Light
Review
Waves
Vocabulary
Analog & Digital Signals
100

What electromagnetic Wave can Humans see ? 

Light 

100

True or False

Increasing the amplitude of a sound wave makes it louder because it increases the energy transferred by the wave.

True

100

The number of wavelengths that pass a given point per second

Frequency

100

A Wave that needs a medium to travel thru is considered a 

Mechanical Wave

100

Which type of signal is made up of a continuous uninterrupted wave that is streaming information or data?

Analog Signals

200

What colors does a black shirt reflect ? 

None

200

The high point of a transverse wave

Crest 

200

How fast a wave travels is known as ________.

wave speed

200

Which type of wave is emitted from the Sun and does not need a medium to travel?

Electromagnetic

200

What type of signal maintains quality over a long distance without breaking down?

Digital Signal

300

Which type of wave does not need a medium to transfer energy?

What is electromagnetic!

300
The distance between two like points in a wave
Wavelength
300

The matter that mechanical waves travel through is known as ____________.

Medium

300

The measure of how high or low a wave is

Amplitude

300

 What type of signal is more affected by noise?

Analog Signal

400

What happens to the speed of light when it goes thru water? 

It Slows down 
400
What is the main type of wave uses matter to transfer energy?
Mechanical Wave
400

The higher the frequency, the ______________ the wavelength. 

a. longer

b. shorter

c. higher

b. shorter

400

The low point of a transverse wave

Trough

400

What type of wave uses 0's and 1's and allows for exact replication?

Digital

500

Light travels through some materials more easily than others. When light passes through matter we call that ____________________________.

absorption

reflection

transmission

transmission

500

Why does increasing the amplitude of a sound wave make it louder?

a.  It lengthens the wavelength.

b.  It increases the wave's frequency.

c.  It increases the energy transferred by the wave.

d. It decreases the wave's speed.

c.  It increases the energy transferred by the wave.

500

The rhythmic disturbance that carries energy and NOT matter

a Wave!

500

An Ocean wave is an example of what type of wave? 

Compression, Longitudinal, Light, Sound 

Longitudinal Wave

500

What type of signal is easier to compress and store?

Digital