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Vocabulary
Minerals
Gems
Igneous Rocks
Sedimentary Rocks
100
Luster
What is shine.
100
What are inorganic, solid materials found in nature.
What is minerals.
100
Gems can be used in ___________.
What is jewelry.
100
Extrusive rocks form ____________ the Earth's surface.
What is on.
100
These rocks are made of grains of minerals or other rocks that have moved and been deposited in layers by water, ice, gravity, or wind.
What is detrital rocks.
200
crystals
What is a solid material that has an orderly, repeating pattern of atoms.
200
Examples of minerals
What is quartz, flourite, graphite, gypsum, halite.
200
Gems are rare and ____________.
What is valuable.
200
Intrusive rocks form ________ the Earth's surface.
What is under.
200
These rocks form from the evaporation of mineral-rich water.
What is chemical rocks.
300
physical property
What is anything that can be observed or measured.
300
What are the 3 ways minerals are formed.
What is 1. evaporation 2. precipitation 3. slow-moving magma
300
Gems have beautiful _____________ and _____________.
What is luster and color.
300
Chemicals in melted rock material determine the ___________ of the rock.
What is color.
300
These rocks form from dead organic material.
What is organic rocks.
400
gem
What is a rare, valuable mineral that can be cut and polished to give it a beautiful appearance.
400
If a mineral has smooth, regular planes, reflects light, and splits into thin sheets, it has__________.
What is cleavage.
400
Ore can be mined and sold for ___________.
What is profit.
400
Intrusive rocks often are ____________.
What is graphitic.
400
Examples of organic rocks
What is limestone, chalk, fossils, and coal.
500
rock
What is a solid that is usually made up of two or more minerals.
500
If a mineral has jagged, rough edges, lacks luster, and is chunky, it is said to have _____________.
What is fracture.
500
Smelted means
What is the melting of rock, and separation of impurities.
500
Extrusive rocks often are _____________.
What is basaltic.
500
Example of chemical rocks.
What is halite.