Chapter 4, Problem AM

KEY TERMS

1. work (4.1) 2. joule 3. foot-pound 4. energy (4.2) 5. kinetic energy

6. potential energy 7. gravitational potential energy 8. conservation of total energy (4.3) 9. conservation of mechanical energy 10. power (4.4)

11. watt 12. horsepower 13. kilowatt-hour 14. alternative energy sources (4.6) 15. renewable energy sources

For each of the following items, fill in the number of the appropriate Key Term from the preceding list.

a. _____ Energy sources other than fossil fuels and nuclear reactions

To determine

Pick the keyword from the given list: Energy sources those are other than nuclear reactions and fossil fuels.

Answer to Problem AM

Alternative energy sources are other than fossil fuels and nuclear reactions.

Explanation of Solution

Alternative energy sources are those energy sources which are not based on the nuclear processes and burning of fossil fuel for example, Biofuel. Gasohol is a biofuel.

Gasohol is a mixture of gasoline and ethanol. Ethanol is used to reduce air pollution when it is burnt with gasoline.

Fossil fuels are the fuels which are obtained by the dead remains of the animals and plants.

Nuclear reaction is the reaction which provides the nuclear energy.

Conclusion:

Therefore, the word alternative energy sources can be picked from the list.