Unit 5 Review

3. As you travel from the crust toward the center of Earth, temperature ____________________.
7. When existing rocks are weathered and eroded, they form ____________________.
9. The process that breaks rocks into smaller pieces is called ____________________.
10. A fish swimming in a lake is an interaction between the biosphere and the ____________.
12. Oceans, lakes, rivers, and groundwater are part of the ____________________.
13. The outermost layer of Earth where we live is the ____________________.
15. A plant growing in soil is an interaction between the biosphere and the ____________.

1. The layer of gases surrounding Earth is the ____________________.
2. Rocks, soil, mountains, and landforms belong to the ____________________.
3. As you travel deeper into Earth, pressure ____________________.
4. The thickest layer of Earth is the ___________________.
5. The sphere that includes all living organisms is the ____________________.
6. The layer made of liquid metal that creates Earth’s magnetic field is the ___________ core.
8. The hottest and most dense layer of Earth is the _____________ core.
11. Sedimentary rocks form from sediments that are compacted and ___________ together.
12. Metamorphic rocks form when existing rock is changed by ____________ and pressure.
13. Igneous rocks form when magma ____________________.
14. When sedimentary rock is buried deep underground and exposed to heat and pressure, it can become ____________________ rock.