Unit 7: Sound

Sound is - (a)  

• mechanical energy
• chemical energy
• not energy

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

An (a)   is a reflected sound.

• Vibration
• Echo
• Pitch
• Volume

Tags

NGSS.MS-PS4-2

(a)   means to move back and forth quickly.

• Pitch
• Amp (Amplitude)
• Vibrate (vibration)
• Echo

(a)   is the amount of energy in a sound wave.

• Amplitude
• Frequency
• Compression

Tags

NGSS.MS-PS4-1

Sound is a form of energy produced by (a)   .

• vibrations
• distances
• prisms
• chemicals

Sound waves travel the FASTEST through (a)   .

• gases
• liquids
• solids

If a sound has a high amplitude then it also has a (a)   !!!

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

Tags

NGSS.MS-PS4-1

Sound moves in a (a)   .

• Transverse (straight line) wave
• Longitudinal (compression) wave

A place where no sound exists is (a)  

• in the air
• under water
• space
• all of the above

We measure pitch in (a)  

• Volume
• Decibles
• Amplitude
• Hertz

Answer explanation

High pitches hurt!