Solar System Review

Which planet contains plenty of oxygen and sustains life?

• Earth

• Mercury

• Venus

• Mars

Which is NOT a gas giant?

• Mars

• Jupiter

• Saturn

• Neptune

What is located between the inner and outer planets?

• Meteor Showers

• Halley's Comet

• Asteroid Belt

• Mrs. Anderson's belt

What force keeps the Earth, Moon, and Sun together?

• friction

• gravity

• galaxy

• magnetism

What causes day and night?

• tilt of Earth's axis

• Earth's revolution

• Earth's rotation

• the moon

How long does it take the Earth to make one revolution around the Sun?

• 1 day

• 24 hours

• 30 days

• 365 days

How long does it take Earth to make one rotation on its axis?

• 1 day

• 30 days

• 365 days

• 45 days

Which of the following are the reasons for the seasons?

• tilt of Earth on its axis and Earth's rotation

• Earth's revolution and tilt of Earth on its axis

• weather and revolution

• proximity to the sun and rotation

The _________ planets are mostly made of rock, have few moons, are smaller, and are hotter.  

• outer

• inner

• top

• bottom

The _______ planets are mostly made of gas, have many moons, are larger, and are colder.  

• outer

• inner

• top

• bottom