EnviroSci Ch. 11 Review

_______ is the scientific study of the changing processes happening on the outside surface and inside layers of the Earth.

• Geography

• Geology

• Geodes

What are the 4 major layers of the Earth?

• inner core, outer core, mantle, crust

• inner core, outer mantle, mantle, crust

• inner mantle, outer mantle, core, crust

The outside and thinnest layer of Earth is the _________.

• mantle

• outer core

• crust

The _______ crust is under the continents and includes the continental shelves which stretch into the ocean.

• concentrical

• continental

• coincidental

The _____ crust makes up most of the Earth's crust, which makes sense because most of the Earth is covered in water.

• continental

• hydrospheric

• oceanic

the crust + the stiff, outer layer of the mantle = the ______________

• lithosphere

• geosphere

• crustosphere

We use minerals for lots of things, including technology. We get these minerals from which layer of the Earth?

• the outer core

• the lithosphere

• the mantle

Which of Earth's 4 layers is the thickest, measuring about 1,800 miles?

• the crust

• the mantle

• the inner core

• the outer core

The mantle is dense and holds about _____% of the Earth's mass.

• 50

• 97

• 67

The outer part of the mantle is made of ________.

• partially melted rock

• solid rock

• rock and roots