Igneous Rocks

The word "igneous" means

• Rock
• Crust
• Fire
• Volcano

When molten rock reaches earth's surface through volcanic eruptions, it is called

• Lava
• Magma
• Igneous Rock
• Volcanic Ash

Fine grained crystals associated with quick cooling of lava is found in which type of rock?

• Extrusive Igneous Rock
• Intrusive Igneous Rock
• Both Answers are Correct
• Neither Answer is Correct

Intrusive Igneous rocks form ____________ earth and therefore cool ____________.

• Inside, quickly
• Inside, slowly
• Outside, quickly
• Outside, slowly

Slow cooling of magma leads to crystal size that is 

• invisible
• small
• larger
• flattened

A  common use of intrusive igneous rock is 

• lightweight brick material
• ornaments and jewelry
• building material
• all of these

Two types of igneous rocks are 

• Magma and Lava
• Invasive and Evolving
• Interior and Exterior
• Intrusive and Extrusive

The type of igneous rock associated with large crystal formation is

• intrusive igneous rock
• extrusive igneous rock
• volcanic rock
• none of these