Show:
Waves
Sound Energy
Light Energy
Definitions
Sound and Light
100
How high or low a sound is.
What is Pitch?
100
The back and forth movement of matter.
What is vibration?
100
Not letting light pass through.
What is opaque?
100

Bouncing of light off of an object

Reflect

100

The lowest point of a wave is called this.

Trough 

200

When particles move further apart as sound travels through them is called

Rarefaction
200
The loudness of a sound.
What is volume?
200
The bouncing of light off a surface.
What is reflection?
200

The number of vibrations per second

What is frequecy

200

The angles of reflection and incidence are both a)Funny looking b)The Same c)Different d)Acute

 b)the same?

300
Sound that is reflected from a surface is called this.
What is an echo?
300

A narrower drum produces a higher one of this compared to a wider drum

What is the pitch.

300
Letting some light pass through.
What is translucent?
300

Bending of light as it moves from one material to another

Refract

300

Waves transmit light, sound and this.

Energy

400

This is a measure of one crest of a wave to the next

What is a wavelength

400

The medium in which sound waves travel the slowest. a)Steel b)Water c)warm air d)cold air

What is d)cold air?

400

Allowing light to pass through

Transparent

400

A wave that has both electrical and magnetic properties and can travel through a vacuum

What is an electromagnetic wave

400

Echos reflect off of what type of surface?

hard surface

500

Waves do NOT transmit this. a)Sound b)Light c)Energy d)Matter

What is d)Matter

500

The measure of the volume of an object and the height of a wave from the midline

What is amplitude

500
This surface will bounce back almost all the light waves that hit it.
What is a mirror?
500

The speed at which a wave travels

What is the wave speed

500

Does light and sound travel the same? Explain 

No, light does not need a medium; While Sound does (gasses, solids and liquids)