Sound

Sound is caused by? 

• force
• vibrations
• instruments

What is vibration?

• how loud a sound is
• the back and forth movement of matter
• how high or low a sound is
• the loudness or softness of a sound

What is frequency?

• the number of vibrations per second
• how high or low a sound is
• the loudness or softness of a sound
• the back and forth movement of matter

Sound is a form of? 

• energy
• pitch
• volume

Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch

A longer string makes a _______ pitch than a short string.

• louder
• softer
• higher
• lower

The highest pitch is made by the _______ instrument.

• biggest
• wooden
• smallest
• shiniest

An object that does not vibrate cannot produce

• sound
• light
• heat
• electricity

What is volume?

• how high or low a sound is
• the loudness or softness of a sound
• the number of vibrations per second
• vibrations

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.