Master the Basics of Igneous Rocks

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Questions and Answers

Which type of rock requires a very high temperature for it to melt?

Sedimentary rocks
Metamorphic rocks
Igneous rocks (correct)
None of the above

What does the term 'igneous' mean?

Air
Earth
Fire (correct)
Water

At what temperature are igneous rocks formed?

Approximately 500 °C
Below 100 °C
Not lower than 700 °C (correct)
Around 200 °C

Which type of igneous rock forms on the Earth's surface?

Extrusive igneous rocks (B) Signup and view all the answers

How are igneous rocks classified based on texture?

By size (A) Signup and view all the answers

Rocks need a very high temperature for it to ______.

melt Signup and view all the answers

Igneous rocks need high rock-melting heat similar to the temperature of the ______ earth.

primitive Signup and view all the answers

The term igneous comes from the Latin word ignis which means ______.

fire Signup and view all the answers

It is formed in temperatures not lower than ______ °C.

700 Signup and view all the answers

How can a geologist ______iate.

different Signup and view all the answers

Flashcards

Rock melting temperature

Igneous rocks require very high temperatures to melt due to their formation process.

Origin of 'igneous'

The term 'igneous' originates from the Latin word 'ignis,' which translates to fire.

Igneous Formation Temp

Igneous rocks are formed at temperatures not lower than 700 °C.

Extrusive rocks

Extrusive igneous rocks are formed on the Earth's surface, resulting from volcanic activity.

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Igneous Texture Classification

Igneous rocks are classified by size based on their texture, which reflects the cooling rate of the molten rock.

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Igneous rock heat

Igneous rocks need high rock-melting heat similar to the temperature of the primitive earth.

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Study Notes

Igneous Rocks

Igneous rocks require a very high temperature to melt, similar to the temperature of the Earth's core.
The term "igneous" comes from the Latin word "ignis", meaning fire.
Igneous rocks are formed at temperatures not lower than 700°C.
One type of igneous rock forms on the Earth's surface.
Igneous rocks can be classified based on their texture.