Learn the key concepts of Science topic - Energy
Click to study the Complete Theory of Energy and practice a lot of questions difficulty wise on this biotechnology topic that can be asked in your competitive exam.
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Energy FAQs
What are natural sources of energy?
The natural resources around us provide a variety of energy sources. It was wood during the Stone Age. We had coal during the iron age. We now have fossil fuels such as petroleum and natural gas.
Give example of renewable sources of energy.
Examples of renewable sources of energy are: Solar energy, Geothermal energy, Wind energy, Biomass, Hydropower, Tidal energy
What is tidal energy?
A tidal estuary is a body of water that is partially enclosed. They have one or more rivers or streams that flow into them and connect to the open sea. Although wave and tidal power are renewable energy sources, there are concerns that tidal power generation will harm marine and bird life in river estuaries.
How is nuclear energy derived?
Nuclear energy is derived from naturally occurring radioactive material.
What are the main characteristics of Good energy sources?
Good energy sources should have the following characteristics:
- Maximum heat production per unit volume/mass used
- Ease of transport
- Low pollution
- Economical
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