Igneous Rocks Lesson

A type of rock that forms from the cooling of molten rock at or below the surface of the Earth

• Igneous Rock
• Metamorphic Rock
• Sedimentary Rock
• Chemical Rock

Igneous rock that forms from lava on Earth's surface

• Organic Rock
• Intrusive Rock
• Extrusive Rock

Igneous rock that forms when magma hardens beneath Earth's surface

• Intrusive Rock
• Compaction
• Extrusive Rock

Rocks are made out of minerals.

• True
• False

This rock was found near the mouth of a volcano. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

Is lava above or below ground

• below
• above

This rock cools so quickly that crystals have no time to form.

• Basalt
• Obsidian
• Gabbro
• Pumice

Extrusive rocks that form quickly above the Earths surface have

• small crystals
• large crystals
• small and large crystals
• no crystals

Igneous means "_____________" 

• sediment
• litification
• fire form

Intrusive forms_________crystal

• small
• large