29.

11. Why does the first hill of a roller coaster need to be the highest?
Use the words kinetic and potential energy in your answer for full credit.

The best definition of energy is

the ability to move

the ability to cause a change

the speed an object travels

the vibrations of atoms

The SI unit(s) for energy is the ____.

joules

grams

Watts

Newtons

You can calculate kinetic energy (KE) by using the equation ____.

KE  = mgh

KE  = dst

KE = 1/2 m v^2

KE = 1/2 (10)h

You can calculate gravitational potential energy (GPE) by using the equation

GPE = 1/2mh

GPE = mgh

GPE = 1/2gh

GPE = 1/2 m v^2

The KE of an object increases as its ____ increases.

velocity

temperature

gravitational constant

height

How could you increase the GPE of a ball without raising it higher?

change the shape of the ball

change the volume of the ball

change the mass of the ball

insult the ball by calling it a triangle

Elastic and gravitational examples of what category of energy?

kinetic energy

immediate energy

temporary energy

potential energy

The type of energy found in fuels and food is

chemical potential energy

elastic potential energy

radiant energy

kinetic energy

According to the law of conservation of energy, the total amount of energy in the universe ____.

increases over time

decreases over time

changes constantly

remains constant

On the way down, the KE of a coconut falling from a tree

increases

does not exist

decreases

stays the same

A type of energy caused by the movement of electrons

radiant

mechanical

gravitational potential

nuclear potential

chemical potential

thermal

elastic potential

electrical

A type of energy caused by the movement of EM waves, such as light.

radiant

mechanical

gravitational potential

nuclear potential

chemical potential

thermal

elastic potential

electrical

A type of energy in particles in matter due to their random motion.

radiant

mechanical

gravitational potential

nuclear potential

chemical potential

thermal

elastic potential

electrical

A type of energy caused by large scale motions of objects

radiant

mechanical

gravitational potential

nuclear potential

chemical potential

thermal

elastic potential

electrical

A type of energy stored in the bonds of atoms and molecules.

radiant

mechanical

gravitational potential

nuclear potential

chemical potential

thermal

elastic potential

electrical

A type of energy stored when objects are compressed or stretched.

radiant

mechanical

gravitational potential

nuclear potential

chemical potential

thermal

elastic potential

electrical

A type of energy that depends on an object’s position above the ground.

radiant

mechanical

gravitational potential

nuclear potential

chemical potential

thermal

elastic potential

electrical

A type of energy that is stored in the nucleus of an atom.

radiant

mechanical

gravitational potential

nuclear potential

chemical potential

thermal

elastic potential

electrical

For the object below, list 1 type of energy that each object requires to make it work.

Skydiver

gravitational potential

nuclear potential

chemical potential

elastic potential

For the object below, list 1 type of energy that each object requires to make it work.

Solar Calculator

radiant

gravitational potential

nuclear potential

thermal

elastic potential

For the object below, list 1 type of energy that each object requires to make it work.

dynamite

radiant

mechanical

gravitational potential

nuclear potential

chemical potential

elastic potential

For the  electrical appliance below, list at least 2 type(s) of energy it produces.

clothes dryer

radiant

mechanical

gravitational potential

nuclear potential

chemical potential

thermal

elastic potential

For the electrical appliance below, list at least 2 type(s) of energy it produces.

light bulb 

radiant

mechanical

gravitational potential

nuclear potential

thermal

elastic potential

For the electrical appliance below, list at least 2 type(s) of energy it produces.

television

radiant

mechanical

gravitational potential

sound

chemical potential

elastic potential

Question 27

27.

Question 28

28.

Where is the KE of the roller coaster the greatest

A

B

C

D

Where is the GPE of the roller coaster the greatest?

A

B

C