facebook Communicating with Light & Sound | Grades K-2 Science Reading [PDF]
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Reading Material

Read About Communication

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fire truck loud siren is painful to scientist
DEFINITION OF COMMUNICATION

Communicate means to send or receive a message. People can communicate over distances using light and sound in a variety of ways.

To better understand how communication over distances work…

DEFINITION OF COMMUNICATION. Communicate means to send or receive a message. People can communicate over distances using light and sound in a variety of ways. To better understand how communication over distances work…

LET’S BREAK IT DOWN!

Light is used to communicate over distances.

kids read books with flashlight under covers

Light allows us to see in the dark and it can travel very long distances. An ambulance has flashing lights which communicate to people that there is an emergency and they should get out of the way.

Light is used to communicate over distances. Light allows us to see in the dark and it can travel very long distances. An ambulance has flashing lights which communicate to people that there is an emergency and they should get out of the way.
kids read books with flashlight under covers

Sound is used to communicate over distances.

guitar strings vibrate generating sounds

Sound is made by vibrations and we hear sound with our ears. Sound can also travel long distances. A police siren is loud to tell people that there is an emergency.

Sound is used to communicate over distances. Sound is made by vibrations and we hear sound with our ears. Sound can also travel long distances. A police siren is loud to tell people that there is an emergency.
guitar strings vibrate generating sounds

Traffic lights communicate using light.

stoplights change colors to communicate with drivers

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