Astronomy Review

Think about what the Earth's rotation causes. What would most likely happen if Earth rotated faster?

• Summer would last longer.

• The year would be shorter.

• The Moon would orbit faster.

• A day would be shorter.

A student gathered information on four different planets and put it in a chart. Which planet can be Earth?

• W

• X

• Y

• Z

The diagram represents Earth revolving around the Sun. Which position represents winter in the Northern Hemisphere?

• A

• B

• C

• D

The diagram represents Earth revolving around the Sun. Which position represents summer in the Northern Hemisphere?

• A

• B

• C

• C

Look closely at the picture of the solar system. Which object has a rocky surface?

• A

• B

• C

• D

Look closely at the picture of the solar system. Which object do all the planets revolve around?

• A

• B

• C

• D

Which answer choice is the best explanation for why the Sun sets in the west?

• Earth rotates from west to east which makes the Sun appear to move below the horizon.

• Earth rotates from east to west which makes the Sun appear to move below the horizon.

• The Sun revolves around Earth which makes it appear to move below the horizon.

• Earth revolves around the Sun which makes the Sun appear to move below the horizon.

Which statement is true?

• The sun rises in the West and sets in the East.

• The sun rises in the North and sets in the South.

• The sun rises in the East and sets in the West.

• The sun rises in the South and sets in the North.

What instrument is this?

• compass

• astrolabe

• sextant

• telescope

Why is the compass important to navigation?

• Because the needle spins, it can be used to measure wind speed.

• Because the needle spins, it can be used to predict the time of sunrise.

• Because the magnetic needle always points North it can be used to find latitude.

• Because the magnetic needle always points North it can be used to find direction.