Earth Science Index Cards 3.3

A well stimulation technique involving the fracturing of formations in bedrock by a pressurized liquid.

loose-to-consolidated sandstone or porous rock impregnated with bitumen.

An organic-rich fine-grained sedimentary rock containing kerogen (a solid mixture of organic chemical compounds) from which liquid hydrocarbons can be produced.

One of the oldest and largest sources of renewable energy, which uses the natural flow of moving water to generate electricity.

A form of power produced by the natural rise and fall of tides caused by the gravitational interaction between Earth, the sun, and the moon.

heat energy from the Earth—geo (earth) + thermal (heat). Geothermal resources are reservoirs of hot water that exist or are human-made at varying temperatures and depths below the earth’s surface.