EH Investigation 5 and 6 23-24

Front

What does the absence of visible crystals in a rock indicate about its formation?

Back

The rocks cooled quickly above ground, forming crystals too small to see.

Front

What type of igneous rock forms from lava on Earth's surface?

Back

Extrusive Rock.

Front

What type of igneous rock is formed in the interior of Earth?

Back

Intrusive Rock.

Front

How do Intrusive Igneous rocks cool?

Back

Slowly.

Front

What is melted (molten) rock on the surface of Earth called?

Back

Lava.

Front

What is the term for molten rock beneath the Earth's surface?

Back

Magma.

Front

What is the primary difference between intrusive and extrusive igneous rocks?

Back

Intrusive rocks form below the surface and cool slowly, while extrusive rocks form on the surface and cool quickly.

Front

What is an example of an extrusive igneous rock?

Back

Basalt.

Front

What is an example of an intrusive igneous rock?

Back

Granite.

Front

What process leads to the formation of igneous rocks?

Back

The cooling and solidification of molten rock.