Electromagnetic Spectrum

These waves have the longest wavelength and are used to carry signals for radar, TV and radio.

• radiowaves

• microwave

• infrared

• ultraviolet

Radio waves and _______ are used in communication

• Microwaves

• Gamma rays

• Visible light

• Ultraviolet

Tags

NGSS.MS-PS4-2

Which electromagnetic waves are used in ovens and cell phone communications?

• Infrared rays

• ultraviolet rays

• microwaves

Tags

NGSS.MS-PS4-2

Which color waves have the shortest wavelength?

• red

• yellow

• green

• violet

Tags

NGSS.MS-PS4-1

Infrared radiation can be used to take special pictures called thermographs. “Graph” means “image”. What can you infer about the prefix “thermo”?

• It means “light”

• It means “energy”

• It means “heat”

• It means “radio”

Tags

NGSS.MS-PS1-4

Which wavelength can humans see?

• Microwaves

• Radio waves

• Visible light

• Gamma rays

Electromagnetic waves that help your body produce vitamin D are called?

• ultraviolet rays

• x-rays

• gamma rays

Tags

NGSS.MS-PS4-1

Which of the following lists the electromagnetic waves in order of decreasing frequency?

• X-rays, microwaves, infrared rays

• UV rays, visible light, x-rays

• infrared rays, microwaves, radio waves

These waves from the sun cause sunburn.

• Gamma
• Microwaves
• Radio
• Ultraviolet

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

Xrays cannot penetrate the skin

• true

• false

Tags

NGSS.MS-PS4-2