Unit 8 Vocab, 7th Grade Science

Front

A violent, destructive natural occurrence

Back

catastrophic event

Front

Percentage of void space in a rock

Back

porosity

Front

Process breaking down exposed rock and surfaces by weather elements (wind, water, ice)

Back

Weathering

Front

Prevention of wasteful resource use

Back

Conservation

Front

Ability of a material to allow water to pass through

Back

Permeability

Front

Water beneath the Earth's surface

Back

Ground water

Front

Permeable rock layer that holds or transports water

Back

aquifer

Front

drought

Back

prolonged low rainfall causing water shortage.

Front

Earthquake

Back

A sudden, violent shaking of the ground, causing destruction due to movements within the earth's crust.

Front

Plants in a specific area or habitat

Back

Vegetation