Classification of Rocks

Limestone becomes _________ when temperature and pressure increase!

• marble

• granite

• sandstone

• feldspar

Tags

NGSS.MS-ESS2-1

This type of igneous rock has medium to large crystals when it forms.

• Intrusive

• Extrusive

Tags

NGSS.MS-ESS2-1

This type of igneous rock has little or no crystals when it forms.

• Extrusive

• Intrusive

Limestone often contains ___________.

• fossils

• gold

• diamonds

• feldspar

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

What property of rock is being observed when looking for how easily it breaks or splits evenly?

• cleavage

• luster

• hardness

• streak

What will happen if an igneous rock is put under an extreme amount of heat and pressure?

• it will melt into lava

• it will weather and erode

• it will become a metamorphic rock

• it will become a sedimentary

The location marked by the black rectangle is characterized by high temperature and pressure. What rock type would most likely be formed in this location?

• Igneous

• Metamorphic

• Sedimentary

• None of the above

Tags

NGSS.MS-ESS2-2

Sedimentary rocks are formed by

• Cooling of lava or magma

• Heat and pressure

• Compacting and cementing

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS1-4

Classify each sedimentary rock as either Clastic, Organic, or Chemical. 
Coal

• Clastic

• Organic

• Chemical

These rocks are often foliated, meaning they have layers.

• Sedimentary

• Sediment

• Metamorphic

• Igneous