Unit 6: Energy Resources and Consumption

Non-Renewable energy sources

exist in a fixed amount and involve energy transformation that cannot be easily replaced

Renewable energy source

can be replenished naturally, at or near the rate of consumption, and reused. Examples include solar, wind, and hydroelectric power.

The use of energy sources is _________________betweeen _____ and ______

not evenly distributed between developed and developing countries.

Most widely used sources of energy globally

fossil fuels

What happens when developing countries become more developed ?

their reliance on fossil fuels for energy increases.

What happens when the world becomes more industrialized?

the demand for energy increases.

What influences which energy sources people use and how they can use them?

Availability, price and governmental regulations

Wood

Commonly used as fuel in the forms of firewood and charcoal. It is used in developing countries because it is easily accessible

Peat

partially decomposed organic material that can be burned for fuel

Natural Gas

the cleanest of fossil fuels, is mostly methane

Crude Oil

Can be recovered from tar sands , which are a combination of clay, sand, water and bitumen

Can be made into specific fuel types for specialized use

Fossil Fuels

When does Cogeneration occur?

When a fuel source is used to generate both useful heat and electricity.