Vocabulary
Properties
Types of Rocks
Rocks and Minerals
Similarities and Differences
100
A solid non-living material that forms in nature
What is a mineral?
100
How a mineral's surface reflects light.
What is luster?
100
Melted rock that cools and then hardens.
What is igneous rock?
100
Minerals that are especially rare and beautiful.
What is a gem?
100
Coal, sandstone and granite are all similar in this way.
What is they are all rocks?
200
Something about an object that you can observe with your senses.
What is a property?
200
Rub a mineral across a tile to see the color of the powder it leaves.
What is streak?
200
Pieces of rock and other materials squeezed together.
What is sedimentary rock?
200
The hardest substance known on Earth.
What is diamond?
200
Rocks are made mostly of this.
What are minerals?
300
Small mineral or rock pieces.
What are grains?
300
Scientists use this scale to test and measure hardness.
What is the Mohs scale?
300
A rock that formed when lava cooled.
What is igneous rock?
300
You can determine this about a rock that contains a fossil.
What is age of the rock?
300
A property that can be used to compare two rocks. You can see this property.
What are air holes?
400
Melted rock that flows from a volcano onto Earth's surface.
What is lava?
400
Property of minerals measured by scratching the surface of the mineral.
What is hardness?
400
How slate, a dark gray metamorphic rock, is formed.
What is heat and pressure turned a sedimentary rock into slate?
400
Small pieces of rock, sand, and other materials that settle on top of each other and become squeezed together to form sedimentary rock.
What is sediment?
400
What all these metamorphic rocks have in common: marble, slate, quartzite.
What is they all formed when heat or pressure changed them to different kinds of rock?
500
Melted rock beneath earth's surface.
What is magma?
500
A mineral can easily break into flat sections.
What is cleavage?
500
A rock placed under heat and pressure so that its properties have changed. (What type of new rock is formed)
What is metamorphic rock?
500
A rock that contains a fossil is most likely this type of rock.
What is sedimentary rock?
500
A tool that can be used to examine the grains in a rock.
What is magnifying glass or microscope?
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