Unit 3: Alternative Resources, Environmental Science B

Front

The ability to do work

Back

Energy:

Definition

Front

-Mechanical

-Thermal

-Chemical

-Kinetic

Back

Energy:

Examples

Front

Energy from the sun converted into a usable form

Back

Solar Power:

Definition

Front

-High upfront cost

-Affected by the weather

-Low maintenance cost

Back

Solar Power:

Facts

Front

Generates electricity from flowing water

Back

Hydropower:

Definition

Front

-High upfront costs

-Depends heavily on rainfall amounts

-Clean and safe resource

-Equipment has long lifespan

-Immediate power is available

Back

Hydropower:

Facts

Front

Harnesses the kinetic energy of moving air to generate electricity using turbines

Back

Wind Power:

Definition

Front

-Causes no air pollution

-Sustainable through the wind created by the sun’s heating of the atmosphere

-Can be harmful to local wildlife

-Uses wind to spin propeller-like blades around a rotor which turns a generator

Back

Wind Power:

Facts

Front

Heat from deep inside the Earth that can be used for energy

Back

Geothermal Power:

Definition

Front

-Not dependent on weather

-Constantly available

-Up to 80% cheaper than fossil fuels

-Expensive drilling and exploration

Back

Geothermal Power:

Facts