4th grade - Earth and Its Surface

The center of Earth which is also the heaviest and densest is called...

• Mantle

• Nucleus

• Crust

Which layer includes the surface we walk on.

• Nucleus

• Crust

• Mantle

This layer of Earth is the thickest layer and settles around the nucleus.

• Nucleus

• Crust

• Mantle

Earth's orbit around the sun is called.

• revolution

• rotation

• axis

Earth turning on its own axis is called...

• elliptical

• rotation

• revolution

Earth's rotation lasts how long?

• 12 hours

• 365 days

• 24 hours

How many seasons do we have?

• 4

• 2

• 3

Which is the closest star to Earth?

• Moon

• Sun

• Jupiter

Which is this phase of the moon?

• new moon

• waning crescent

• full moon

Which phase is the moon on?

• new moon

• waxing crescent

• waning crescent