Ch.8 Earth's Processes and Cycles

Front

What is the process of rotting called?

Back

Decay

Front

What is soil?

Back

A mix of tiny rocks and bits of decomposed plant and animal material.

Front

What is compaction in geology?

Back

The process through which layers of sediment are squeezed together by the weight of sediment above, removing water or air from spaces between particles of sediment.

Front

What is thick oil found by drilling beneath Earth's surface called?

Back

Petroleum

Front

What type of rock forms when small bits of materials are pressed together in layers?

Back

Sedimentary rock

Front

What is the main component of soil?

Back

Minerals, organic matter, water, and air.

Front

What is the process of breaking down rocks into smaller pieces called?

Back

Weathering

Front

What is the term for the movement of sediment from one place to another?

Back

Erosion

Front

What type of rock is formed from cooled magma or lava?

Back

Igneous rock

Front

What is the term for rocks that have changed due to heat and pressure?

Back

Metamorphic rock