Em and Color Pop Quiz

Multiple Choice

Wave with the longest wavelength

• microwave
• radio
• gamma
• visible light

Color

Open Ended

When red light shines on a red rose, why do the leaves become warmer than the petals?

Multiple Choice

What color does white light minus yellow light appear?

• blue

• green

• red

• magenta

Multiple Choice

What color does white light minus green light appear?

• red

• blue

• green

• magenta

Open Ended

Explain what happens to the color of our sky as we travel higher into the atmosphere?

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

What type of electromagnetic radiation do human eyes detect?

• radio waves

• microwaves

• infrared

• visible light

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.