wind turbine
Definition
A wind turbine is a device that converts the kinetic energy of the wind into mechanical energy. The mechanical energy can then be used to generate electricity, pump water, or grind grain.
Wind turbines typically consist of three blades that are mounted on a tall tower. The blades are connected to a generator, which converts the rotational energy of the blades into electricity.
The amount of electricity that a wind turbine can generate depends on the wind speed. The faster the wind speed, the more electricity the wind turbine can generate.
Wind turbines are a clean and renewable source of energy. They do not produce greenhouse gases, which contribute to climate change.
Wind turbines are also a reliable source of energy. They can operate 24 hours a day, 7 days a week, regardless of the weather.
Wind turbines are a promising technology for generating electricity. They are becoming increasingly popular as people look for ways to reduce their reliance on fossil fuels.
How can the word be used?
The wind turbine farm is located in the desert.
Different forms of the word
Noun: a machine that uses the wind to generate electricity.
Adjective: relating to wind turbines.
Etymology
The word "wind turbine" is a compound word. It is made up of the words "wind" and "turbine".
The word "wind" comes from the Old English word "wind", which means "air in motion".
The word "turbine" comes from the Latin word "turbo", which means "a whirlwind".
The first recorded use of the word "wind turbine" was in the 19th century.
Question
What are the advantages and disadvantages of wind turbines?
AQA Science Exam Question and Answer
Question:
Describe the function and benefits of a wind turbine in renewable energy production. Explain how wind energy is converted into electricity through the operation of a wind turbine.
Answer:
A wind turbine is a device used to harness the kinetic energy of wind and convert it into usable electricity. It plays a significant role in the production of renewable energy, contributing to sustainable and environmentally friendly power generation.
The operation of a wind turbine involves several key components. The rotor, consisting of two or three blades, captures the energy of the wind as it rotates. As the wind blows, it causes the blades to spin, setting the rotor in motion. The kinetic energy of the moving rotor is then transferred to a generator through a shaft. Inside the generator, the rotational motion is converted into electrical energy through electromagnetic induction.
The electricity generated by the wind turbine is then transmitted through power lines and integrated into the electrical grid for distribution to homes, businesses, and other consumers. Wind turbines offer several benefits, including reducing greenhouse gas emissions, mitigating air pollution, and contributing to energy independence by harnessing a renewable and abundant resource.