List of Terms and Definitions

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cycle 

A sequence of processes or actions that repeat themselves in a predictable order

 erosion*

The process of moving sediment from one place to another

How do certain factors affect the erosion of soil by water? Virtual Lab

igneous*

A type of rock that forms from melted rock that cools and hardens




igneous rock

When magma cools, it forms igneous rocks

lava

Melted rock coming from a volcano;
also: such rock that has cooled and hardened

magma

Molten rock material within the earth

metamorphic*

A type of rock that forms when heat or pressure change an existing rock




metamorphic rock

When any rock is exposed to heat and pressure it reacts by changing since it is pressed really hard and super-heated.

mineral

A solid substance that occurs naturally in rocks or in the ground

Mineral Virtual Lab

molten

Melted especially by very great heat

pressure

the act of pressing; compression

rock

A solid substance made up of one or more minerals

How Are Rocks Classified Virtual Lab

rock cycle

The sequence of processes that change rocks from one type to another over long periods

sedimentary*

A type of rock that forms when layers of sediment are pressed together


sedimentary rock

When sediments are pressed together under a great amount of weight they combine and form solid rocks


sediment

Solid fragments of material that comes from the weathering of rock and are carried and deposited by wind, water, or ice

weathering*

The breaking down of rocks on earth's surface into smaller pieces

How are materials from the Earth broken down? Virtual Lab

*FCAT Tested Vocabulary

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