Igneous Rocks

What are the three main types of rocks?

• Granite, Obsidian, Pumice

• Igneous, Sedimentary, Metamorphic

• Large, Small, Heavy

• Porous, Dense, Light

What does the word "Igneous" mean?

• Watery

• Earthy

• Fiery

• Airy

How is intrusive igneous rock formed?

• When lava cools on the Earth's surface during a volcanic eruption.

• When magma cools slowly underneath the Earth's surface.

• When rocks are exposed to extreme heat and pressure.

• When sediments are compacted and cemented together.

How is extrusive igneous rocks formed?

• Extrusive igneous rocks are formed from the rapid cooling of magma at the Earth's surface.
• Extrusive igneous rocks are formed from sedimentary processes.
• Extrusive igneous rocks are formed deep underground.
• Extrusive igneous rocks are formed from weathering and erosion.