Quiz about untitled

Question 1

What is the energy transformation that occurs in an electric pencil sharpener?

Accepted Answer

electrical energy to mechanical energy

Answer

mechanical energy to electrical energy

Answer

radiant energy to sound energy

Answer

chemical energy to mechanical energy

Question 2

Which object shows an energy transformation from electrical to mechanical?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 3

The roller coaster cart has the most kinetic energy at position-

Accepted Answer

X

Answer

W

Answer

Y

Answer

Z

Question 4

A hairdryer converts --

Accepted Answer

electrical energy into thermal

Answer

electrical energy into chemical

Answer

chemical energy into mechanical

Answer

thermal energy into mechanical

Question 5

Which items would have this energy transformation: mechanical energy -> sound energy?

Accepted Answer

Question 6

Energy of motion is which type of energy?

Accepted Answer

Kinetic

Answer

Potential

Answer

Sound

Answer

Gravitational

Question 7

What kind of energy is represented in the picture?

Accepted Answer

Chemical

Answer

Thermal

Answer

Sound

Answer

Nuclear

Question 8

A swing has potential energy if _____________.

Accepted Answer

it is sitting still

Answer

it is in motion

Answer

it is swinging backward

Answer

it is spinning

Question 9

According to the Law of Conservation of Energy, energy cannot be _________ or ____________.

Accepted Answer

created, destroyed

Answer

destroyed, destroyed

Answer

created, saved

Answer

lost, found

Question 10

What kind of energy is represented in this picture?

Accepted Answer

Thermal

Answer

Potential

Answer

Nuclear

Answer

Mechanical

Question 11

What type of energy transformation in an electric hot plate is plugged in?

Accepted Answer

electrical to thermal

Answer

electrical to light

Answer

mechanical to electrical to light

Answer

thermal to mechanical to light

Question 12

The illustration shows a hand generator.

Turning the handle of the generator causes the bulb to light up. This device uses what type of energy to light the bulb?

Accepted Answer

Mechanical to electrical

Answer

Electrical to sound

Answer

Thermal to mechanical

Answer

Light to thermal

Question 13

The picture shows a wind-up toy frog.

After winding, the toy frog flips over. This toy demonstrates what kind of energy?

Accepted Answer

Mechanical

Answer

Light

Answer

Thermal

Answer

Electrical

Question 14

what type of energy is stored in a battery?

Accepted Answer

chemical

Answer

electrical

Answer

thermal

Answer

mechanical

Question 15

Solar Energy is transferred to _____ Energy.

Accepted Answer

Electrical

Answer

Mechanical

Answer

Solar

Answer

Sound

Question 16

Mechanical Energy is transferred to _____ Energy.

Accepted Answer

Electrical

Answer

Solar

Answer

Mechanical

Answer

Potential

Question 17

Energy you get from eating an apple

Accepted Answer

Question 18

Food chains and food webs are examples of energy transformations.

Accepted Answer

True

Answer

False

Question 19

What energy transformations take place when a battery-operated radio is in use?

Accepted Answer

Chemical to electrical to sound

Answer

Electrical to chemical to light

Answer

Sound to chemical to mechanical

Answer

Light to electrical to thermal

Question 20

What type of energy transformation occurs, when a hawk eats a mouse and then uses the energy from the mouse to fly?

Accepted Answer

chemical energy to mechanical energy

Answer

mechanical energy to chemical energy

Answer

thermal energy to mechanical energy

Answer

mechanical energy to thermal energy

Question 21

What energy transformation occurs when a crock pot is plugged into an outlet and then the control knob is turned "on"?

Accepted Answer

electrical to thermal

Answer

thermal to electrical

Answer

mechanical to thermal

Answer

electrical to sound

Question 22

What type of potential energy does a match have?

Accepted Answer

chemical energy

Answer

thermal energy

Answer

light energy

Answer

electrical energy

Question 23

Which energy transformation is shown in this picture?

Accepted Answer

chemical -----> mechanical

Answer

chemical -----> light

Answer

light -----> mechanical

Answer

mechanical -----> chemical

Question 24

This diagram is showing which of the following transformations?

Accepted Answer

light energy ----> chemical energy

Answer

light energy ----> thermal energy

Answer

thermal energy ----> light energy

Answer

chemical energy ----> light energy

Question 25

What does your body convert into energy?

Accepted Answer

Food

Answer

Skin

Answer

Hair

Answer

Nails

Question 26

What type of energy do plants use to make food?

Accepted Answer

Radiant

Answer

Mechanical

Answer

Sound

Answer

Thermal

Question 27

How much energy is available to be passed on to the next level in a food web?

Accepted Answer

10%

Answer

100%

Answer

50%

Answer

75%

Question 28

Which type of energy is formed during the process of photosynthesis?

Accepted Answer

chemical

Answer

radiant

Answer

thermal

Answer

kinetic

Question 29

What kind of energy is being shown in the picture?

Accepted Answer

Potential

Answer

Light

Answer

Gravitational

Answer

Kinetic

Question 30

Which is the best example of kinetic energy?

Accepted Answer

A wagon rolling down a hill

Answer

A car sitting on top of a hill

Answer

A skateboard on the sidewalk

Answer

A powerwheel parked in the yard

Question 31

What happens as the ball on the pendulum goes from center to the right in the diagram?

Accepted Answer

Potential energy increases as kinetic energy decreases

Answer

Kinetic energy increases while potential energy decreases

Answer

Potential energy increases as kinetic energy increases

Answer

Potential and Kinetic energy is lost

Question 32

How does energy change?

Accepted Answer

The cart has potential energy at the top while kinetic energy increases going down.

Answer

The cart has more kinetic energy at the top than when it is going down the hill.

Answer

The cart has potential energy that is lost going down the hill.

Answer

The cart has kinetic energy at the top of the hill and no potential energy.

Question 33

A toy car is traveling up a ramp. What happens to the energy as it goes up the ramp?

Accepted Answer

Potential energy increases while kinetic decreases.

Answer

Kinetic energy increases while potential decreases.

Answer

Both potential and kinetic energy increases.

Answer

Both potential and kinetic energy decreases.

Question 34

Which position has the most potential energy?

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 35

Which position has the greatest amount of kinetic energy?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

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