Unit 23: Section 1 Review

A mirror reflects light.

• True

• False

Tags

NGSS.MS-PS4-2

The sun gives off its own light.

• True

• False

Tags

NGSS.MS-ESS1-1

The moon can be seen from Earth because it gives off its own light.

• True

• False

The Earth has light because...

• Earth gives off its own light.

• The sun is shining on Earth.

Most objects can be seen because light ________________ off of them.

Tags

NGSS.MS-PS4-2

Which star is closest to the Earth?

• Sun

• Polaris

• Moon

How would the sun look to people if it were farther from Earth?

• dimmer and smaller

• brighter and smaller

• brighter and larger

• dimmer and larger

Each star is the same size and type. Which star is closest to Earth?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-ESS1-3

Which is closer to the Earth, the sun or Polaris?

The sun is a medium-size star, but it appears much larger than other stars. Why does the sun appear to be so large?

• The sun is hotter than other stars.

• The sun produces more light than other stars.

• The sun is much closer to Earth than other stars.

• The sun is affected by Earth’s gravity more than other stars are.