Electromagnetic Waves at home

Which type of light has the lowest energy of this group?

• Radio

• Microwave

• Infrared

• Ultraviolet

Electromagnetic waves vary in

• the speed they travel in a vacuum.

• wavelength and frequency.

• the way they reflect.

• the orientation of their electric and magnetic fields.

This wave has the second highest frequency on the spectrum. 

• microwaves

• visible light

• x-rays

• gamma ray

The higher the frequency the ______ the energy. 

• higher

• lower

• neither, stays the same

Which electromagnetic waves have the highest frequencies and the shortest wavelengths?

• microwaves

• visible light

• gamma rays

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

• ultraviolet rays

• x-rays

• gamma rays

How much of the electromagnetic spectrum is made up of visible light?

• only a small portion

• a very l;arge portion

• about half

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

What types of waves do cell phones use?

• Radio waves

• Gamma Rays

• Microwaves 

• Ultraviolet Rays

Which waves can reach great distances (Waves go into atmosphere and reflect back to Earth so that can move around the curvature of Earth)? 

• FM

• AM

• Radio 

• Microwaves