1. Sound
What do you know?

2. For 10 points: Pitch is determined by…
Frequency
For 10 points: Pitch is determined by…

3. Light
For 30 points: Sound is a form of energy that travels as waves, what else travels this way?

4. It changes the pitch
For 40 points: When you stretch a rubber band more or less tightly, what happens?

5. Lower your volume (be quiet)
For 20 points: If someone tells you, “Lower your sound wave amplitude!”, they want you to…

6. The TV is softer to you
For 10 points: Your friend is standing 2 feet away from the TV and you are standing 10 feet away. The TV sounds softer to who?

7. For 30 points: Draw a wave with the wavelength labeled.

8. For 40 points: How is sound measured?
In Decibels
For 40 points: How is sound measured?

9. For 20 points: Sound travels fastest or slowest through a solid?

10. For 40 points: What is wave frequency?
The number of crests or troughs of a sound wave over a given period of time.
For 40 points: What is wave frequency?

11. Air particles vibrate
For 50 points: When the strings of a guitar are plucked, the sound is produced when…

12. For 10 points: A string produces sound waves when…
The string is plucked
For 10 points: A string produces sound waves when…

13. A higher pitch
For 30 points: If someone’s vocal cords vibrate at a higher frequency, their voice will be what kind of pitch?

14. For 40 points: Which part of your ear gather sound waves?
Your outer ear
For 40 points: Which part of your ear gather sound waves?

15. That sound travels as waves in vibrating matter
For 20 points: When you place the tip of a vibrating tuning fork into water, you will see…

16. For 50 points: Why can a piano play a variety of notes?
Different strings in the piano produce different pitches
For 50 points: Why can a piano play a variety of notes?

17. The Eardrum
For 20 points: Which part of the ear passes vibrations to the middle ear?

18. For 40 points: Why do instruments sound different?
They produce different pitches
For 40 points: Why do instruments sound different?

19. For 40 points: What do the curved lines around an object show?
Sound waves travel outward as the object causes the air to vibrate.
For 40 points: What do the curved lines around an object show?

20. The amplitude of a sound wave
For 50 points: The measure of how pushed together or spread apart the particles are, is known as…

21. The different amounts of liquid result in different pitches.
For 50 points: Why are different sounds produced when someone blows air across bottles filled with different amounts of liquid?