Planet Earth Inquiry
A Grade 11 Science worksheet exploring the structure, composition, and processes of Planet Earth.
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Planet Earth Inquiry
Name:
Date:
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Read each question carefully and answer to the best of your ability. Show all work where applicable.
1. Which layer of Earth is primarily composed of molten iron and nickel?
Crust
Mantle
Outer Core
Inner Core
2. The lithosphere is comprised of which two layers?
Crust and outer core
Crust and upper mantle
Mantle and inner core
Outer core and inner core
3. The Earth's innermost layer, the , is solid due to immense pressure.
4. Convection currents within the are responsible for the movement of tectonic plates.
5. The outermost layer of Earth, the , is relatively thin and brittle.
6. Describe the theory of plate tectonics and explain how it accounts for major geological phenomena such as earthquakes and volcanoes.
7. Label the different layers of the Earth in the diagram below:
A:
B:
C:
D: