Social Studies Grade 4 v2

Week 27 of 32 • Page 4

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Types of Resources

Chernobyl disaster, 1986

The Nuclear Age During the 1960s, nuclear power plants were built. Nuclear energy is created when atoms are split in a reactor. The energy is then made into electricity. The electricity is then delivered through the wiring system created by Tesla and Westinghouse. Nuclear power can be dangerous if the nuclear reactor is damaged. Such damage would affect millions of people over thousands of miles. Wind and Solar Today, many entrepreneurs are using motors to create electricity. The motors are powered by the wind, using wind turbines. The wind turns propeller-like blades that spin

the motor to create electricity. Energy from the sun is also being used to create electricity with solar panels. Private individuals can have wind and solar power on their land. The energy created can be used by the individual or in small family communities. There are laws and regulations in place to protect consumers when Thin strands of glass can be used to transport light pulses across distances. The strands are bundled together to look like wire. Fiber optics technology provides homes and businesses with internet, phone, and television services. buying energy. Fiber Optics

Alta Wind Energy Center

What are the most common types of energy sources you use in your everyday life?

Rice Dryer Solar Farm

Energy Source Research Choose one of the sources of energy you read about. Conduct a short research project. Identify the pros and cons of your energy source. What are the effects on the land, environment, and communities?

Nuclear power plant

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