Rocks and Minerals
Definition of a rock.
What are two or more minerals occurring as a solid mass?
The softest mineral on Earth (so far).
What is talc?
Sedimentary rocks are made of layers of _______________.
What is sediment?
How igneous rocks are formed.
What is the solidification of lava?
A metamorphic rock used in pencils.
What is graphite?
Scale used to test for hardness.
What is the Mohs Hardness Scale?
The one of these most often found in jewelry.
What are minerals?
The hardest mineral on Earth (so far).
What is diamond?
The most common sedimentary rock.
What is sandstone?
A common igneous rock that is black and very glossy.
What is obsidian or volcanic glass?
Metamorhpic rocks are made by __________ and ___________.
What are heat and pressure?
The study of the earth and what it's made of.
What is a geology?
Something that has never been alive.
What is inorganic?
All metals are minerals. (True or False)
What is false?
The most common mineral in limestone.
What is calcite?
The only rock (we know of) that can float.
What is pumice?
A metamorphic rock commonly used to make statues.
What is marble?
Term used to describe how light reflects off of a surface.
What is luster?
The one of these two that have a crystalline structure.
What are minerals?
A mineral commonly found in batteries.
What is lithium?
A national park made primarily of sedimentary rock.
What is the Grand Canyon?
Igneous rock we often use to make counter tops.
What is granite?
A metamorphic rock that is also a homonym.
What is gneiss?
The ability of a mineral to glow under ultraviolet light.
What is fluorescence?
The type of rock found on most of the ocean floor.
What is basalt?
Most beach sands are mostly made of this mineral which is made into glass by heating it up to over 3090F and cooling it in a controlled fashion.
What is quartz (silicon dioxide)?
The laying down of sediments.
What is deposition?
The two ways to describe where an igneous rock was formed.
What is intrusive or extrusive?
Marble is a metamorphic rock transformed from what other rock.
What is limestone?
The process that breaks down rocks by nature’s use of water, salt, abrasion and impact, temperature, and exfoliation.
What is mechanical weathering?
Fossils are usually found in this type of rock.
What are sedimentary rocks?
One of the more useful minerals, potash, is also known commonly by another name.
What is potassium?
A sedimentary rock made up of rock fragments with round edges.
What is conglomerate?
What determines if an igneous rock will have large or small crystals?
What is how fast the magma cools?
Types of rock that can be made into metamorphic rock.
What is sedimentary, igneous or another less dense metamorphic rock?
The arrangement, type, and ratio of elements in a mineral.
What is chemical composition?