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Odds and Ends
100
Rocks that are made out of sediments and were pressed into a rock.
What is sedimentary rock?
100
Rocks that were pressed into the Earth's crust and changed by heat and pressure under there.
What is metamorphic rock?
100
Rock that is made when magma erupts and cools.
What is igneous rock?
100
The cycle in which rocks are recycled and change form, shape, or type.
What is the rock cycle?
100
Hot, liquid rock.
What is magma?
200
What sedimentary rocks are made out of.
What is sediment?
200

How do rocks change into metamorphic rocks?

Heat and pressure.

200
An opening in the Earth's crust that allows magma out of the Earth.
What is a volcano?
200
What turns a rock into sediment.
What is weathering and erosion?
200
The scientific name of the process of compacting and cementing.
What is lithification?
300
These are most often found in sedimentary rock.
What are fossils?
300
What happens when a rock is pushed too far down into the Earth.
What is melting?
300
A magma that is inside the volcano that cools and hardens.
What is an intrusive rock?
300
What turns sediment into sedimentary rock.
What is compacting and cementing?
300

True or False — every rock must become sedimentary before turning into a metamorphic rock. Explain.

: False — any rock type can change directly into another type depending on conditions.

400

2 examples of Sedimenary Rock

Teacher will confirm

400
Tectonic plates and continental collisions.
What is another way a metamorphic rock can be created.
400
Magma that erupted out of a volcano and cooled and hardened.
What is an extrusive rock?
400

We know we can find crystals in igneous rock but what is another property? 

What are gas bubbles?

400

Why might fossils only be found in sedimentary rocks and not in igneous or metamorphic rocks?

Because the heat and pressure in igneous and metamorphic formation would destroy fossils, while sedimentary rock forms at Earth’s surface under gentle conditions.

500

Layers and layers of sedimentary rock.

What are strata?

500

Metamorphic rocks are only exposed due to...

What is weathering & erosion?

500

What determines the size of crystals in an igneous rock

The rate of cooling

500

What process must happen for any rock type to become igneous again?

It must melt into magma and then cool.

500
The study of rocks.
What is geology?