Inside Earth Review Game

What are the four main layers of Earth, from outside to inside.

• mantle, inner core, outer core, crust
• inner core, outer core, mantle crust
• crust, mantle, inner core, outer core
• crust, mantle, outer core, inner core

What happens to temperature as you travel toward the center of the Earth?

• It gets hotter
• It gets colder
• It stays the same

What happens to pressure as you travel toward the center of the Earth?

• It increases
• It decreases
• It stays the same

How do we know about the layers of the Earth?

• We have traveled to all of the layers of the Earth
• We have taken samples from all of the layers
• From studying earthquake waves
• All of the above

Which layer or layers of Earth have humans explored?

• just the mantle
• just the crust
• the mantle and the crust
• all of the layers of Earth

Approximately how many KILOMETERS is it to the center of the Earth?

• 400
• 4,000
• 600
• 6,000

Approximately how many MILES is it to the center of the Earth?

• 400
• 4000
• 600
• 6000

What is the thickest layer of Earth?

• mantle
• outer core
• inner core
• crust

What is the crust made of?

• melted rock
• metal
• magma
• solid rock

How thick is the crust?

• 5 - 40 kilometers
• 5-10 kilometers
• 50 - 100 kilometers
• 100- 400 kilometers