Sound

What is sound?

What do we call the moving vibrations of sound?

• Timbre

• Sound waves

• Amplitude

• Sound waver

What do you do when you want to hear a sound more clearly?

In which medium does sound travel the fastest?

• Liquid

• Solid

• Gas

• Plasma

What is amplitude?

What unit do we use for the frequency of sound?

• Omega

• Lamda

• Decibels

• Hertz

The study of sound made by wildlife is called:

• Wildlife sounds

• Biodecibels

• Bioacoustics

• Nature recordings

What item did people use in old times that created a sonic boom when used properly?

Animals like elephants and whales communicate with one another using:

• Ultrasound

• Infrasound

• Extrasound

Sound travels faster is cold air.

• True

• False