Introduction of Energy and Power Resources

Hydroelectricity is considered a good energy option for the future. Why?

Choose the correct answer.

Photovoltaic cells use the energy of

What is tidal energy?

Which countries are major producers of wind power in the world?

What is biogas? How is it useful to us?

Explain briefly geothermal energy.

Discuss the ways by which you can conserve energy, especially petroleum and electricity, in your homes and school. What changes do you need to make in your daily routine to save these precious resources?

Electricity is very important for all of us. We need it for our homes, offices, industries, and agriculture.
Make a list of five different ways in which you can save electricity, for instance, switching off fans, ACs, light at home, and in school when these things are not required.