Sedimentary Rocks

Geologists classify sedimentary in three groups.

• Clastic Rock

• Granite Rock

• Organic Rock

• Chemical Rock

• Hoodoo Rock

Tags

NGSS.MS-ESS1-4

(a)   is sedimentary rock formed from the remains of swamp plants buried in water

Sedimentary rock formed from coral, shells and skeletons that piled up on the ocean floor

• Clastic

• Organic

• Chemical

The process by which sediments get pressed together

• deposition

• compaction

• cementation

Sands, grains, pebbles, mud, shells and leaves are all examples of

• sediment

• deposition

• pyroclastic flow

Clastic rocks are grouped by the (a)   of the rock fragments of which they're made.

Which is the process that breaks up rock on the earth's surface?

• deposition

• erosion

• compaction

• weathering

Which forms when minerals dissolved in a water solution crystallize

• clastic

• organic

• chemical

• sediment

Tags

NGSS.MS-ESS2-4

Which is an example of a organic rock?

• breccia

• coal

• rock salt

• shale

Which can be a chemical or an organic rock?

• limestone

• sandstone

• shale

• conglomrate