Solar System Review

What is gravity?

• A force that pushes things away.

• A type of weather phenomenon that causes objects to fall.
• A type of sound that pulls objects closer together.
• A force that pulls objects toward each other.

Why do planets and moons revolve around the Sun?

• The magnetic force of the Sun

• The atmosphere

• The gravitational force of the Sun

• The air

What does a full moon look like?

• It's a dark circle

• It looks like a star

• It is a bright, complete circle

• It looks like a square

Why do stars at night look so small?

• They are small

• They are very far away

• They are clouds

• Human eyes aren't powerful enough to see them well

What does a new moon look like?

• It's a dark circle

• It's a bright, complete circle

• It looks like a half circle

• It looks like a crescent or a banana shape

How many days does it take for the moon to orbit the Earth?

• 28 days

• 100 days

• 10 days

• 15 days

Which two statements are true?

• The Earth orbits the moon

• The Sun orbits the Earth

• The Moon orbits the Earth

• The Earth orbits the Sun

When our part of the Earth turns away from the Sun, it is

• daytime

• nighttime

When our part of the Earth turns toward the Sun, it is

• daytime

• nighttime

The _____ is the largest object in our Solar System. Therefore it has the most gravity.

• Sun
• Saturn
• Mars
• Moon