Mineral Crystallization

Which is true of this image?

• All minerals form from magma at the same time.

• As minerals form, the composition of magma changes.

• As more magma is crystallized the number of atoms in magma remains constant.

• Igneous rocks form from precipitation in water.

Tags

NGSS.MS-PS1-5

Which is true according to this image?

• Igneous rocks are formed from only one mineral type.

• More minerals form in magma as it heats up.

• The composition of magma is unchanged as it cools.

• Different minerals form as the magma cools through time.

Tags

NGSS.MS-ESS2-1

According to the Bowen's reaction series, which mineral forms at the hottest temperature?

• Olivine

• Pyroxene

• K-spar

• Quartz

According to the Bowen's Reaction Series, which mineral forms at the coolest temperature?

• Olivine

• Pyroxene

• K-spar

• Quartz

Igneous Rocks form by what process?

• Weathering 

• Metamorphism

• Crystallization

• Evaporation

Tags

NGSS.MS-ESS2-1

If an igneous rock forms with lots of space and over a long period of time, what will the rock have?

• no mineral crystals

• smaller crystals

• both small and large crystals

• larger crystals

What category of igneous rock has mineral crystals that are large enough to identify without a microscope?

• glassy

• aphanitic/extrusive

• phaneritic/intrusive

• porphyritic

What is the process by which minerals form crystals from a solution?

• Evaporation

• Precipitation

• Crystallization

• Sublimation

Which factor does NOT affect the size of mineral crystals formed during crystallization?

• Rate of cooling

• Presence of impurities

• Pressure

• Color of the mineral

In which type of rock are large mineral crystals most likely to form?

• Sedimentary

• Metamorphic

• Intrusive Igneous

• Extrusive Igneous