Characteristics
EM Spectrum
Equations
Mechanical Waves
EM Waves
100

The material through which a wave travels is the __________.

Medium

100

T or F:

Sound waves are on the EM spectrum.

False

100

The equation for wavelength is?

S/F

100

mechanical waves form when a source of WHAT causes a medium to vibrate 

energy 

100

An EM is ______ wave.

transverse

200

_______ is transferred by waves.

Energy

200

This wave is commonly used to examine one's bones. 

X-rays

200

The equation for frequency is?

S/W

200

what are the three type of waves 

transverse, longitudinal, and surface waves 

200

EM wave are made up of vibrating _______and______.

electric and magnetic energy

300

A disturbance involving the transfer of energy is ______.

A wave

300

Which wave has the lowest frequency?

Radiowaves

300

The equation for speed is?

FxW

300

what does vibration do to an object 

a repeated back and fourth or up and down motion 

300

EM waves start with the movement of changed particles. T or F

True

400

The more energy a wave has, the greater its ________.

Amplitude

400

RADAR uses this to track distance/speed.

Microwaves

400

You can calculate the speed of a wave by dividing the ___ by the ____ needed to travel the distance.

Distance, Time

400

Refraction is _______

particles that are spread out 

400

The electric and magnetic field produce each other_________.

repeatedly

500

The amplitude of a longitudinal wave is a measure of how ______ or ______ the medium becomes. 

Compressed or Rarefied

500

These waves are harmful to humans, but also help produce vitamins. 

UV waves

500

The speed of a wave will not change if ___,____ and ____ do not change.

Medium, temperature, pressure

500

what part of a wave is the highest point and the lowest point of a wave 

crest, trough

500

The electric and magnetic fields vibrate at a ________ angle to each other resulting in an EM wave.

right