Sound waves travel as ________ waves.

• Transverse

• Longitudinal

• Surface

Sound is made when a source of energy forces the matter around it to __________.

• Vibrate

• Amplitude

• Stay still

• Pitch

Sound waves CANNOT travel through which of these:

• Paper

• Milk

• Outer space

Loudness of waves is measured in

• Hertz

• Decibels

• Watts

High frequency sounds have _______ pitch

• HIgh

• Low

High Amplitude =__________________

• Louder sounds
• Quieter Sounds

Low Amplitude = ______________

• Quieter Sounds
• Louder sounds

Sound is produced when something ______________

• Vibrates
• Moves through empty space

Low frequency = _______ Pitch

• Low
• High

High frequency = _______ Pitch

• High
• Low