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🔬 Science - Class 9
Unit 9 · Energy

Use of Alternative Sources of Energy in Nepal Presentation

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Science and Technology, Class 9, Unit 9

Alternative Energy at Work in Nepal

Water, dung, wind and sun · From hydropower to CNG

What We Will Learn

💧

Explain how hydroelectricity is generated

✅

State the advantages of hydroelectricity

🔄

Recognise what alternative energy means

🇳🇵

Describe how briquettes, biogas, wind and solar energy are used

From Water to Electricity

1
River water collects behind the dam
2
Water rushes down through the penstock
3
The push of the water spins the turbine
4
The coil spins in a magnetic field and current is produced
5
The transformer raises the voltage and sends it to substations

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Presenter notes: Today we look at how hydroelectricity is made, and then at how Nepal is putting alternative energy sources such as briquettes, biogas, wind turbines and solar dryers to work.