2 Sound

This is the unit used to measure the volume of a sound. 

• Decibel
• Medium
• Vibration
• Oscilloscope

What happens when you increase the amplitude of a sound?

• it makes the sound louder
• it makes the sound travel faster
• it increases the wavelength of the sound
• it increases the frequency of the sound

What is a pitch?

• highness or lowness of a sound
• the intensity of a vibration
• the amplitude of the sound wave
• volume of sound

Sound is caused by....

• molecules
• vibrations
• people
• space

High pitch sounds are caused by a ______ vibration

• fast 
• slow
• hard
• soft

How will loud sound affect your hearing? 

• More Ear Wax 
• Make it better 
• Damage it 
• No affect 

Which device measures sound waves?

• Oscilloscope
• Stethoscope 
• Radio
• I don't know

If a sound has a high amplitude then it also has a ____________!!!

• fast echo
• slow pitch
• high volume
• low volume

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

A sound with a high frequency has a _____ pitch. A sound with a ____ frequency has a low pitch.

• high, low

• low, high

• medium, high

• high, medium