Block 9. Day 1 FACT or FAKE Read each statement below and decide if the statement is “fact” or “fake."
1. Sound energy travels through the air in waves.
2. Sound travels faster in water than in air.
3. Sound can travel in outer space.
4. Loud sounds can damage your ear drum.
5. Refraction happens when a sound wave hits a solid flat surface.
6. To increase the loudness of a wave, you would increase the pitch.
7. A sound wave is a type of kinetic energy.
8. Sound is produced by vibrating objects.
9. The pitch of a sound on a guitar can be altered by changing the length of a string.
10. Unlike light, sound waves cannot be reflected.
11. Sound can travel in all directions from a source.
12. Loud sounds can alter an ecosystem. ​