Sedimentary Rocks
Igneous Rocks
Metamorphic Rocks
Rock Changes
Rock Cycle
100
Sedimentary rocks form when these are compacted together.
What are sediments?
100
Igneous rocks form when this cools and hardens.
What is lava?
100
Metamorphic rocks are rocks that have changed from these two things.
What is heat and pressure?
100
Rocks can break down because of this.
What is weathering?
100
To create magma the rock has to do this.
What is melt?
200
You can often see these in sedimentary rocks.
What are fossils?
200
When lava cools quickly, this occurs in the igneous rock.
What are holes from air bubbles?
200
You can often see these in metamorphic rocks.
What are minerals?
200
Rocks are moved from one place to another because of this.
What is erosion?
200
To break down any rock into sediments these two things must occur.
What is weathering and erosion?
300
Sedimentary rocks often form in this place.
What is the bottom of water?
300
When the lava cools slowly these can form.
What are crystals?
300
Metamorphic rocks form here.
What is deep below the surface of the Earth?
300
Rocks are placed in a new area when this occurs.
What is deposition?
300
To create a Metamorphic rock these two conditions must exist.
What is heat and pressure?
400
Sometimes the sediments form these at the bottom of the ocean.
What are layers?
400
Most of this is made up of Igneous rocks.
What is the Earth's crust?
400
This is the amount of time that it takes for metamorphic rocks to form.
What are millions of years?
400
A tree root growing in the crack of rock is an example of this.
What is weather?
400
This happens for a metamorphic rock to change to an igneous rock.
What is melting and cooling?
500
These three rocks are examples of sedimentary rocks.
What are conglomerate, sandstone, and coal?
500
These are three examples of igneous rocks.
What are granite, pumice, and obsidian?
500
These are three examples of metamorphic rocks.
What are marble, gneiss, and quartzite?
500
Sand dunes forming because of a sand storm is an example of this.
What is deposition?
500
This happens when a sediments form a sedimentary rock.
What is compacting?
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