Energy

Which of the following is NOT mechanical energy?

• pedaling a bike

• rowing a boat

• light bulb

• running up a hill

Heat is another name for

• thermal energy

• electrical energy

• hydraulic energy

What type of energy does an oven produce?

• light

• heat

• light and heat

• none of the above

How is light energy different than sound energy?

• light energy moves slower

• light energy is what you see and sound energy is what you hear

• light energy uses vibrations and sound energy does not

Which of the following does NOT produce light energy ?

• car

• computer

• picture frame

All of the following are examples of things that produce light energy EXCEPT

• candle

• compass

• desk lamp

• flashlight

All of the following produce sound energy EXCEPT

• a radio

• a flashlight

• drum

• Tv

Sound is caused by

• force

• instruments

• air

• vibrations

What machine changes electrical energy into light and sound energy

• battery

• lightbulb

• alarm clock

• apple

What object can change electrical energy into light energy?

• a candle

• a fire

• a lamp

• a radio