electromagnetic waves with the longest wavelengths are

• gamma rays
• x-rays
• infrared waves
• radio waves

Which waves are the type that can give us suntans and sunburns?

• Infrared radiation
• Ultraviolet radiation
• Radio waves
• X-rays

In visible light, which color has the longest wavelength?

• Red
• Violet
• Yellow
• Green

Which rays can be felt as heat?

• X-Rays
• Infrared Radiation
• Ultraviolet Radiation
• Microwaves

Cancer can be treated with_______________waves.

• Penicillin
• Radio
• Infrared
• Gamma

Electromagnetic waves________________travel through space.

• Never
• Cannot
• Can
• Wish they could

The blue section of the wave is measuring _________________.

• wavelength
• crest
• trough
• amplitude 

The acronym (letters) used to remember visible light is____________

• KTPERRY
• ROYGBIV
• DOGPOUND
• ROMERO

_____________________light is the only type of EM wave detected by the human eye.

• Red
• Gamma
• Microwave
• Visible

The orange line is measuring the _________________________.

• wavelength
• amplitude
• crest
• trough