Show:
Light
Sound
True or False
Light & Sound
Light & Sound
100
An area where light does not strike the ground.
What is a shadow?
100
To move back and forth quickly.
What is vibration?
100
When you make a sound, it causes a vibration.
What is true
100

Bats use this form of light to locate objects.

What is echolocation?

100

Allows emergency vehicles to communicate in a noisy environment.

What are sirens and/or flashing lights?

200
A change that carries energy from one place to another.
What is a wave?
200
You can see through transparent materials.
What is true
300
It allows only some light to pass through.
What is translucent?
300

When light hits a mirror, it is reflected back in the same direction it came.

What is TRUE?

300

A form of energy that travels in waves.

What is sound?

400

Name two materials that are opaque.

What is cardboard, wood, concrete, metal, etc.

400

Name three types of sounds made by humans.

What is singing, stomping, yelling, clapping, finger snapping, whistling, etc.

400
Light travels through opaque objects.
What is false
500

The highness and lowness of a sound.

What is pitch?

500

Binoculars, photocopiers, cameras, and DVD players all contain a lens.

What is TRUE?

500

The bending of light as it passes at an angle from one type of matter to another.

What is refraction?