Light and sound

Moving back and forth quickly is

• Vibration

• Force

Light waves are

• Electromagnetic

• Short

If the vibration of a sound gets stronger which of the following will be true?

• The sound will get louder

• The sound will get quieter

Annie is shaking a sheet of metal to make the sound of thunder for her school play.

What is true for people sitting in the back of her?

• The volume will be quiter.

• The volume will be louder.

Rachel is playing her drums when her mother asks her to lower the volume. What should Rachel do to please her mother?

• Hit the drums with more force.

• Hit the drums with less force.

Sound can travel through

• a) Air

• b) vacuum

• c) solids

• d) both a) and c)

What type of energy might wake you up in the morning? 

• electrical 
• sound 
• heat

Sound travels through solids.

• True
• False

How is sound produced by these instruments?

• Striking the surface
• vibrating particles of air

• plucking the strings

Who would hear the song at the lowest volume?

• child 1

• child 2

• child 3

• child 4