Lesson 5.04 Hydroelectric Energy and Wind Energy

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This renewable source of energy uses the kinetic energy of flowing water to produce electricity?
1. Hydroelectric Energy
2. Wind Energy
Answer: a. Hydroelectric Energy
This renewable source of energy uses air flow in the earth’s atmosphere to generate electricity
1. Hydroelectric Energy
2. Wind Energy
Answer: b. Wind Energy
What kind of energy is water stored behind a dam that will be used to generate electricity?
1. Kinetic Energy
2. Chemical Energy
3. Potential Energy
4. Wind Energy
Answer: c. Potential Energy
What are the names of the structures that are used to harness wind energy?
1. Wind Dams
2. Wind Turbines
3. Wind Meters
4. Wind Vanes
Answer: b. Wind Turbines
Which of the following does NOT determine how much electricity a wind turbine can generate?
1. Wind Speed
2. Blade Radius
3. Tower Height
4. Air Quality
Answer: d. Air Quality
Which type of air has more kinetic energy?
1. Dense Air
2. Thin Air
Answer: a. Dense Air
Which of the following is a disadvantage of using hydroelectric power to generate electricity?
1. emits carbon dioxide into the atmosphere
2. It is an intermittent source of energy
3. It changes the characteristics of the river
4. It produces harmful wastes that must be disposed of after electricity is generated.
Answer: c. It changes the characteristics of the river
How long ago was hydropower energy first used?
1. Thousands of years ago
2. 1880
3. 1882
4. 2000
Answer: a. Thousands of years ago
Which renewable source of energy is the least efficient in Alabama?
1. Hydroelectric Energy
2. Wind Energy
Answer: b. Wind Energy
Which is a disadvantage of using wind energy?
1. it produces harmful emissions
2. it can disrupt wind patterns
3. it interferes with commercial aircraft
4. it is an intermittent source of energy
Answer: d. it is an intermittent source of energy