Minerals Trivia
Does a mineral have to be an organic substance or an inorganic substance?
Inorganic
True or False: A rock is made of minerals
True
Sedimentary rocks have layers called
Strata
Intrusive igneous rocks are _____ Grained
Coarse Grained
Igneous rocks form from ____
Magma
What is the least reliable property of a mineral to identify with?
Color
Another word for what a rock is made of is its ____
Composition/what it is composed of
Oldest layers of sedimentary rocks are found ____ the youngest ones
Under
Why do fine grained rocks have little to no mineral grains on them?
Their lava cools quickly and it doesn't give them any time to grow crystals.
INTRUSIVE igneous rocks are formed from
When lava inside of a volcano cools.
What property measures a mineral's resistance to being scratched?
Hardness
What are the three types of rocks?
Sedimentary, Metamorphic, and Igneous
The sequence of the layer of youngest rocks to oldest is called___
The principle of superposition
If a rock had magma that cooled very slowly, it would be a_____
Coarse Grained Rock
Extrusive igneous rocks are also found from magma near___
The Earth's Surface.
What kind of structure does a mineral have?
A crystalline Structure
Rocks are found in____
Nature
This is the process where sedimentary rocks are arranged in layers:
Stratification
If a rock had quickly cooling magma, it would be a____
Fine Grained rock
An igneous rock can be transformed into a metamorphic rock when___
Enough heat and pressure are applied.
What kind of composition does a mineral have?
A fixed chemical composition
Intrusive igneous rocks are called INtrusive because___
They form INside the Earth
Organic Sedimentary Rock
Mineral Crystals on Intrusive rocks are large because
Intrusive rocks have slowly cooling magma that gives them time to form mineral grains.
EXtrusive rocks are called EXtrusive rocks because
They form outside of volcanoes or near the Earth's Surface