Igneous Rocks

The layer of melted rock below Earth's crust is called ___?

The rough texture of ___ makes it good for rubbing off dirt.

Magma that cools quickly would form ___ crystals.

Magma that hardens above the Earth's crust is called ___?

Large ___ give granite its texture.

Pumice is very ___.

The tiny holes in pumice are caused by ___ that escape as lava cools.

Magma that cools BELOW the Earth's crust is called ___?

Magma that cools slowly would have ___ crystals.

Because of its hardness, ___ makes a strong and long-lasting building material.