Light Waves

These graphs show the wavelength and amplitude of light coming from three lasers. Could any of these lasers be giving off a different type of light?

• Yes. Laser 2 could be giving off a different type of light because Laser 2 has a different wavelength than Lasers 1 and 3.

• Yes. Laser 3 could be giving off a different type of light because Laser 3 has a different amplitude than Lasers 1 and 2.

• No. All three lasers must be giving off the same type of light because all three are lasers.

Tags

NGSS.MS-PS4-1

Light from different sources can have different effects on material because...

• materials are different.

• sources can emit the same types of light.

• light sources can emit different types of light.

• materials can reflect energy.

Tags

NGSS.MS-PS4-2

the distance from one peak of a wave to the next is the ____

• frequency

• wave

• wavelength

• amplitude

an object that emits light is a ___

• light source

• light

• energy

• emit

Match these wave parts

a

b

c

d

Wavelength

Crest

Trough

Amplitude

Tags

NGSS.MS-PS4-1

Which wave in the diagram has the greatest frequency?

• 1

• 2

• 3

• 4

The different types of light waves given off by the sun are known as the...

• light wave spectrum

• electromagnetic spectrum (EMS)

• sound spectrum

What are the different types of light the sun gives off ? (read carefully)

• gamma, x-rays, UV, visible, sound waves, microwave, radio

• gamma, x-ray, UV, visible, infrared, microwave, radio

• gamma, x-ray, UV, invisible, sound waves, microwave, radio

Different types of light can be identified by their...

• amplitudes

• frequencies

• peak

• wavelengths

Tags

NGSS.HS-PS4-1

Which type of sunlight can cause skin cancer?

• Microwaves

• gamma rays

• Ultraviolet light

• radio waves

Tags

NGSS.HS-PS4-4