The molten rock that is BELOW the earth's surface.
What is Magma?
This is where most Sedimentary rocks are formed.
What is in water? (oceans, lakes, rivers)
Metamorphic means?
What is change
The two types of igneous rocks.
What is intrusive and extrusive?
How Igneous rocks are formed.
What is the cooling of magma or lava?
The three main characteristics of igneous rocks
What is:
Usually large crystals
No layers
Has air pockets / holes
Name 2 examples of Sedimentary rock
What are Limestone, sandstone, shale, sandstone, coal, flint, rock salt, siltstone?
The two main characteristics of metamorphic rocks
What is:
Layers
Crystals
Hardest rocks
Name 2 igneous rocks and their main characteristic that we have learned about.
Granite = Very large crystals (like mica)
Scoria = dark and has air holes
Pumice = light and has air holes
Obsidian = black and glassy
Gabbro = dark colored and glassy spots
The main characteristics of sedimentary rocks. (Name 3)
What is:
Layers
No crystals
A range in grain sizes
fossils
made from dead plants (coal)
made from water evaporating from sediments (flint)
Granite is an igneous rock that becomes Gniess.
What is True