National Grid and Electricity Basics
Discover the key elements of power generation and transmission through a National Grid jigsaw activity. Learn about voltage, current, the National Grid system in the UK, and the role of transformers. Engage in group work to assemble the jigsaw and place labeled cards correctly. Explore electricity generation methods and transformer functions.
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Presentation Transcript
National Grid Jigsaw Making a jigsaw that shows the main elements in power generation and transmission
Stay safe Whether you are a scientist researching a new medicine or an engineer solving climate change, safety always comes first. An adult must always be around and supervising when doing this activity. You are responsible for: ensuring that any equipment used for this activity is in good working condition behaving sensibly and following any safety instructions so as not to hurt or injure yourself or others Please note that in the absence of any negligence or other breach of duty by us, this activity is carried out at your own risk. It is important to take extra care at the stages marked with this symbol:
Electricity Electricity has two characteristics: voltage and current Current is the rate of flow of electric charge Voltage is the difference in electric potential between two points The electricity we use in our home is 230 volts
National Grid The National Grid moves electrical power around the United Kingdom Electricity is generated by power stations or renewable sources The voltage of this electricity is stepped up from 25,000 volts to 275,000 to 400,000 volts It is then moved across the country using power lines on pylons Finally, the voltage is stepped down to 230 volts and supplied to homes and industry
Your task Get into groups of two or three Work together to complete the National Grid jigsaw Place the labelled cards on the right parts of the picture
Power station Step up transformer Step down transformer Homes and businesses Power lines
Extension Using the internet, identify the different methods used to generate electricity. What are the advantages and disadvantages of each method? Investigate what a transformer is used for. Why is it needed?
