Light
Electromagnetic Spectrum
Speed
Electromagnetic Spectrum II
Parts of a Wave
100
These waves do not need a medium.

Electromagnetic Waves.

or EM Waves

100

These types of wave can travel through both matter and empty space

Electromagnetic Waves

or 

EM Waves

100

300,000,000 m/s is also know as the ______ of _________.

speed, light

100

What makes some EM waves safe and some dangerous?

They have different frequencies that carry different amounts of energy.

100

What is the #4 pointing to in this picture?

trough

200

Which color on the visible light spectrum has the longest wavelength?

Red

200

Wavelength and frequency have an _______ relationship.

inverse (or opposite)

200

Sound waves travel fastest in what type of medium?

Solid

200

High frequency means more ______.

Energy

200

What is #2 pointing to in this picture?

amplitude

300

Which color on the visible light spectrum has the shortest wavelength?

Violet

300

Which EM wave has the highest frequency and energy?

Gamma Rays

300

Light waves travel fastest in which type of medium? (except for empty space)


Gas


300

An EM wave with a similar frequency to X-rays is _________.

Gamma

300

What is #1 pointing to in this picture?

wavelength

400

What is the order of the visible light spectrum?

ROY G BIV

Red, orange, yellow, green, blue, indigo, violet.

400

Electromagnetic waves are disturbances in _________ and _________ fields.

electric, magnetic

or 

magnetic, electric

400

These waves move at a speed of 300,000,000 m/s in a vacuum.

EM Waves

or 

Electromagnetic Waves

400

Which two parts of the electromagnetic spectrum are close to visible light?

Infrared Light and Ultraviolet Light

400

What is #3 pointing to in this picture?

crest


500

Recite the colors of the visible light spectrum in order of increasing wavelength.

Violet, Indigo, Blue, Green, Yellow, Orange, Red


500

Which wave in the EM spectrum has the longest wavelength and lowest frequency and energy?

Radio waves

500

Why do we see lightning before we hear the accompanying thunder?

Light travels faster than sound.

500

Electromagnetic waves carry this type of energy

Radiant energy

500

What type of wave is this? (transverse or longitudinal)

Transverse

M
e
n
u