Sound
Light
Light or Sound
100
Anything that can be heard and is a form of energy.
What is Sound?
100
The bouncing back of light waves when they hit an object with a very smooth and shiny surface, like a mirror.
What is Reflection?
100
Light travels this way.
What is a Straight Line?
200

How is sound created?

With vibrations that move back and forth.

200

What is it called when light passes through an object and bends.

Refraction

200
Sound travels this way.
What are Waves?
300

What are two devices that use sound?

Answers may vary (e.g. car, speakers)

300

When light rays are fully blocked and you cannot see through it. This is an ________ object. 

Opaque

300

What are two things that may emit light?

Answers may vary (e.g. sun, lightbulb)

400

How does sound travel?

In sound waves?

400

This material lets all light pass through it. 

What is a transparent object?

400

Provide 2 examples of materials that may absorb sound?

Answers may vary: blanket, foam, curtain

500

What is loud and constant noise that may affect the environment?

What is Noise Pollution?

500

What type of solution is bright, artificial light that may impact humans sleep?

What is Light Pollution?

500

Sound needs this in order to travel. 

What is a Medium (eg, air, water or stone). 

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