Weathering and Rocks

What does Ignis mean?

• hot
• fire
• steam
• flame

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
• Clastic Rock
• Extrusive Rock

Extrusive rocks that form quickly above the Earths surface have

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

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

• intrusive Rock
• compaction
• Chemical Rock
• Clastic Rock

A slow cooling igneous rock will have _____ crystals

• large
• small
• average
• black

One common use for the igneous rock granite is...

• building material
• cutting tools
• abrasion in polishing
• cement

One common use for the igneous rock obsidian is...

• building material
• cutting tools
• abrasion in polishing
• cement

The process by which igneous rocks are formed...

• heat and pressure deep underneath earth's surface
• melting and cooling of magma
• compaction and cementation of sediments

Coarse or Fine

• coarse
• fine