Igneous Rocks

Front

Are igneous rocks often called volcanic rocks?

Back

True

Front

Magma is melted rock ______ the earth's crust.

Back

below

Front

Lava is melted rock _____ the earth's crust.

Back

above

Front

Igneous rocks form whenever lava or magma _____.

Back

cools

Front

When magma cools underneath the earth's crust, _______ rocks are formed.

Back

intrusive

Front

When lava cools above the earth's crust, _______ rocks are formed.

Back

extrusive

Front

Intrusive Rocks Have...

Back

Big Crystals

Front

Extrusive Rocks Are Formed By...

Back

Lava

Front

Extrusive Igneous Rocks Cool...

Back

Quickly

Front

Is this Intrusive or Extrusive?

Back

Extrusive