Worksheet Chapter 9: Earth

1. Explain how mantle convection currents cause the movement of tectonic plates on the Earth's surface.

2. Explain why life in the ocean's Dark Zone is able to survive even in the total absence of sunlight for photosynthesis.

3. True or False: Fossils are preserved remains of ancient organisms mostly preserved within sedimentary rock strata.

4. Differentiate between an Exogenic process and an Endogenic process with one example for each.

5. List the four main spheres that comprise the Earth system.

6. Fill in the blank: The solid outermost shell of the Earth consisting of the crust and upper mantle is called the ________.

7. True or False: Exogenic processes derive their primary energy from thermal convection currents inside Earth's core.

8. Explain two ways in which groundwater resources can become polluted due to human negligence.

9. State two human activities that can trigger exogenic geohazards such as severe landslides, and explain how they cause them.

10. Which type of rock is formed by the deposition, compaction, and cementation of mineral particles over time?