A rapid back and forth movement is called vibration.

1. True

2. False

What is this a picture of?

1. a tuba

2. a trumpet

3. a xylophone

4. a kalimba

Pitch is:

1. How high or low a sound is.

2. How loud or soft a sound is.

Your ear is a sound receiver.

1. True

2. False

Volume is:

A. How high or low a sound is.

B. How loud or soft a sound is.

Which example is not a sound source?

A. a dog barking

B. an ear

C. a fire truck horn

Which xylophone bar has a higher pitch?

1. The shorter bar.

2. The longer bar.

3. It doesn’t matter they both have the same pitch.

Which object does not amplify a sound?

1. A speaker

2. A megaphone

3. A microphone

4. None of the above

A stethoscope is used to hear sounds in the body?

1. True

2. False