Front

What is the outermost layer of the Earth called?

Back

Crust

Front

What is the name of the rock that can float on water?

Back

Pumice

Front

What do we call an orderly arrangement of atoms or molecules?

Back

Crystals

Front

What factors affect the size of crystals when they grow?

Back

The time it was allowed to cool, whether it was on the desk or in the cold water, and the temperature where it cooled.

Front

What is layer #1 of the Earth?

Back

Mantle

Front

What is magma?

Back

Magma is molten rock located beneath the Earth's surface.

Front

What is lava?

Back

Lava is molten rock that has erupted onto the Earth's surface.

Front

What type of rock is formed from cooled lava?

Back

Igneous rock.

Front

What is the difference between intrusive and extrusive igneous rocks?

Back

Intrusive rocks form from magma that cools slowly beneath the Earth's surface, while extrusive rocks form from lava that cools quickly on the surface.

Front

What is basalt?

Back

Basalt is a dark, fine-grained igneous rock that is commonly formed from lava.