Tema 2 Flashcards

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1
Q

What is a mineral?

A

1- Natural substances
2- Solid
3- Inorganic

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2
Q

What is a physical properties of minerals?

A

1- Colour
2- Lustre
3- Magnetism
3- Hardness

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3
Q

Clasifications of minerals?

A

1- Silicates
2- Non silicates

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4
Q

What is silicate?

A

Is the most comun, they contain silicon and oxygen

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5
Q

What is non-silicate?

A

they don’t contain silicon and oxygen

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6
Q

What is a rock?

A

Natural solid and they contain one or more different types of minerals

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7
Q

Classification of rocks?

A

1- Igneous rocks
2- Sedimentary rocks
3- Metamorphic rocks

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8
Q

What is Igneous rocks?

A

Formed for magma or lava when it cools down

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9
Q

What is Sedimentary rocks?

A

Formed for parts of other rocks o for dead living things like shells or skeletons

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10
Q

What is Metamorphic rocks?

A

They are igneous or sedimentary rocks that are changed for a great heat or pressure or both.

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