What did you do this morning which used Electricity? 2.

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Presentation transcript:

What did you do this morning which used Electricity? 2

Which uses the most electricity in 1 minute ? 3

4

Which uses more electricity in a year in an average household? 5

How is electricity made? Wind Sun Water Nuclear Coal 6

How does electricity get from where it is made to us? This system is called the National Grid 7

Let’s make our own National Grid 8

Your task: Imagine each of you is an electricity pylon, and the string is the wires, connect as many people as possible to the power source. 9

Technology Justice Is this fair? We don’t think so. We believe everyone should be able to have electricity and other things that are essential to life. We call that Technology Justice 1.4 billion people don’t have any electricity that’s one third of the world 33% 1/3 10

Why is electricity so important for Technology justice? …let’s find out why one charity called Practical Action thinks electricity is important and what they are doing to help make technology justice a reality. 11

One way to make electricity is by using the power of the wind Wind turbines can provide energy for communities not connected to the national grid…reaching the very poor. Wind is a renewable energy, it is sustainable… it doesn’t harm other people or the environment. Wind turbines turn the wind into electricity 12

How does a wind turbine work? Wind turns the blades round. They are connected to the generator, so bits inside the generator turn. The generator makes electricity. The electricity can then go through a wire to your house 13

What happens when it goes wrong? Sometimes wind turbines can break! 14

Different kinds of wind turbines There are many different kinds of turbines, each with different features 15

Your task… A set of wind turbine blades has broken in your community, you need to design and build replacement blades 16

Your materials… 17

A wind turbine in rural Africa 18

Enjoyed the workshop? What’s next? See how you could become an engineer working renewable energy Spread the word Tell other people at school and at home what you have learnt Take part in one of Practical Action’s STEM challenges Find out more about renewable energy by going to Ewb-UK.org andEwb-UK.org Practicalaction.org 19

…any questions? 20

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