Sound

Sound is a form of energy produced by ______________.

• Vibrations

• Distances

• Prisms

• Forces

A place where no sound exists is...

• in the air.

• under water.

• space.

• all of the above

how high or low a sound is

• frequency
• volume
• vibration
• pitch

High pitches are produced by objects vibrating _______________.

• quickly
• slowly

Which object will produce a loud sound?

• A person whisper

• A bird chirping

• An airplane flyby

• A mouse's squeak

We ________ sounds when the vibrations reach our ears.

• See

• Feel

• Taste

• Hear

We use sounds to ________.

• communicate

• warn

• entertain

• all of the above

We CAN NOT produce sounds when we _____________.

• hit a box

• are in space

• pluck the strings of a guitar

• blow air into a whistle

There is a loud and soft sound. Which picture shows a soft sound?

• 
• 
• 

The sound of thunder is ________.

• soft

• loud

• high-pitched