1. Vocabulary Chapter 5: Lesson 1
Solar energy
Hydroelectric Power
Biomass fuel
Gasohol
Geothermal energy
Nuclear fission
Reactor vessel
Fuel rod
Control rod

2. Solar Energy
Energy from the sun

3. Hydroelectric Power
Electricity produced by flowing water

4. Biomass Fuels Fuels that are made from living organisms
Ex. Leaves, food wastes, manure, trees

5. gasohol
A fuel for cars that is made by adding alcohol to gas

6. Geothermal
The intense heat from Earth’s interior that warms magma

7. Nuclear Fission
The splitting of an atom’s nucleus into two nuclei which releases a lot of energy

8. Reactor Vessel
The part of the nuclear reactor where nuclear fission occurs

9. Fuel Rods
The rods made of radioactive uranium that are in reactors which trigger a series of fission reactions

10. Control Rods
Rods used to slow down the fission reactions if the vessel gets too hot