light & communication

How does an emergency vehicle communicate with people?

• lights
• sound
• light and sound
• music

Tags

NGSS.MS-PS4-1

What allows us to see objects in the dark?

• sound
• hands
• TV
• light

Tags

NGSS.4-PS4-2

What does a red light tell you to do when you are in your car?

• go
• stop
• slow down
• go fast

Flashing car lights is an example of using ______ to communicate.

• sound
• music
• light
• singing

Which is NOT used by people to communicate over long distances?

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Which tool uses light to communicate?

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What sense must a person use to know when to stop at a traffic light?

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Which 2 use light to communicate an emergency?

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is when information is passed from a sender to a receiver.

• information

• communication

• signals

• analog signals