Energy Transformations

1.

Multiple Choice

30 sec

1 pt

Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?

Chemical to light

Electrical to chemical

Electrical to light

Chemical to electrical

2.

Multiple Choice

30 sec

1 pt

Which of the following shows an energy transformation from chemical energy to electrical to light energy?

A bolt of lightning lights the night sky.

A candle glows brightly in the dark.

A fire in a fireplace lights up a room.

A battery causes a flashlight to shine.

3.

Multiple Choice

30 sec

1 pt

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

Electrical to chemical to light

Sound to chemical to mechanical

Chemical to electrical to sound

Light to electrical to thermal

4.

Multiple Choice

30 sec

1 pt

People get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?

mechanical to thermal to electrical

chemical to mechanical to thermal

mechanical to chemical to sound

chemical to sound to electrical

5.

Multiple Choice

30 sec

1 pt

A television works by transforming electrical energy into what other kinds of energy?

Light, thermal, and sound

Thermal, chemical, and solar

Sound, mechanical, and electrical

Light, chemical, and mechanical

6.

Multiple Choice

30 sec

1 pt

Which of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?

chemical to thermal

light to chemical

thermal to light

chemical to electrical

7.

Multiple Choice

30 sec

1 pt

The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —

solar

light

thermal

mechanical

8.

Multiple Choice

30 sec

1 pt

Which energy conversion is taking place when you put gasoline in a car?

thermal -> electrical

mechanical -> electrical

chemical -> mechanical

mechanical -> electromagnetic

9.

Multiple Choice

30 sec

1 pt

Energy transformations occur when...

energy is created through conduction

energy changes from one form to another

two forces slide together that are touching

a chemical reaction takes place

10.

Multiple Choice

30 sec

1 pt

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

destroyed, destroyed

created, saved

created, destroyed

lost, found

11.

Multiple Choice

30 sec

1 pt

what type of energy is stored in a battery?

electrical

chemical

thermal

mechanical

12.

Multiple Choice

30 sec

1 pt

Mechanical Energy is transferred to _____ Energy.

Solar

Mechanical

Electrical

Potential

13.

Multiple Choice

30 sec

1 pt

Electrical Energy is transferred to _____ Energy.

Thermal

Solar

Electrical

None

14.

Multiple Choice

1 min

1 pt

Electrical -> Mechanical -> Sound

A triple beam balance measuring an object’s mass

A pencil sharpener plugged into a wall outlet

A projector displaying a diagram on the screen

A working flashlight used to light up a dark corner

15.

Multiple Choice

30 sec

1 pt

Which energy transformation occurs in a toaster?

chemical to electric

electric to thermal

kinetic to chemical

thermal to potential

16.

Multiple Choice

30 sec

1 pt

Turning on a lamp is an example of energy transformation from electrical to 3 forms of energy. Which of these is NOT created by the lamp?

radiant

light

heat

chemical

17.

Multiple Choice

30 sec

1 pt

In energy transformations, "wasted energy" usually takes what form?

heat

chemical energy

light

sound waves

18.

Multiple Choice

30 sec

1 pt

What kind of energy is represented in the picture?

Thermal

Chemical

Sound

Nuclear

19.

Multiple Choice

30 sec

1 pt

What energy transformation occurs as howler monkeys loudly call to each other in the forest?

Chemical --> Mechanical --> Sound

Chemical --> Sound --> Thermal

Sound --> Chemical --> Radiant

Mechanical --> Chemical --> Sound

20.

Multiple Choice

1 min

1 pt

A teacher rubbed a match against a piece of sandpaper. The match started to burn. Which statement best describes the energy changes that occurred?

The chemical energy stored in the match changed to thermal energy and light energy.

The thermal energy stored in the match changed to light energy and chemical energy.

The light energy and thermal energy stored in the match changed to mechanical energy.

The light energy and thermal energy stored in the match changed to chemical energy.

Explore this activity with a free account