EM Spectrum

EM Spectrum

Fill in the Blank

In what way are radio waves, microwaves, visible light, and x-rays considered to be the same thing?

They are all _____.

Fill in the Blank

How does energy move from place to place?

Multiple Choice

Waves with a low frequency have _____ energy. Waves with a high frequency have _____ energy.

• low; low

• low; high

• high; high

• high; low

Multiple Choice

How is the electromagnetic spectrum arranged?

• From low to high energy.

• From long to short wavelength.

• From low to high frequency.

• All of the above.

Fill in the Blank

To humans, infrared waves feel like _____.

Multiple Choice

What type of electromagnetic radiation do human eyes detect?

• radio waves

• microwaves

• infrared

• visible light

Fill in the Blank

All the colors of visible light put together are the color _____.

Multiple Choice

What color is the sun?

• yellow

• orange

• white

• blue

Multiple Choice

Why is the sky blue?

• Light reflecting off the ocean.

• Short, blue wavelengths scatter and get stuck in the atmosphere.

• The black sky gets brightened by the sun to create blue.

• Blue light reflects off dust particles in the air.

Multiple Select

At sunrise and sunset, the sky is NOT blue because...

• the short wavelengths (like blue) get scattered away.

• only the long wavelengths like orange, yellow, and red get through the atmosphere.

• the light is reflecting off the pollution in the air.

• we can see the true colors of the sun which are yellow and orange.