Rocks

What is a rock cycle?

The process of rocks changing from one type to another over time.

What is a mineral?

A natural solid substance found in the earth with a specific makeup.

What is an igneous rock?

Rocks formed from melted magma or lava that cools and hardens.

What is a metamorphic rock?

Rocks formed from other rocks under heat and pressure without melting.

What is a sedimentary rock?

Rocks formed from layers of sediments pressured over time.

What is weathering?

The breaking down of rocks into smaller pieces by natural forces.

What is an erosion?

The movement of weathered materials by wind water or ice.

What is deposition?

The process of dropping or settling of eroded materials.

What is melting?

The changing of rocks into liquid form due to heat.

What is cryzallation?

The process of forming crystals from melted rock or dissolved minerals.

What is sediment?

Small pieces of rock soil or organic material carried and deposited by water wind or ice.

What is cementation?

The process by which sediments are glued together by minerals dissolved in water.

What is compaction?

The process of pressing sediments together reducing pore space and solidifying them into rock.