Unit 2-2 Rocks, Weathering, Erosion, & Soil

Unit 2-2 Rocks, Weathering, Erosion, & Soil

Multiple Choice

Which type of rock forms from SLOW cooling magma?

• Intrusive Igneous

• Extrusive Igneous

• Metamorphic

• Sedimentary

Multiple Select

What two processes form metamorphic rocks?

• heat

• pressure

• sedimentation

• compaction

Sedimentary Rocks

• Form from the compaction or cementation of rock pieces, mineral grains, or shell fragments called sediments

• Sediments are formed through the processes of weathering and erosion of rocks exposed at the Earth's surface

• Sedimentary rocks can also form from the chemical deposition of materials that were once dissolved in water

Limestone & Shale are sedimentary rocks

Multiple Choice

The rock cycle is an ongoing process

• True

• False

Multiple Choice

Which of these is an example of erosion?

• Light Shinning onto a mountain

• Rain breaking down rock

• Wind blowing away sediment

• All of the above

Multiple Choice

What is sediment?

• the process of rocks being broken down and carried away

• the top layer of the soil

• bits of rock, sand, and silt caused by the weathering of rocks

• decaying plant or animal material

Multiple Choice

What type of soil is 20% clay, 40% sand, and 40% silt?

• sand

• clay

• loam

• silt

Multiple Choice

Which agents break down earth materials?

• wind only

• earthquakes and gravity

• ice and 007

• wind, water, and ice

Multiple Choice

The process of breaking up Earth's surface into sediment is called...

• sediment

• erosion

• weathering

• deposition

Multiple Choice

The process of breaking up Earth's surface into sediment is called...

• sediment

• erosion

• weathering

• deposition