Rocks
Two of the three types of rocks.
What is: sedimentary
igneous
metamorphic
(any two of those)
Rocks that form from layers of sediment deposited over time.
What is sedimentary?
How Petosky stones were formed.
What is they are fossils from ancient corals.
A solid fossil fuel.
What is coal?
A liquid fossil fuel.
What is petroleum (or oil)?
These are rocks that change due to heat or pressure.
What is metamorphic?
These rocks are also sometimes called fire rocks.
What are igneous rocks?
This mineral contains a lot of metals.
What is ore?
Pumice is this type of rock.
What is igneous?
The type of igneous rock that is formed INSIDE a volcano.
What is igneous?
These rocks are formed from lava that flows OUT of a volcano.
What are extrinsic igneous rocks?
This is a type of rock that is formed when layers of sediment pile up on top of each other.
What are sedimentary rocks?