Gr.5 Changing volume 2.3

Sound is energy.

• True

• False

Loud sounds have

• alot of energy

• have some energy

• little energy

Sound travels the best in

• Air

• Water

• Solids

Big vibrations make loud sounds.

• True

• False

High sound have fast vibrations

• True

• False

Sound travels in a vacuum

• True

• False

Sounds will get louder over lang distances

• True

• False

We can increase the volume of sound by

• Muffling it

• Silence it

• Amplifying it

• standing far away from it

Decibels is the unit of measure for

• Pitch

• Distance

• Sound

• Volume

I can change the volume of a bell by

• hitting it harder

• making it bigger

• making it smaller

• standing closer to it