Science Section C
Terms
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- Every ________ is something that has lasted from a living thing that died long ago.
- Fossil
- The crust sits on the _________, the middle layer.
- Mantle
- ________ forms from material that has settled into layers that are squeezed together until they harden into rock.
- Sedimentary rock
- The process of changing rocks into other types.
- Rock cycle
- ________ is rock that was once melted but has cooled and hardened.
- Igneous rock
- If an object is a solid, was formed in nature, and has never been alive, it's likely to be a ___________.
- Mineral
- At the surface of the Earth is the solid outside layer, called the _________.
- Crust
- A _____ is made of minerals.
- Rock
- ___________ is igneous, sedimentary, or other metamorphic rock that has been changed by heat and pressure.
- Metamorphic rock
- Below the mantle, at the center of the Earth, is the _________.
- Core