Sound Test Review

Area of a longitudinal wave where particles are CLOSE together.

• Compression
• Rarefaction

Area of a longitudinal wave where particles are APART. 

• Compression
• Rarefaction

Soft surfaces _______ sound waves. 

• Reflect
• Absorb

Sound travels FASTEST through which of these materials?

• Air
• Empty space
• Metal
• Water

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

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

Why is sound able to travel faster through a solid than a gas?

• Gas molecules are packed tightly.
• Sound does not travel faster through a solid than a gas.
• Solid molecules are packed tightly.
• Gas molecules move slowly.