Igneous Rock Review

This igneous rock's large crystals indicate that it is...

• extrusive, and formed deep underground.

• intrusive, and formed near the surface.

• intrusive, and formed deep underground.

• extrusive, and formed near the surface.

What is the difference between Rhyolite and Granite?

• crystal size

• shape

• density

• composition

Which mineral is NEVER found in Basalt?

• Pyroxene

• Olivine

• Quartz

• Amphibole

On the ESRT, what does the word "texture" mean?

• How the rock feels.

• The crystal size.

• The mineral composition.

• The color.

Which igneous rock is most likely found at the surface of a volcano?

• Scoria

• Gabbro

• Pegmatite

• Granite

A rock that has is "vesicular"...

• has a dark color.

• is very dense.

• formed deep underground.

• has gas pockets.

Which is another word for "intrusive?"

• Plutonic

• Volcanic

• Vesicular

• Extrusive

Extrusive rocks have...

• small crystals because they cool slowly.

• small crystals because they cool quickly.

• large crystals because they cool slowly.

• large crystals because they cool quickly.

A rock that cools slowly will have...

• small crystals.

• large crystals.

Tags

NGSS.MS-PS1-4

A glassy texture means the rock...

• feels like glass.

• is transparent.

• breaks easily.

• is non-crystalline.