Natural Sciences and Technology Grade 6 Term 3: Energy and Change Mains Electricity (ppt 6)
Topic 4 Mains Electricity Wind Energy (Part 1) Natural Sciences and Technology - Grade 6
Natural Sciences and Technology - Grade 6 What is Wind Energy? Wind is used to make electricity. Natural Sciences and Technology - Grade 6
Natural Sciences and Technology - Grade 6 What is a Wind Farm? A wind farm is a large area of land on which there are a number of wind turbines generating electricity. Natural Sciences and Technology - Grade 6
Natural Sciences and Technology - Grade 6 How does it work ? The wind turns the turbine blades. The turbine blades turn an electrical generator. This creates electrical energy or electricity. Natural Sciences and Technology - Grade 6
Is wind power renewable? Yes, wind power is renewable. The wind must blow at a minimum of 16km/h for it to work. Natural Sciences and Technology - Grade 6
Natural Sciences and Technology - Grade 6 Where would you find the wind farm? You get four types of wind farms: On Shore Near Shore Off Shore In certain inland areas Natural Sciences and Technology - Grade 6
Natural Sciences and Technology - Grade 6 What are the Advantages? Wind is free. Wind turbines are easy to maintain, so this does not cost a lot of money. It can be used in areas where there is no electricity supplied by Eskom. A wind turbine takes up little space. Wind turbines produce energy with minimal damage to the world’s environment and produces "clean power“. Natural Sciences and Technology - Grade 6