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Sunday, 29 May 2011

Science

Animals / Plants / Magnets 


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Magnet

Magnet attract some materials
This objects are attracted by magnet.
there are :

  • aluminium
  • steel
  • iron
  • nickel
  • cobalt metal





Which metal are not attracted by magnet :
  • wood
  • plastic
  • gold
  • silver
  • cooper
  • and other un-metalic object 


Plants

EXTERNAL FEATURES OF PLANTS


EXTERNAL FEATURES OF PAPAYA TREE
  • SOFT STEM
  • FLOWERING PLANT
  • DULL LEAVES
  • ROUGH LEAVES
  • IRREGULAR SHAPE LEAVES
Pupils always confuse the stem of papaya plants. Actually papaya is soft stem but not woody stem. Some text book write soft stem. Here would like to confirm papaya is soft stem.




EXTERNAL FEATURES OF ROSE
  • FLOWERING PLANT
  • WOODY STEM
  • OVAL SHAPE LEAVES
  • THORNS
  • SMOOTH AND DULL SURFACE LEAVES


Pupils never see the plants of the rose plants, they think that rose plants is soft stem. Teacher should remind pupils or let them see the rose plants to understand rose plants is woody stem.


The both plants of external features above are always confuse by teacher and pupils