Sound Review

Can be heard when objects vibrate.

• Vibration

• Pitch

• Volume

• Thickness

• Sound

Loudness or softness of sound

• Vibration

• Pitch

• Volume

• Thickness

• Sound

A quick back and forth movement of an object

• Vibration

• Pitch

• Volume

• Thickness

• Sound

How high or low a sound is

• Vibration

• Pitch

• Volume

• Thickness

• Sound

How wide an object is

• Vibration

• Pitch

• Volume

• Thickness

• Sound

Which of the following happens when an object begins to vibrate?

• It is silent.

• It makes a sound.

• It is still.

• It falls to the ground.

Joseph and Veronica attach aluminum cans together with string. When Joseph spoke into one end, Veronica could hear him on the other end. What caused this to happen?

• Electricity was flowing through the string.

• Radio waves were made by the cans.

• Vibrations were carried across the string.

• Echoes were created by the cans.

Sound can travel through all types of matter but travels at different __________.

• volumes

• speeds

• times

• pitches

What happens to pitch if the volume is increased?

• It increases.

• It decreases.

• It becomes softer.

• It stays the same.

Assume that they are all the same distance from your ear. Which list correctly orders the sounds from loudest to softest?

• police siren, dog barking, bird chirping

• police siren, bird chirping, dog barking

• bird chirping, dog barking, police siren

• dog barking, police siren, bird chirping