Igneous 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?
The process of rocks changing from one kind of rock to another kind of rock over long periods of time.
What is the rock cycle?
This is the difference between magma and lava
What is magma is underground and lava is on top?
These are two ways that sediments are formed.
What is weathering and erosion?
The scale that is used to measure the hardness of minerals
What is Moh's Hardness Scale
A fossil is ___________.
What is the imprint of an organism on a rock?
Name two ways people use rocks.
What is buildings, walls, roads, jewelry, decoration, countertops?
This type of igneous rock has large crystals you can see
What is granite?
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?
What happens if an igneous rock weathers? What rock does it turn into?
What is sedimentary rock?
This type of igneous rock is black with a glassy texture. We looked at it in class.
What is obsidian?
For an Igneous rock to become a sedimentary rock, what needs to happen?
What is weathering, erosion, compaction, and cementation?
The property that causes a mineral to shine like a coin
What is luster?
A hard substance composed of one or more minerals.
What is a rock?
The hardest mineral.
What is a diamond?
This determines the size of crystals that form in igneous rocks.
What is the cooling rate of the magma or lava?
Sedimentary rocks are the only type of rocks that can contain this.
What is fossils or plant material or any organic matter?
You can see this property just by looking at a mineral. Many minerals can be several of these.
What is color?
Sedimentary rock made from organic plant material
What is coal?
The 5 ways to test the properties of a mineral.
What is luster, streak, hardness, color and cleavage or fracture