G1 SCIENCE UNIT SOUND

... are everything we can hear

• Sounds

• Loud

• Quieter

• Source

• Travel

When sound travels away from a source, it becomes ...

• Sounds

• Loud

• Quieter

• Source

• Travel

Sounds ... in the air. We hear them when they reach our ears

• Sounds

• Loud

• Quieter

• Source

• Travel

Sounds travel in the air.

We hear them when ...

• they reach our ears

• they do not reach our ears

• Quieter

• Source

• Travel

Sounds ... in the air.

We hear them when they reach ...

Anything that makes a sound is called a ... of sound

• Sounds

• Loud

• Quieter

• Source

• Travel

The humming of a fan is a quiet sound.

The siren of an ambulance is a ... sound

• Sounds

• Loud

• Quieter

• Source

• Travel

The humming of a fan is a ... sound

The siren of an ambulance is a ... sound

An object that receives sound is a source of sound

• True

• False