Mark true and false for all the questions.

1. The center of the earth is made up of liquid rock.
2. The mantle is the hottest layer.
3. The outer core is liquid.
4. Earthquakes occur due to convection currents in the mantle.
5. Continental crust is thinner than oceanic.
6. Extreme pressure causes the inner core of the Earth to remain solid, despite high temperatures.
7. The crust of the Earth is much thinner than its other layers.
8. The Earth's mantle is completely solid.
9. The asthenosphere floats on top of the lithosphere.
10. The crust is broken down into 2 parts; the upper and lower crust.