Igneous Rocks
Characteristics of Minerals
Properties of Minerals
Challenge
Rockin' out
100
This can cool and harden and form igneous rock.
What is magma or lava?
100
Minerals are formed by a natural process…processes that do not involve living organisms.
What is Naturally Occuring?
100
The way light reflects off of a mineral.
What is luster?
100
Name the three types of rock groups.
What is Sedimentary, Igneous and Metamorphic?
100
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?
200
This kind of igneous rock is formed when magma cools beneath the Earth's surface.
What is Intrusive igneous rock?
200
Means the mineral cannot come from things that were once living.
Inorganic
200
The scale that is used to measure the hardness of minerals
What is Moh's Hardness Scale
200
Two different minerals that have the same chemical composition but different crystal structures.
What is graphite and diamond?
200
Name two ways people use rocks.
What is buildings, walls, roads, jewelry, decoration, countertops?
300
This type of igneous rock forms when lava cools on the Earth's surface.
What is Extrusive igneous rock?
300
Has a definite volume and a rigid shape.
What is always a solid?
300
Another way to identify minerals; it leaves the color of the powder behind when rubbed against a rough white tile.
What is streak?
300
A naturally occurring, inorganic solid, that has a definite chemical composition and crystal structure.
What is a mineral?
300
What happens if an igneous rock weathers? What rock does it turn into?
What is sedimentary rock?
400
This type of igneous rock is black with a glassy texture. We looked at it in class.
What is obsidian?
400
Minerals are made of a specific combination of atoms certain elements (Periodic table).
What is Definite Chemical makeup
400
The property that causes a mineral to glow under ultraviolet light
What is flourescent?
400
A hard substance composed of one or more minerals.
What is a rock?
400
The hardest mineral.
What is a diamond?
500
This determines the size of crystals that form in igneous rocks.
What is the cooling rate of the magma or lava?
500
a solid in which the atoms are arranged in an orderly, repeating three-dimensional (3-D) pattern
What is a definite Crystal Structure?
500
You can see this property just by looking at a mineral. Many minerals can be several of these.
What is color?
500
2.5 on the Moh's Hardness scale?
What is fingernail?
500
The 5 ways to test the properties of a mineral.
What is luster, streak, hardness, color and cleavage or fracture
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