Energy Transformations

1.

Multiple Choice

30 sec

1 pt

What is the best example of a machine that converts electrical energy into kinetic energy and sound energy?

An electric toothbrush

A toaster

A flashlight

An iron

2.

Multiple Choice

30 sec

1 pt

What best describes the energy conversion that occurs when you turn on a hair dryer?

chemical to thermal to light and sound

electrical to kinetic to thermal and sound

nuclear to electrical to thermal and sound

kinetic to light to thermal and sound

3.

Multiple Choice

30 sec

1 pt

Which of the following converts chemical energy to kinetic energy to electrical energy?

a wood stove

a blender

an electric motor

a generator

4.

Multiple Choice

30 sec

1 pt

Solar energy is a form of what kind of energy?

chemical energy

mechanical energy

electromagnetic energy

thermal energy

5.

Multiple Choice

30 sec

1 pt

An electric motor converts electrical energy into -

kinetic energy

light energy

chemical energy

thermal energy

6.

Multiple Choice

30 sec

1 pt

What best describes the energy conversion that takes place in a microwave oven?

electrical to thermal to sound

chemical to thermal to light

electrical to light to thermal

nuclear to thermal to chemical

7.

Multiple Choice

30 sec

1 pt

Which example is NOT a fossil fuel?

petroleum

natural gas

coal

water

8.

Multiple Choice

30 sec

1 pt

An old lady uses a fan to cool off on a hot day. What type of energy conversion is occurring with the fan?

electrical to mechanical

heat to light

electrical to light

chemical to mechanical

9.

Multiple Choice

30 sec

1 pt

Energy is the ability to do -

nothing

power

work

energy

10.

Multiple Choice

30 sec

1 pt

All of the following are examples of transverse waves EXCEPT -

microwaves

sound waves

visible light

x-rays

11.

Multiple Choice

30 sec

1 pt

What types of energy are involved with plugging in & turning on a toaster?

nuclear, thermal, hydroelectric

nuclear, mechanical, electrical

thermal, mechanical, electrical

chemical, electrical, mechanical

12.

Multiple Choice

30 sec

1 pt

The waving hand of the man in the car is demonstrating what type of energy?

thermal

chemical

mechanical

radiant

13.

Multiple Choice

30 sec

1 pt

The headlights on the car have this type of energy.

thermal

chemical

mechanical

radiant

14.

Multiple Choice

30 sec

1 pt

The gasoline in the car has what kind of stored potential energy?

thermal

chemical

mechanical

radiant

15.

Multiple Choice

30 sec

1 pt

The exhaust coming from the exhaust pipe is what kind of energy?

thermal

chemical

mechanical

radiant

16.

Multiple Choice

30 sec

1 pt

A burning candle is in the process of transforming -

chemical energy into nuclear energy

chemical energy into mechanical energy

heat energy into chemical energy

chemical energy into light and heat

17.

Multiple Choice

30 sec

1 pt

A kitchen mixer converts electric energy into kinetic energy. What type of energy is lost to the environment in all transformations?

thermal

electrical

nuclear

radiant

18.

Multiple Choice

30 sec

1 pt

Which type of energy is produced by splitting of an atom?

nuclear

none

chemical

solar

19.

Multiple Choice

30 sec

1 pt

Energy that is produced by the internal motion of atoms is called -

heat energy

light energy

high energy

chemical energy

20.

Multiple Choice

30 sec

1 pt

What type of energy is inside the battery?

electrical

mechanical

heat

chemical

21.

Multiple Choice

30 sec

1 pt

Identify all forms of energy transfer in the diagram.

electrical to mechanical to thermal to sound

electrical to mechanical to sound

electrical to chemical to sound

electrical to mechanical to sound

22.

Multiple Choice

30 sec

1 pt

What type of energy does a roller coaster have when traveling downward?

kinetic

chemical

electrical

potential

23.

Multiple Choice

30 sec

1 pt

Which energy resource converts potential energy of falling water to kinetic energy to electrical energy while producing no air pollution?

nuclear

fossil fuels

hydroelectric

biomass

24.

Multiple Choice

30 sec

1 pt

Which example is NOT a source of chemical energy?

food

blender

fuel

betteries

25.

Multiple Choice

30 sec

1 pt

All of the following are examples of mechanical waves EXCEPT -

light waves

seismic waves

sound waves

water waves

26.

Multiple Choice

30 sec

1 pt

What is the best example of a device that converts electrical energy to light and sound

a toaster

a clock radio

a flashlight

an electric toothbrush

27.

Multiple Choice

30 sec

1 pt

What type of energy does this roller coaster car have at this moment?

potential

chemical

kinetic

nuclear

28.

Multiple Choice

30 sec

1 pt

What is the best example of a device that converts electrical energy to thermal energy

a toaster

a clock radio

a flashlight

an electric toothbrush

29.

Multiple Choice

30 sec

1 pt

What two forms of energy are shown in this burning candle?

potential and heat

mechanical and electrical

nuclear and light

heat and light

30.

Multiple Choice

30 sec

1 pt

What energy transfer is shown in this picture?

chemical to electrical to light

electrical to mechanical to chemical

mechanical to chemical to electrical

mechanical to light to chemical

31.

Multiple Choice

30 sec

1 pt

What best describes the energy conversion that occurs when you turn on a flashlight?

electrical to thermal to light

chemical to electrical to light

nuclear to electrical to thermal

kinetic to light to thermal

32.

Multiple Choice

30 sec

1 pt

Water flowing over a waterwheel causes the waterwheel to move. this is an example of -

mechanical energy

chemical energy

electrical energy

thermal energy

33.

Multiple Choice

30 sec

1 pt

Which of the following are NOT examples of kinetic energy?

roller coaster at the top of the first hill

roller coaster speeding down the first hill

Ball flying through the air on its way to a catcher

pistons moving up and down in an engine

34.

Multiple Choice

30 sec

1 pt

Which is NOT an example of chemical energy?

a lump of coal

an apple

a battery

a bolt of lightening

35.

Multiple Choice

30 sec

1 pt

Which of the following is NOT an example of kinetic energy?

A rock sitting on a ledge

Ball flying through the air on its way to a catcher

roller coaster speeding down the first hill

rocket shooting up through the air

36.

Multiple Choice

30 sec

1 pt

Heat always moves from

hot to cold

cold to hot

warm to hot

hot to hot

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