TEST - Earth

The Earth is how old?

• 1.1 billion years old

• 2.8 million years old

• 4.6 billion years old

• 15 billion years old

The planetoid, Theia, smashed into Earth early in its formation to form the

• Moon

• Planets

• Sun

• Asteroids

The Earth formed from a swirling disc of

• pizza

• gas and dust

• vinyl

• galaxies

Why are the footprints from the astronauts still on the Moon?

• They are not. They have been worn away by now.

• They are not. The astronauts erased any evidence that they were there.

• They are still there because nobody has been back to the moon to disturb them.

• They are still there because there is no atmosphere or weather on the moon.

An imaginary line that runs through the center of the Earth in which the Earth rotates around is called

• The equator

• The center line

• The axis of rotation

• The rotation line

How many high and low tide cycles are there each day on the Earth?

• 1

• 2

• 3

• 4

Earth's axis of rotation is at _____ degrees.

• 0

• 23.5

• 34.2

• 38.1

The highest tides on earth can be found at

• the point farthest from the Moon

• the point perpendicular to the Moon

• the point closest to the Moon

• the Gulf of Mexico

The Earth rotates on its axis once every _____ hours. One revolution of Earth around the Sun takes _____ days.

• 24, 365

• 12, 24

• 24, 356

• 12, 364

What phase and shape is the Moon pictured?

• waxing crescent

• waning crescent

• first quarter

• new moon