sound

Sound travels through solids.

• True
• False

1.  Sound can’t travel through liquids.

• True
• False

1.  Sound travels through gas.

• True
• False

1.  Sound travels fastest through gases (air).

• True
• False

Sound is caused by? 

• force
• vibrations
• instruments

Sound travels FASTEST through which of these materials?

• Air
• Empty space
• Metal
• Water

Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch

The pitch of a stringed instrument can be affected by 

• an object called a hammer
• the size of a player's fingers
• the length of its strings
• how hard it is struck or plucked

Why does cupping your hands around your mouth when you shout make the sound travel further?

• The sound spreads out.
• Your voice gets louder.
• You are screaming.
• The sound energy is directed in one direction.

What would happen if you tighten the strings on a guitar?

• it would make a low pitch sound
• it would make a high pitch sound
• it produces a slow vibrations
• it produces low frequency