Quiz about Energy transformation

Question 1

Which of the following is true about this picture? Pick two.

Accepted Answer

C has more potential than D but less than B

Accepted Answer

B has the most potential

Answer

D has more potential than A and more kinetic than B

Answer

D has the most potential

Question 2

Which answer is true about this chart?

Accepted Answer

C,E are potential energy examples.

Answer

D,E are potential energy examples?

Answer

A,B,C are potential energy examples.

Answer

A,B,D are potential energy examples.

Question 3

What is true about the ball's potential and kinetic energy? Select 2 answers.

Accepted Answer

The ball decreases kinetic energy between A and B

Accepted Answer

The ball increases in potential energy between A and B

Answer

The ball decreases kinetic energy between B and C.

Answer

The ball increases in kinetic energy between A and B

Question 4

As you are climbing you stop at a ledge halfway up a cliff. You start cooking on a stove and cook your food in a pan. Which scenario would give the pan the most kinetic energy?

Accepted Answer

Accidently knocking it off the cliff

Answer

Deforming it into a new shape.

Answer

Holding it above the ledge.

Answer

Bringing up to the top of the mountain.

Question 5

Which one describes the change in energy during movement of the ball?

Accepted Answer

Kinetic energy at 1 is equal to the potential energy at 3.

Answer

Potential energy at 2 increases as it moves to 4.

Answer

Potential energy at 1 is equal to the potential energy at 3.

Answer

Kinetic energy at 3 increases as it moves to 4.

Question 6

What is an example of potential energy?

Accepted Answer

a tank of gasoline

Answer

a burning log

Answer

a red hot iron

Answer

a fallen statue

Question 7

At P.E. a student throw a basketball high into the air. As the ball goes up, what type of energy is increasing?

Accepted Answer

Potential

Answer

Kinetic

Answer

Thermal

Answer

Electrical

Question 8

What energy conversion is this teacher teaching?

Accepted Answer

Potential to Kinetic

Answer

Light to Potential

Answer

Electrical to Chemical

Answer

Thermal to Kinetic

Question 9

Which bar graph represent the energy levels at ball 3?

Accepted Answer

Question 10

Which position has the least kinetic energy?

Accepted Answer

3

Answer

2

Answer

4

Answer

1

Question 11

Which item has the most potential energy?

Accepted Answer

1

Answer

4

Answer

3

Answer

2

Question 12

In science lab you roll down the marbles shown on a ramp. Which marble will have the greatest kinetic energy?

Accepted Answer

6g

Answer

5g

Answer

3g

Answer

2g

Question 13

How does the energy transform?

Accepted Answer

Potential to Kinetic to Sound

Answer

Solar to Potential to Heat

Answer

Potential to Sound to Heat

Question 14

A hydroelectric dam uses the power of falling water to turn turbines to create electricity to power buildings. Which number represents the potential energy?

Accepted Answer

1

Answer

4

Answer

3

Answer

2

Question 15

Which position has 100% kinetic energy?

Accepted Answer

2

Answer

4

Answer

3

Answer

1

Question 16

Which position shows 100% potential energy?

Accepted Answer

1

Answer

3

Answer

2

Answer

4

Question 17

Which point has greatest kinetic energy?

Accepted Answer

C

Answer

A

Answer

B

Answer

none

Question 18

What is an example of an energy transformation?

Accepted Answer

When riding a roller coaster: gravitational converts to mechanical and sound energy.

Answer

A box on the ground: gravitational that converts to kinetic energy

Answer

A bird on a branch:

Elastic energy converts to mechanical.

Answer

Jumping on a trampoline: Radiant energy to gravitational.

Question 19

How is energy transformation different from energy transfer?

Accepted Answer

Energy transformation changes the form of energy, while energy transfer moves energy between systems.

Answer

Energy transfer changes the form of energy, while energy transformation moves energy between systems.

Answer

Energy transformation only occurs in closed systems.

Answer

Energy transformation is the same as energy transfer.

Question 20

What point has the least amount of potential energy? Support your answer.

Accepted Answer

A because the higher the cart rolls on the inclined plane, the more potential energy accumulated.

Answer

D because the cart has the most potential energy before rolling up the inclined plane.

Answer

C because the higher the cart rolls on the inclined plane, the less potential energy accumulated.

Answer

B because the cart rolling on the inclined plane does not affect the potential energy of the cart.

Question 21

Which part has the electrical energy?

Accepted Answer

Electric Wire

Answer

Batteries

Answer

Light bulb

Question 22

If you plan an experiment using two batteries as shown, what is the purpose of the experiment?

Accepted Answer

To show how energy transforms from chemical to electrical

Answer

To show how energy transforms from electrical to chemical

Answer

To show how light energy is affected by battery type

Answer

To show the effect of radiant energy on batteries.

Question 23

We use glucose from plants for energy. Which represents glucose after its broken down into simpler compounds?

Accepted Answer

Question 24

How does energy flow in this food web?

Accepted Answer

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