Light Unit Review

Light is a form of ____________ radiation.

• magnetic

• electric

• electromagnetic

The light rays we see are the ONLY types of light that exist.

• True

• False

The light we see is part of the __________ spectrum.

• electromagnetic

• visible

• magnetic

• electric

Light travels about ____________.

• 100 000 km per second

• 300 000 km per second

• 100 000 km per minute

• 300 000 km per minute

In one second, light can go around the earth ___________.

• 7 times

• 6 times

• 8 times

• 5 times

How long does it take for light from the sun to reach the earth?

• 7 minutes

• 6 minutes

• 8 minutes

• 5 minutes

The sun is a type of __________.

• artificial light

• natural light

A streetlight is a type of __________.

• artificial light

• natural light

A star is a ___________.

• light emitter

• light reflector

The moon is a ___________.

• light emitter

• light reflector