Earth's Interior

1. What do geologists use to study Earth’s interior?

• deep mines

• land waves

• seismic waves

• video cameras

2. What is the layer of rock, soil, and water that forms Earth’s outer cover?

• inner core

• mantle

• crust

• outer core

3. What is the solid layer under the crust called?

• inner core

• asthenosphere

• mantle

• outer core

4. If you start on the surface of the Earth and work your way towards the core what happens to temperature, density, and pressure?

• they decrease

• they stay the same

• they increase

• they increase and then decrease

5. Which layer of the Earth is under extreme amounts of pressure and is made from a solid ball of metals?

• outer core

• crust

• mantle

• inner core

6. Which solid layer of the Earth (crust and upper mantle) “floats” on top of the asthenosphere?

• mantle

• hemisphere

• biosphere

• lithosphere

7. Which layer of the Earth is made of liquid metals?

• outer core

• crust

• mantle

• inner core

8.What are the three main layers starting from the inside of the Earth and working your way to the surface where you are sitting ?

• crust, mantle, core

• mantle, core, crust

• core, mantle, crust

• core, crust, mantle

9. What is the soft layer of the middle mantle where convection currents occur?

• lithosphere

• crust

• core

• asthenosphere

10.Which layer of the Earth is made up of the rocks granite

and basalt?

• inner core

• mantle

• crust

• outer core