Rocks in General
Igneous Rocks
Intrusive Rocks
Extrusive Rocks
Rock Origins
100

This is a general name for solids formed from one or more minerals.

What are rocks?

100

All igneous rocks come from this term which means melted rock.

What is molten?

100

This is the name we give to molten rock within earth.

What is magma?

100

Molten rock at the surface of the earth is called this.

What is lava?

100

This property of igneous rocks tells us the most about its origin.

What is crystal size?
200

This is the number of types of rocks. 

What is three?

200

This is the number of types of igneous rocks.

What is 2?

200

This is where Intrusive rocks form.

What is inside the earth?

200

Crystal textures of extrusive rocks tend to be more toward this category.

What is fine texture?

200

This crystal observation would tell us the rock probably formed deeper in the earth.

What are large crystals?

300

This four letter word describes a rock of only one mineral.

What is pure?

300

The term igneous rock comes from this greek word.

What is ignus?

300

Intrusive igneous rocks tend to cool more slowly because the earth acts like this common cold day item.

What is a blanket?

300

This is generally true about their formation speed.

What is faster?

300

Crystal formation size and quality depend upon these two things.

What are time and space.

400

These are the names of earth's basic types of rocks.

What are igneous, sedimentary and metamorphic?
400

This trapped air in an igneous rock may form this.

What is a vesicle?

400

Intrusive rocks generally have larger crystals causing this.

What is coarse texture?

400

Extrusive rocks tend to create larger these than intrusive rocks.

What are vesicles?

400
This would be the impact on crystal formation speed if seawater washed over a lava flow.

What is small or no crystal formation.

500
Some rocks have once living material called this.

What is organic?

500

These three words are the steps to form igneous rocks. The first step makes the magma or lava.

What are melts, cools, solidify?

500

This is an example of a multicolored intrusive igneous rock.

What is granite?

500

Layer upon layer of magma tend to produce this geologic structure.

What is a volcano?

500

This term means that there are crystals of two distinct sizes.

What is porphyry?

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