Space Systems

A how much of the moon is lit up.

• Eclipse

• Season

• Luminous

• Phase

How long does it take for the Moon to complete all of its phases?

• 1 day

• 1 year

• 1 week

• 4 weeks

What is the closest star to planet Earth?

• Mars

• The Moon

• The Sun

• Venus

A huge glowing ball of gas.

• Star

• Planet

• Moon

• Solar System

Use this picture to answer the question.

The moon has LESS gravity than Earth. True or False?

• True

• False

The only planet that has OXYGEN and can contain life.

• Mercury

• Venus

• Earth

• Mars

What does the EARTH orbit?

• Sun

• Moon

• Venus

• Polaris

Includes everything, including billions of galaxies.

• Galaxy

• Universe

• Solar System

• Revolution

The path that the earth follows is called its _______.

• rotation

• day and night

• revolution

• orbit

An object that revolves around another object in space (natural or manmade)

• mirror

• microscope

• oscilloscope

• satellite