Types of Rocks

Front

What type of rock may contain fossils?

Back

Sedimentary rocks may contain fossils.

Front

What is the process in which sediment settles out of water or wind?

Back

Deposition is the process in which sediment settles out of water or wind.

Front

What is cementation?

Back

Cementation is the precipitation of minerals that 'glue' the sediment grains together.

Front

What is the decomposition of rocks caused by chemical reactions?

Back

Chemical weathering is the decomposition of rocks caused by chemical reactions.

Front

What type of rock forms from magma or lava?

Back

Igneous rock forms from magma or lava.

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from the Earth's surface by wind or water.

Tags

NGSS.MS-ESS2-2

Front

What is the difference between mechanical and chemical weathering?

Back

Mechanical weathering breaks rocks into smaller pieces without changing their composition, while chemical weathering alters the minerals in the rock.

Front

What are the three main types of rocks?

Back

The three main types of rocks are igneous, sedimentary, and metamorphic.

Front

How do sedimentary rocks form?

Back

Sedimentary rocks form from the accumulation and compaction of sediments.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-1

NGSS.MS-ESS2-3

Front

What is metamorphism?

Back

Metamorphism is the process by which existing rocks are changed into metamorphic rocks due to heat, pressure, or chemically active fluids.