Energy & Waste Unit Vocab

Front

Resource in fixed amount on Earth, extracted faster than formed.

Back

nonrenewable resources

Front

Injecting water mixed with sand and chemicals underground through gas wells, then using explosives to fracture rock and release natural gas.

Back

fracking (hydraulic fracturing)

Front

Electrical energy from falling or flowing water.

Back

hydropower

Front

Plant materials and animal wastes used as fuel.

Back

biomass

Front

Nuclear reactions releasing energy for heat generation.

Back

Nuclear power

Front

Natural effect releasing heat in lower atmosphere as gases absorb heat from Earth's surface.

Back

greenhouse effect

Front

CO2 generated by an individual or organization over time.

Back

carbon footprint

Front

A resource that can be replenished quickly through natural processes if not overused.

Back

renewable resource

Front

Percentage of total energy input that does useful work.

Back

all of the above

Front

Direct radiant energy from the sun converted into chemical energy on Earth.

Back

solar energy