Glossary entry (derived from question below)
English term
biogas
see clues of their presence when you make biogas. With adult help, put rotting organic matter such as dirt, plants and fruit and vegetable scraps into a plastic bottle. Stretch an un-inflated balloon over the opening of the bottle.
Place the bottle near a heat source or in direct sun. What happens to the balloon over the next five to ten days? Why does this happen? Think of how useful microorganisms are in the world, and what would happen if they did not exist.
For more biogas ideas visit
www.pge.com/microsite/safety_esw_ngsw/ngsw/basics/experimen...
Sep 4, 2011 18:09: changed "Kudoz queue" from "In queue" to "Public"
Non-PRO (2): Evonymus (Ewa Kazmierczak), Michal Berski
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Proposed translations
Biogaz
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Note added at 26 mins (2011-09-04 18:35:35 GMT)
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albo, nawet, biogaz
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