Igneous rocks Flashcards

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0
Q

The difference between magma and lava?

A

Lava is magma but has left the crust.

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1
Q

Defintiton of geology

A

The study of rocks although geologists cannot actually see what is inside the Earth, their research show that it consists of layer.

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2
Q

What is magma?

A

Magma is very hot molten rock. it has a temperature of 1200 degrees.

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3
Q

What is igneous rocks?

A

Magma/ lava cooling inside or outside the earths crust and causing a soiled substance. This is also known as a type of rock

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4
Q

Characteristics of igneous rocks

A

~ Hard
~ Strong
~ made of interlocking crystals

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5
Q

Rocks are made up of chemical substance called?

A

Mineral

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6
Q

What is a crystal?

A

When magma cools is solidifying, particles in the liquid may clump together to form structures called crystals.

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7
Q

Wen magma is solidifying, particles in the liquid may clump together to form structures called….

A

crystals

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8
Q

Which one makes bigger crystals cooling faster or slower?

A

Slower

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9
Q

Which one causes smaller crystals to form? faster or slower

A

Faster

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