Sound 1

What is sound?

• The vibration of particles

• The mixing of atoms

• The bouncing of compounds

What type of wave is a sound wave?

• Longitudinal wave

• Transverse wave

• Water wave

• Electromagnetic wave

What do we call the part of a longitudinal wave where particles are CLOSE together?

• Compression

• Rarefaction

• Vibration

• Echo

What do we call the part of a longitudinal wave where particles are APART?

• Compression

• Rarefaction

• Vibration

• Echo

The reflection of sound waves off of a hard surface can create ________.

• an echo

• a wave

• a vibration

• a compression

Which medium does sound travel FASTEST through?

• Air

• Water

• Metal

• Space

What is a vibration?

• the pitch of a sound

• the volume of a sound

• the back and forth of particles

• a musical instrument

Sound is measured in _______.

• Decibels (dB)

• Amperes (Amp)

• Meters (m)

• Liters (L)

Amplitude is the ___________________.

• height of the wave

• the highest point of the wave

• the lowest point of the wave

• the number of waves in 1 second

Frequency is the ___________________.

• height of the wave

• the highest point of the wave

• the lowest point of the wave

• the number of waves in 1 second