Rocks and the Rock Cycle

Rocks are classified into 3 main groups by

• Texture

• Color

• Mineral composition

• How they are formed

The size of the grains or crystals that form rocks is the definition of

• Metamorphic rock

• Texture of a rock

• Igneous rock

• Color of a rock

Foliated rocks have

• Dots

• Bands

• Rings

• Cracks

Metamorphic rocks are classified as

• Foliated and not foliated

• Intrusive and Extrusive

• Shiny or dull

• Conglomerate and Breccia

Rocks that do not have any mineral grains have a ____ texture.

• Rough grained

• Mixed grained

• Fine grained

• Glassy

Conglomerate and Breccia are both sedimentary rocks. What is the distinguishing characteristic that makes them different?

• One is organic rock and the other is a chemical rock

• One is made of rounded grains while the other is made of angular grains

• One is all pink in color while the other is all black in color

• There is no difference between the two rocks

During what process sediments pressed together?

• Cooling

• Melting

• Weathering

• Compaction

Tags

NGSS.MS-ESS2-2

What effect does fast cooling rate have on grain size in igneous rocks?

• It forms small crystals

• It forms large crystals

• It forms light colored crystals

• It forms dark colored crystals

What are the classification groups for Sedimentary rocks?

• Foliated and not foliated

• Intrusive and Extrusive

• Organic and Clastic

What is Regional metamorphism?

• The process of how rocks can change from one rock into another

• The process that occurs along plate boundaries; rock gets buried and heat and pressure build up

• Magma intrudes country rock; heat and pressure change the rocks makeup

• The hardening of sediment into rock

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-1