Sound 1
Sound 2
Light 1
Light 2
Misc.
100

Rapid back and forth motion that can occur in a solid, liquid, or gas.

What is vibration?

100

A reflected sound wave.

What is an echo?

100

Electromagnetic radiation that you can see.

What is light?

100

Material lets NO light through.

What is opaque?

100

Bouncing of a wave off a surface.

What is reflection?

200

A longitudinal wave, caused by vibration, that can only travel through matter.

What is sound wave?

200

The process that is used to locate an object by using reflected sounds

What is echolocation?  
200

Any instrument used to produce or control light.

What are optical devices?

200

Material lets ALL light through.

What is tranparent?

200

Material through which a wave passes.

What is a medium?

300

What happens to volume of a sound when amplitude lessens?

It gets softer
300

The study of how sound interacts with structures.

What is acoustics?

300

Object that can be seen because it produces its own light.

What is luminous? 

300

Material lets MOST light through.

What is translucent?

300

When waves pass through an object.

What is transmission?

400

A unit used to measure the intensity (loudness) of a sound.

What is a decibel?

400

What happens to pitch when frequency increases?

It gets higher

400

Object can be seen because it REFLECTS light.

What is illuminated?

400
The change in direction of a wave as it changes speed while moving from one medium to another.

What is refraction?

400

When a wave is reflected from a surface, the angle of reflection is equal to the angle of incidence.

What is the Law of Reflection?

500

The change of pitch when a sound source is moving in relation to an observer.

What is the Doppler Effect?

500
The collection of reflected sounds in a closed space.

What is reverberation? 

500

A mirror that curves inward.

What is concave?
500

A lens that is thicker at the edges and thinner in the middle.

What is concave?

500
The transfer of energy by a wave to the material through which the wave travels.

What is absorption? 

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