Mineral Properties
Hot Rocks
Mineral Uses
Weathered Rocks
Vocabulary
100
A mineral's ability to resist being scratched.
What is hardness?
100
Rock that forms when melted rock cools and hardens.
What is igneous rock?
100
Table salt.
What is halite?
100
Sedimentary rocks form from these two actions.
What is weathering and erosion?
100
A natural solid that has its particles arranged in a crystal pattern.
What is a mineral?
200
When you rub a mineral against a white tile, this is left behind.
What is streak?
200
Rocks formed from lava have small mineral pieces and are called this.
What is fine-grained?
200
Used in pencils.
What is graphite?
200
Sedimentary rocks form when they have these two processes done to them over a long period of time.
What is squeezed and stuck together?
200
Material made up of one or more minerals.
What is a rock?
300
This describes how a mineral's surface looks when light reflects from it.
What is luster?
300
The most common igneous rock that forms from lava at Earth's surface.
What is basalt?
300
Used to make plaster and wallboard.
What is gypsum?
300
Most of this type of sedimentary rock forms in oceans.
What is limestone?
300
The pattern of slow changes in rocks from one kind to another is called this.
What is the rock cycle?
400
These are the three main properties of minerals.
What is streak, luster, and hardness?
400
Rock that looks like black glass.
What is obsidian?
400
A very soft metal used for jewelry or musical instruments.
What is silver?
400
This rock is made up of minerals the size of sand grains.
What is sandstone?
400
A rock that has been changed by high heat and pressure.
What is metamorphic rock?
500
This mineral has a hardness of 10 on the hardness scale.
What is a diamond?
500
Igneous rocks that are coarse - grained are formed from this slowly cooling substance.
What is magma?
500
It has a hardness of 5-6.5 on Moh's hardness scale and is an important source of the iron used to make steel.
What is hematite?
500
The pieces in this rock can be as big as boulders or as small as peas.
What is conglomerate?
500
This forms when rock pieces deposited over time are squeezed and stuck together.
What is sedimentary rock?
M
e
n
u