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प्रश्न
Fill in the blank
Geothermal energy is the heat of the _______.
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उत्तर
Geothermal energy is the heat of the earth.
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संबंधित प्रश्न
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?
Hydroelectricity is considered a good energy option for the future. Why?
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.
Match the following.
| Column A | Column B |
| 1. Solar energy | (i) Ganga |
| 2. Hydroelectricity | (ii) Windmill |
| 3. Coal | (iii) Sun |
| 4. Wind | (iv) Non-renewable |
| 5. Farakka barrage | (v) Water |
Choose the correct answer.
Photovoltaic cells use the energy of
What is tidal energy?
What is biogas? How is it useful to us?
Explain briefly geothermal energy.
On the outline map of India given here, mark and name any five hydroelectric projects in India.
Where does your water come from?
Each city has a different source for its water supply like reservoirs, rivers, or wells. Find out where your town or city gets its supply of water from.
