Minerals
Igneous Rocks
Sedimentary Rocks
Metamorphic Rocks
Potpurri
100
Natural non-living substances that make up rocks.
What is a mineral?
100
Magma that reaches the Earth's surface.
What is lave?
100
The remains of plants or animals from long ago.
What are fossils?
100
A scientist who studies rocks to learn about Earth's history.
What is a geologist?
100
The hardest mineral.
What are diamonds?
200
The way light reflects off the surface of a mineral.
What is luster?
200
A layer of melted rock below Earth's surface.
What is magma?
200
Tiny pieces of rocks, minerals, plants, or shells.
What are sediments?
200
A squeezing force that pushes things together.
What is pressure?
200
Diamonds, rubies, and emeralds are considered these.
What are gems?
300
The color of the powder left when a mineral is scratched on a scratch plate.
What is streak?
300
Igneous rock formed below Earth's surface.
What is intrusive rock?
300
Made up of pebbles, stones, and even boulders.
What is conglomerate?
300
Is formed by extreme heat and pressure deep inside Earth.
What is metamorphic rock?
300
All minerals are made of these.
What are elements?
400
Rocks that are mined because they contain useful materials.
What is ore?
400
When melted rock cools and hardens above Earth's surface.
What is extrusive rock?
400
A soft rock burned for energy.
What is bituminous coal?
400
Metamorphic rock formed from granite.
What is gneiss?
400
The size of crystals in the metamorphic rock slate.
What is small?
500
A table that shows the hardness of minerals.
What is Moh's hardness scale?
500
A rock filled with tiny holes caused gases escaping.
What is pumice?
500
Contains shells, plants, or bones from animals.
What is limestone?
500
The texture of the stone depends on the size of these.
What are crystals?
500
The type of rock that the Grand Canyon is formed from.
What is sedimentary rock?
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