Rock Cycle

ECA Review Rock Cycle

Multiple Choice

During which process does layer upon layer of sediment build up, exerting pressure on the layers below?

• Erosion

• Compaction

• Conglomerate

Multiple Choice

Metamorphic rock transforms to sediment by ______?

• melting and cooling

• cementation and compaction

• Weathering and erosion

• heat and pressure

Multiple Choice

Heat and ____________ can change sedimentary rock into metamorphic rock.

• Pressure

• Melting

• Coolig

Multiple Choice

Igneous rocks form from the __________ of magma or lava.

• Pressure

• Cooling

• Heat

Multiple Choice

_________ is the process which causes magma to form.

• Pressure

• Melting

• Cooling

Multiple Choice

Why are some igneous rocks coarse and others are smooth?

• Igneous rocks have different textures based on their crystal size. Determined by how quickly it cools.

• Igneous rocks have different based on their crystal weight. Determined by how quickly it warms.

Multiple Choice

Which type of rock often contains fossils and how do you think this occurs?

• Sedimentary rocks

• Metamorphic

• Igneous

Multiple Choice

Which of the following is an igneous rock?

• Gneiss

• Shale

• Limestone

• Pumice