Page 43 - SK Year 6 Science DLP
P. 43

MICROORGANISMS
                                                                                    MIKROORGANISMA


                        Decomposition of organic materials
























                        Microorganisms will decompose          Bacteria are used to treat sewage and
                        chicken, cow or goat faeces. When  destroy toxic wastes found in sewage
                        these materials are mixed with         treatment plants.
                        sawdust, they would decay and
                        form organic fertilisers.


                       Aside from the harmful effects, there
                       are microorganisms that provide              Explain the importance of
                       benefits to other living things.             microorganisms in your
                       These beneficial microorganisms              daily life.
                       are used in food manufacturing,
                       production of antibiotics and vaccines,
                                                                           HOTS
                       decomposition and decay of organic                  HOTS
                       materials, making fertilisers, and
                                                                       Predict what happens if
                       sewage treatment for the well-being             dead living things do not
                       of humans.
                                                                       decay.




                                       CLICK
                                    Lactobacillus is a good bacterium used in making yoghurt.
                                    Lactobacillus also lives in the human intestine to break
                                    down carbohydrates so that food is easily digested and to
                                    prevent diarrhea.




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