Light & Sound

What is light?

• a kind of energy that helps us run

• a kind of energy that lets us see

• a kind of energy that harms things

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NGSS.MS-PS4-2

How is light from the sun helpful?

• It helps us see when we are outside.

• It helps cars shine light on the roads.

• It helps light up the sky at night.

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NGSS.4-PS4-2

What do you use to help you walk along a path at night?

• flashlight

• campfire

• car headlights

What do you need to make a shadow?

• A camera

• A light source

• A large room

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NGSS.4-PS4-2

What happens to a shadow when an object moves farther away from a light source?

• It gets bigger.

• It gets smaller.

• It stays the same.

What must happen for an object to make sound?

• The object must get bigger.

• The object must get colder.

• The object must vibrate.

Tags

NGSS.MS-PS4-1

What is an alert?

• A kind of music

• A warning

• A vibration

Which makes a loud sound to warn you of danger?

• 
• 
• 

How does a cell phone give an alert?

• It turns off.

• It recharges.

• It beeps loudly.

How are light and sound used by a firetruck?

• To send an alert.

• To help people see.

• To start the engine.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2