G11 Earth Science Rock Cycle and Igneous Rocks Formation

If an igneous rock has large mineral crystals, what does it say about the rate of cooling it underwent?

• It underwent fast cooling.

• It underwent slow cooling.

If an igneous rock has fine-grained crystals, what does it say about the location where it formed?

• beneath the surface

• on the surface

TRUE OR FALSE.

An igneous rock that underwent FAST COOLING has FINE-GRAINED MINERALS which result from the solidification of lava ON THE SURFACE OF THE EARTH.

• TRUE

• FALSE

TRUE OR FALSE.

An igneous rock that underwent SLOW COOLING has COARSE-GRAINED MINERALS which result from the solidification of magma BENEATH THE SURFACE OF THE EARTH.

• TRUE

• FALSE

TRUE OR FALSE.

A RHYOLITE is an example of an intrusive igneous rock while GRANITE is an example of an extrusive igneous rock.

• TRUE

• FALSE

TRUE OR FALSE.

Pyroclastic rocks are fragmented or ripped apart because gases rapidly expand when they reach the surface.

• TRUE

• FALSE

Intrusive : Plutonic

Extrusive : ?

• Platonic

• Igneous

• Lava

• Volcanic

Intrusive : ?

Extrusive : fine-grained crystals

• coarse-grained crystals

• course-grained crystals

• sand-grained crystals

• glass

TRUE OR FALSE.

Plutonic : Gneiss

Volcanic : Rhyolite

Pyroclastic : Tuff

• TRUE

• FALSE

TRUE OR FALSE.

Fine-grained : big grains

Coarse-grained : small grains

• TRUE

• FALSE