Rocks
This can cool and harden and form igneous rock.
What is magma or lava?
These are little pieces of rocks, pebbles, mineral grains, and shell fragments that eventually form rocks.
What are sediments?
The way light reflects off of a mineral.
What is luster?
Name the three types of rock groups.
What is Sedimentary, Igneous and Metamorphic?
This kind of igneous rock is formed when magma cools beneath the Earth's surface.
What is Intrusive igneous rock?
These are two ways that sediments are formed.
What is weathering and erosion?
You can see this property just by looking at a mineral. Many minerals can be several of these.
What is color?
This is the quickest rock to be formed.
What is extrusive igneous?
This type of igneous rock forms when lava cools on the Earth's surface.
What is Extrusive igneous rock?
These 2 things cause metamorphic rocks to form.
What are heat and pressure?
Another way to identify minerals; it leaves the color of the powder behind when rubbed against a rough white tile.
What is streak?
A naturally occurring, inorganic solid, that has a definite chemical composition and crystal structure.
What is a mineral?
This type of igneous rock is black with a glassy texture. We looked at it in class.
What is obsidian? extrusive igenous
For an Igneous rock to become a sedimentary rock, what needs to happen?
What is weathering, erosion, deposition, compaction, and cementation?
This property measures how a mineral breaks, and if it forms certain lines or patterns when cracked
What is cleavage/fracture?
A hard substance composed of one or more minerals.
What is a rock?
This determines the size of crystals that form in igneous rocks.
What is the cooling rate of the magma or lava?
This is the actual term for the formation of metamorphic rock
What is recrystallization?
The scale that is used to measure the hardness of minerals
What is Moh's Hardness Scale
What is foliated metamorphic rock?