Metamorphic
Sedimentary
What Am I?
The Mohs Hardness Scale
Igneous
100
I am formed from this
What are heat and pressure?
100
Layers of rock are pressed together.
How are sedimentary rocks formed?
100
I am tan and have brown bands. I am sedimentary.
What is sandstone?
100
This is 1 on the scale.
What is talc?
100
Igneous rock forms when this cools.
What is magma?
200
Metamorphic is a greek word meaning this.
What is "change"?
200
Most sedimentary rocks are formed here.
What is underwater?
200
I am a metamorphic rock. I am black and gray and brown.
What is gneiss?
200
This is a 10 on the scale.
What is diamond?
200
Igneous is a greek word that means this.
What is fire?
300
These are common metamorphic rocks.
What are marble and gneiss?
300
Examples of sedimentary rocks.
What are sandstone and limestone?
300
I am a sedimentary rock. I am gray and smooth.
What is limestone?
300
This is 3 on the scale.
What is calcite?
300
This is a word to describe igneous rock that is formed by lava that cools quickly.
What is extrusive?
400
Metamorphic rocks are formed when these are squeezed together and heated at high temperatures.
What are other types of rocks?
400
These are often found in sedimentary rocks.
What are fossils?
400
I am clear blue and I am an igneous rock.
What is obsidian?
400
This is 7 on the scale.
What is quartz?
400
This is a word that describes igneous rock that is formed when lava cools slowly underneath the earth's surface.
What is intrusive?
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