26. The _____ provides one common use for residential heating with the use of geo-
thermal energy.
27. True or False? Geothermal is an ideal energy source because it poses no environ-
mental affects.
28. True or False? Hydrogen could be considered the ultimate energy source because it
can be found in seawater.
29. _____ and _____ are two current methods of breaking the bond between hydrogen
and oxygen in ordinary seawater.
30. _____ is a form of inexhaustible energy that makes use of the temperature differ-
ence between surface water temperatures and depth water temperatures.
Chapter 5
120
1. Design an experimental wind generator. Prepare drawings for building the experi-
mental device and develop a bill of materials for construction. Construct the dem-
onstration project. Test and refine the project.
2. Convert a small gas engine to run on an alternative fuel, like methanol or ethanol.
This project will require research, testing, and modification.
3. Construct, test, and demonstrate a device that will change organic wastes into a
usable energy form.
4. Tour a hydropower, waste-to-energy, or wind turbine generating facility.