5.1 The Rock Cycle

Question 1

Erosion

Answer 1

The removal of weathered materials from a place by agents such as water, wind, or ice.

Question 2

Igneous rock

Answer 2

A rock formed by crystallization of minerals from magma or lava.

Question 3

Metamorphic rock

Answer 3

A rock formed when heat or pressure transforms a pre-existing rock into a different kind of rock, usually involving a change of minerals present in the rock.

Question 4

Rock Cycle

Answer 4

A series of processes that transform one rock type into a sediment, another rock type, or magma.

Question 5

Sediment

Answer 5

A deposit of loose mineral grains, such as gravel, sand, silt, and clay, which might be formed by the breakdown of pre-existing rocks, or by organisms in water that produce hard shells of various kinds.

Question 6

Sedimentary rock

Answer 6

A rock formed by the compaction and cementation of sediments.

Question 7

Weathering

Answer 7

The breakdown of rocks to form sediments.