U3P2 Vocab

Front

Weathering

Back

Breaking down of rocks and materials on Earth's surface.

Front

Erosion

Back

Processes that break down rock, sand, and soil and carry them away.

Front

Physical (Mechanical) Weathering

Back

Breaks rock into smaller pieces without changing its chemistry; typically wind and water.

Front

Chemical Weathering

Back

Breaks down rock into smaller pieces by changing its chemistry (e.g., carbonation, oxidation).

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Ground Water

Back

Water found below the Earth's surface, stored in porous rocks.

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Surface Water

Back

Water above the land, including lakes, rivers, streams, ponds, floodwater, and runoff.

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Ecoregion

Back

A large area with distinct plant/animal communities, climate, and ecological features.

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Catastrophic Event

Back

A violent or destructive event causing rapid major changes to organisms and their environments, like floods or earthquakes.

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Equilibrium

Back

When two or more items or aspects are in balance.

Front

Lichen: An organism made of a fungus and algae or autotrophic bacteria in a mutualistic relationship, forming crust-like growths on rocks or trees.

Back

An organism made of a fungus and either algae or autotrophic bacteria that live together in a mutualistic relationship. Forms a crust-like growth on rocks or trees.