sound revision

What is pitch?

• How loud or soft a sound is.

• When you throw a baseball.

• How high or low sound is.

• The sound that you hear.

Sound can be affected by:

• pitch

• music

• volume

• touch

How is sound created?

• Through light

• Through pitch

• Through vibrations

• Through frequencies

1. _________ results from vibrations and how these vibrations can travel through different materials.

• Sound
• Volume
• Pitch
• Music

2. What is the back and forth movements that occur very quickly?

• pitch
• sound
• vibration
• volume

3. Sound vibrations cannot travel through solids, liquids, and gases.

• True
• False

4. Sound vibrations can travel through some materials better than others. Which of the following statements is true?

• Sound travels through liquids better than through air.
• Sound travels through gases better than through liquid.
• Sound travels through a solid better than through air.
• Sound travels through air better than a liquid.

5. _________ is a measure of how high or low something sounds and is related to the speed of the vibrations that produce the sound.

• Sound
• Vibration
• Pitch
• Volume

9. Changing the length of the vibrating material cannot change the pitch.

• True
• False

13. Johnny is walking down the hall and noticed that the music is getting louder. Why is the music getting louder?

• He is walking away from the source of the music.
• He is walking toward the source of the music.