6.3 CPES Study Packet – Electricity and Nuclear Energy (2/10)
Thank You Thomas Edison [449]
4.A ______has large curved blades that rotate like the blades of a fan. It is connected by a rotating shaft to a ______.
5.A generator consists of coils of ______wire and an electromagnet that is ______. The movement creates a magnetic field which causes ______to flow along the wire, producing ______.
6.Like many modern-day power plants, Thomas Edison’s electric generating station produced electricity by burning ______to produce ______energy to create ______. The turbine converted this energy to ______energy. The generator converted this energy to ______energy.
7.Electricity is a secondary source of energy. In 1995 ______provided the primary source of energy that produce _____ percent of all electricity generated in the U.S. ______power plants provided the 22 percent of all electricity. The remaining electrical power was provided by ______energy mainly hydroelectric power.
Nuclear Power [450]
18.The major fuel used by nuclear power plants is ______.
19.Energy is released from the fuel when the atoms split apart. This process, called ______, releases huge amounts of ______energy which is used to produce ______.
20.At nuclear power plants and at power plants that burn fossil fuels, turbines are turned by ______.
21.Nuclear power plants produce electricity without producing ______and ______.
22.Under normal operating conditions, nuclear power plants release (fewer/more) radioactive substances into the environment than coal-fired power plants.
23.Nuclear energy was expected to play a major role in Project Independence. List three reasons why few nuclear power plants are being built.
(1) ______(2) ______
(3) ______
24.Identify the events that have caused concern about the safety of nuclear power and have led some countries to establish a “no nuclear” policy. ______
(1) ______(2) ______
25.Countries that are continuing to build nuclear reactors are ______, ______, and ______.
26.Spent fuel from a nuclear power plant (is/is not) radioactive.
(True/false) Although electricity has been generated at nuclear power plants for more than 40 years, there is no permanent site for storage of spent fuel.
6.5 Three-Mile-Island [464]
1.What type of power plant is located on Three-Mile-Island? ______
2.What happened at Three-Mile-Island on March 28, 1979? ______
______
______
3.The ______is designed to prevent the release of ______. Did it function properly? ______
4.A study of cancer rates was not made until _____ years after the accident at Three Mile Island Nuclear Power Plant.
5.What type of cancer might be expected to increase five years after exposure to radiation? ______. Other cancers may take ______to ______years to develop.