1. Renewable Energy Vocabulary

2. Biomass
Energy that is produced from organic materials

3. Biofuel
Fuel from organic sources

4. Biopower
Electricity generated by the combustion of organic materials

5. Ground Source Heat Pump
A network of pipes that circulates water from the ground (for heating) back into the ground (for cooling)

6. Hydropower
Electricity generated from the energy of moving water

7. Tidal Energy
Electricity generated from the energy of moving water

8. Ocean Thermal Energy Conversion
The process of changing solar energy stored in the ocean to electric power

9. Passive Solar Heating
Using the design of a building to collect, store, and distribute the sun’s energy

10. Active Solar Heating
The use of technology to collect, store, and distribute the sun's energy

11. Flat-Plate Solar Collector
A metal box that absorbs the sun’s energy to heat water or air

12. Photovoltaic Cell
A device that converts solar energy directly into electricity

13. Concentrating Solar Power
A technology that uses the heat of the sun to generate electricity

14. Wind Turbine
A device that converts the wind’s kinetic energy into electrical energy

15. Electrolysis
A process that releases hydrogen by using an electric current to break down water molecules

16. Fuel Cell
A device that converts hydrogen or another fuel into electricity