Topic 1-3 Flashcards

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1
Q

Minerals

A

Naturally occurring, non-living crystalline material

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2
Q

Crust

A

The outer most layer of the Earth

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3
Q

What is made up of more than one mineral?

A

Rock

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4
Q

What is Mohs Hardness Scale?

A

It tells you how hard a certain mineral is

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5
Q

Element

A

A pure substance

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6
Q

Compound

A

Made up of more than one element

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7
Q

What is the hardest mineral on Mohs Hardness Scale?

A

Diamond

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8
Q

What is the difference between fracture and cleavage?

A

Cleavage is a straight break, a fracture is a bumpy jagged break

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9
Q

How shiny or dull looking a mineral is.

A

Lustre

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10
Q

Streak

A

The line a mineral leaves behind it

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11
Q

What is magma?

A

Molten, melted rocks

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12
Q

What are Igneous rocks made of?

A

Magma

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13
Q

Sediments

A

Small parts of rocks and sand

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14
Q

What does Metamorphic mean?

A

Changed

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15
Q

A rock formed by many layers being compacted

A

Sedimentary

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16
Q

Give an example of an intrusive rock

A

Granite

17
Q

What is an intrusive rock?

A

A rock slowly formed deep in the earth

18
Q

What is an extrusive rock?

A

A rock formed quickly on the earths surface

19
Q

Give an example of an extrusive rock

A

Obsidian

20
Q

When particles are held together

A

Cementation