Energy Review

1
Energy Review
2
Which of the following statements is true?

1. Sound and light are both kinds of energy.
2. Sound and light can travel through solids.
3. Both sound and light waves help you hear.
4. Both sound and light waves can be seen.

3
Light can pass easily through TRANSPARENT
objects. Which object is transparent?

• Window
• wall
• Mittens
• Kettle

4
What is the biggest source of light?

1. Light bulb
2. Candle
3. Flashlight
4. Sun

5
A television gives us information through what
kinds of energy?

1. Mechanical and Thermal energy
2. Light and Mechanical energy
3. Sound and Nuclear energy
4. Light and sound energy

6
What might be the temperature outside on a cold
snowy day?

1. 50 degrees Fahrenheit
2. 90 degrees Fahrenheit
3. 150 degrees Fahrenheit
4. 0 degrees Fahrenheit

7
Which tool can measure temperature?

1. compass
2. balance
3. Thermometer
4. ruler

8
All of the following objects produce or transmit
sound energy EXCEPT -

1. A tv
2. A telescope
3. A flute
4. A guitar

9
Which example shows that heat can change an
object?

1. Watching a video in slow motion
2. Baking an apple pie
3. Drawing a picture of the Sun
4. Riding a bike down a hill

10
Light and heat can change matter. What will
happen to an ice cube if you leave it in a sunny
spot?

1. The ice cube will grow in size.
2. The ice cube will turn into light.
3. The ice cube will turn into a liquid.
4. The ice cube will stay the same.

11
What helps our eyes see?

1. Sounds that bounces off an object
2. Heat that comes from an object
3. Smell that come from an object
4. Light that reflects off an object

12
Heating a home can take up a lot of energy. What
could save energy?

1. Turning up the air conditioner
2. Turning down the heater when you are not home
3. Turning on the heater when you are not home
4. Turning up the heater

13
How can you take heat away from water?

• Put it in the freezer
• Measure it
• Weigh it
• Boil it

14
What type of energy does a furnace produce to
keep a house warm in cold weather?

1. Mechanical energy
2. Sound energy
3. Thermal energy
4. Light energy

15
Which object is a source of natural light?

1. Light bulb
2. Flashlight
3. Sun
4. lamp

16
Which is FALSE?

1. Sound waves can be seen all around us.
2. Sound waves can travel through air.
3. Sounds waves can travel through solids.
4. Sound waves can bounce off things.

17
Which object is a source of light?

1. A pencil
2. A notebook
3. A campfire
4. A ball

18
A thermostat controls the temperature. What does
the prefix THERMO- mean?

• Home
• Control
• Heat
• Fix

19
What will happen if you add heat to an ice cube?

1. It will change from a liquid to a gas.
2. It will change from a liquid to a solid.
3. It will stay the same.
4. It will change from a solid to a liquid.

20
What type of energy bounces off a mirror and
allows you to see your reflection?

1. Mechanical energy
2. Light energy
3. Thermal energy
4. Sound energy