Quiz about Energy & Force Review

Question 1

Mila ate a banana as an afternoon snack and then decided to go for a run. She plugged some headphones into her phone so she could listen to music while she ran. A fitness magazine she read said that the food you eat is like a battery because it has energy. What kind of energy do bananas and batteries have?

Accepted Answer

chemical energy

Answer

kinetic energy

Answer

elastic energy

Answer

gravitational potential energy

Question 2

What kind of energy does Mila have while she runs?

Accepted Answer

kinetic energy

Answer

gravitation potential energy

Answer

electrical energy

Answer

nuclear energy

Question 3

Which best describes how energy transfers from one object to another while Mila runs?

Accepted Answer

energy from the banana she ate transfers to Mila's muscles

Answer

energy from Mila's muscles transfers to Mila's phone

Answer

energy from the banana transfers to the music

Answer

energy from the magazine transfers to Mila's brain

Question 4

Mila had a portable battery pack with her, so she plugged her phone into the battery pack, and the music started playing again. Then, Mila finished her run.

Which best describes the energy transformation that caused the music to start playing again?

Accepted Answer

chemical energy -> electric energy -> sound energy

Answer

chemical energy -> kinetic energy

Answer

chemical energy -> sound energy

Answer

chemical energy -> electrical energy

Question 5

After Mila plugged her phone into the battery pack, what happened to the amount of energy in the battery pack?

Accepted Answer

decreased

Answer

increased

Answer

stayed the same

Question 6

Energy of motion is which type of energy?

Accepted Answer

Kinetic

Answer

Potential

Answer

Sound

Answer

Gravitational

Question 7

Potential Energy due to an object's position above the Earth or height

Accepted Answer

Gravitational

Answer

Magnetic

Answer

Electrical

Answer

Chemical

Question 8

At which point(s) on the roller coaster is the kinetic energy at its maximum?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 9

What is the percentage of Potential Energy at point A?

Accepted Answer

100%

Answer

25%

Answer

50%

Answer

75%

Question 10

Roller coasters slow down because their energy disappears.

Accepted Answer

False

Answer

True

Question 11

What force ultimately slows the roller coaster to a stop?

Accepted Answer

Friction

Answer

Applied

Answer

Normal

Answer

Magnetic

Question 12

On a roller coaster, some energy is transformed into ______ & ______ due to the friction with the track.

Accepted Answer

heat & sound

Answer

elastic energy & sound

Answer

heat & elastic energy

Answer

electrical & chemical energy

Question 13

Two objects with different masses are moving at the same speed. Which moving object will have more kinetic energy?

Accepted Answer

the heavier object

Answer

the lighter object

Answer

both will have the same amount of energy

Question 14

Which one is NOT a change in velocity that all objects can experience?

Accepted Answer

appear/disappear

Answer

start/stop

Answer

speed up/slow down

Answer

change direction

Question 15

What kind of relationship do force and velocity have?

Accepted Answer

cause/effect

Answer

toxic

Answer

direct

Answer

inverse

Question 16

Which kind of object experiences a greater change in velocity when a force is exerted on it?

Accepted Answer

less massive

Answer

more massive

Question 17

Alfonso, Julia, and Margie were having fun as they rolled some office chairs across a flat floor. All three chairs have the same mass. Margie gave each of the chairs a push, but not all from the same direction. Each chair changed speed as a result of being pushed.

Which chair(s) experienced the strongest force when it was pushed?

Accepted Answer

all three chairs were pushed with equal force

Answer

the blue chair

Answer

the black chair

Answer

the pink chair

Question 18

In soccer, players kick a soccer ball across a flat field. At practice one day, three soccer balls that have the same mass were rolling across the field. They were each kicked by a soccer player, but not from the same direction. Each soccer ball changed speed as a result of being kicked.

Which soccer ball(s) experienced the strongest force when it was kicked?

Accepted Answer

the blue ball

Answer

the purple ball

Answer

the yellow ball

Question 19

Three skiers were racing across flat, smooth snow. The skiers in yellow and purple sweaters have the same mass, which is more mass than the skier in the red sweater. Each skier was bumped by another skier, but not from the same direction.

Which skier(s) experienced the strongest force when bumped?

Accepted Answer

yellow and purple skiers

Answer

red skier

Answer

yellow skier

Answer

purple skier

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