Biomass is organic material made from plants and animals. Biomass contains stored energy from the sun. Plants absorb the sun’s energy in a process called photosynthesis. The chemical energy in plants gets passed on to animals and people that eat them. Biomass is a renewable energy source because we can always grow more trees and crops, and waste will always exist. Some examples of biomass fuels are wood, crops, manure, and some garbage.

When burned, the chemical energy in biomass is released as heat. If you have a fireplace, the wood you burn in it is a biomass fuel. Wood waste or garbage can be burned to produce steam for making electricity, or to provide heat to industries and homes.


  1. Where does the energy come from?
  2. How do the palnts absorb the energy?
  3. Why is Biomass called “a renewable energy source?
  4. What will be produced if we burn garbage?
  5. Who can take the advantage of  biomass fuels’ existence?

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