Rocks
More Rocks
Rocks Rock
Rock the world
Minerals
100
what are the three types of rocks
igneous, sedimentary, metamorphic
100
what type of rock is formed from heat and pressure?
What is metamorphic?
100
What type of rock is formed from erosion and weathering?
What is sedimentary?
100
What type of rock is formed from cooled magma?
What is igneous?
100
If you are using the scratch test, you are testing a minerals _________.
hardness
200
The continual process by which new rock forms from old rock material.
What is rock cycle?
200
the size shape and positions of the grains that make up a rock
What is texture?
200
An igneous rock which formed inside the earth from magma is called
intrusive
200
An igneous rock formed near the earth's surface.
What is extrusive?
200
Why are some minerals considered gemstones?
Because they are valued for their rarity, beauty and hardness
300
What are the two types of igneous rocks?
What is intrusive and extrusive?
300
What are the three types of sedimentary rocks?
What is clastic, chemical, organic?
300
What are the 2 types of metamorphic rocks?
foliated and non-foliated
300
The texture of a metamorphic rock in which the mineral grains are arranged in parallel lines or bands.
What is foliated?
300
Minerals that contain one or more elements combined with silicon and oxygen are called
silicates
400
What type of rock is Granite?
igneous.
400
Fossils are most likely to be found in what type of rocks?
sedimentary
400
what type of rock is marble?
metamorphic
400
What is it called when sediment has been moved through erosion to a new place?
deposition
400
When a mineral splits evenly along flat surfaces, the mineral is said to have _______
cleavage
500
What type of rock is sandstone?
sedimentary
500
Why do extrusive igneous rocks have small grains and crystals?
they cool quickly
500
How are rocks classified?
By their origin, or how they form
500
How could a metamorphic rock become igneous?
It would have to melt and then cool
500
What are the 5 characteristics of a mineral?
Naturally occuring Inorganic Solid Crystalline system Chemical composition
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