- Test Papers 2009-2010
- CBSE Test Papers for class 10 Science and Technology based on topic Sources of Energy for the year 2009-2010. All important points related to this topic are covered here. What is a good source of energy? Conventional sources of energy-fossil fuels, thermal-power plants, hydro-power plants, improvements in the technology for using conventional sources of energy-bio-mass, wind energy. Alternative or non-conventional sources of energy-solar energy, energy from the sea-tidal energy, wave energy, ocean thermal energy, geothermal energy, nuclear energy, environmental consequences, how long will energy source last us?
