Sound Energy - Week 7

1. Which of the following is an example of a source of sound energy?

• a. A light bulb glowing

• b. A stationary car

• c. A glass on a table

• d. A guitar string vibrating

2. Sound is made when things:

• a. Melt          

• b. Vibrate          

• c. Freeze         

• d. Disappear

3. We hear sounds because our ears:

• a. Catch sound waves

• b. Make light waves

• c. Store energy

• d. Change color

4. Which of these is an example of sound energy helping us stay safe on the road?

• a. A car horn     

• b. A whisper     

• c. A clap      

• d. A sneeze

5. Sound travels fastest through:

• a. Air                 

• b. Water            

• c. Jelly        

• d. Steel

True or False.

6. 6. Sound travels faster through air than through water?

• a. True

• b. False

True or False.

7. We can use sound energy to communicate with each other

• a. True

• b. False

True or False.

8. Sound can only travel through solids, not liquids or gases.

• a. True

• b. False

True or False.

9. Musical instruments create sound energy through vibrations.

• a. True

• b. False

True or False.

10. Sound energy can be harmful if it's too loud.

• a. True

• b. False