1. What is the outermost layer of the Earth called?

A. CoreB. Crust

C. AsthenosphereD. mesosphere

2. What is the liquid layer of the Earth called?

• A. Lithosphere• B. Mesosphere• C. Inner core• D. outer core

3. The mantle is denser than the crust because it contains more ____

• A. Iron• B. Magnesium• C. oxygen• D. silicon

4. The core is most composed of __

• A. Aluminum• B. Silicon• C. Iron• D. Oxygen

5. The layers of the Earth from the outside in are …….

• A. Crust, lithosphere, mesosphere, asthenosphere,, outer core, inner core

• B. Asthenosphere, crust, lithosphere, mesosphere, outer core, inner core

• C. Crust, mesosphere, outer core, inner core, lithosphere, asthenosphere

• D. Crust, lithosphere, asthenosphere, mesosphere, outer core, inner core

6. The rigid layer made up of crust and upper mantle

• A. lithosphere• B. Crust• C. mantle• D. mesosphere

7. The layer made of solid rock that slowly flows.

• A. Mantle• B. Mesosphere• C. Lithosphere• D. asthenosphere

8. The lower part of the mantle. Also the largest part of the mantle.

• A. Mantle• B. Mesosphere• C. Lithosphere• D. asthenosphere

9. Which type of crust is thicker?

• A. Continental• B. Oceanic

10. Which type of crust is the densest?

• A. Continental• B. Oceanic

11. As depth increases inside the Earth density ________

• A. decreases • B. increases

12. If you are digging towards the center of the Earth the temperature will _______

• A. decrease • B. increase