Earth's Geosphere

What is the order of the Earth's interior layers starting from the Earth's surface?

• Crust; mantle; inner core; outer core

• mantle; crust; inner core; outer

• crust; mantle; outer core; inner core

• inner core; outer core; mantle; crust

Which crust is thicker, the continental crust (land we stand on) or the oceanic crust (land under the ocean)?

• Continental crust

• Oceanic crust

The mantle adds up to about ______ % of the Earth's total mass.

• 67

• 10

• 3

• 90

Which layer of the Earth's interior layers is the largest layer?

• Crust

• Mantle

• Outer core

• Inner core

Which layer is made up of super hot LIQUID molten metal?

• Crust

• Mantle

• Outer core

• Inner core

The inner core of the Earth is believed to be _____.

• Solid

• Liquid

• Gas

How can geologists know what inside the Earth looks like? [Choose TWO]

• Using super big X-ray!

• Using seismic waves

• Looking at rock samples

• Using technology that allows us to go to the center of the Earth

Which seismic wave can travel through liquid?

• P wave

• S wave

The pressure _______ deeper in the Earth's interior.

• Increases

• Decreases

• Stays the same

What is 'Nature' in Chinese?