Advertisements
Advertisements
Question
What is tidal energy?
Solution
Tidal energy is an inexhaustible source of energy. It is energy generated from ocean tides. High tides in coastal areas are used to generate power. Tidal energy is generated free of cost.
APPEARS IN
RELATED QUESTIONS
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.
Fill in the blank
Geothermal energy is the heat of the _______.
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
Which countries are major producers of wind power in the world?
What is biogas? How is it useful to us?
Explain briefly geothermal energy.
Large – scale hydroelectric projects have an impact on the environment. Search the Internet to find out how these projects affect the flora and fauna, and people’s lives in the area.
On the outline map of India given here, mark and name any five hydroelectric projects in India.
