Energy Review

Which of the following statements is true?

A. Sound and light are both kinds of energy.

B. Sound and light can travel through solids.

C. Both sound and light waves help you hear.

D. Both sound and light waves can be seen.

Light can pass easily through TRANSPARENT objects. Which object is

transparent?

A. WindowB. wallC. MittensD. Kettle

What is the biggest source of light?

A. Light bulbB. CandleC. FlashlightD. Sun

A television gives us information through what kinds of energy?

A. Mechanical and Thermal energy

B. Light and Mechanical energyC. Sound and Nuclear energyD. Light and sound energy

What might be the temperature outside on a cold

snowy day?A. 50 degrees FahrenheitB. 90 degrees FahrenheitC. 150 degrees FahrenheitD. 0 degrees Fahrenheit

Which tool can measure temperature?

A. compassB. balanceC. ThermometerD. ruler

All of the following objects produce or transmit sound energy

EXCEPT -

A. A tvB. A telescopeC. A fluteD. A guitar

Which example shows that heat can change an object?

A. Watching a video in slow motionB. Baking an apple pieC. Drawing a picture of the SunD. Riding a bike down a hill

Light and heat can change matter. What will happen to an ice cube if you

leave it in a sunny spot?

A. The ice cube will grow in size.B. The ice cube will turn into light.C. The ice cube will turn into a liquid.D. The ice cube will stay the same.

What helps our eyes see?

A. Sounds that bounces off an objectB. Heat that comes from an objectC. Smell that come from an objectD. Light that reflects off an object

Heating a home can take up a lot of energy. What could save

energy?A. Turning up the air conditionerB. Turning down the heater when

you are not homeC. Turning on the heater when you

are not homeD. Turning up the heater

How can you take heat away from water?

A. Put it in the freezerB. Measure itC. Weigh itD. Boil it

What type of energy does a furnace produce to keep a house warm in cold

weather?

A. Mechanical energyB. Sound energyC. Thermal energyD. Light energy

Which object is a source of natural light?

A. Light bulbB. FlashlightC. SunD. lamp

Which is FALSE?

A. Sound waves can be seen all around us.

B. Sound waves can travel through air.

C. Sounds waves can travel through solids.

D. Sound waves can bounce off things.

Which object is a source of light?

A. A pencilB. A notebookC. A campfireD. A ball

A thermostat controls the temperature. What does the prefix THERMO- mean?

A. HomeB. ControlC. HeatD. Fix

What will happen if you add heat to an ice cube?

A. It will change from a liquid to a gas.B. It will change from a liquid to a solid.C. It will stay the same.D. It will change from a solid to a liquid.

What type of energy bounces off a mirror and allows you to see your

reflection?A. Mechanical energyB. Light energyC. Thermal energyD. Sound energy