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Lab Activities for 10 marks.
1) Factors affect the rate of evaporation of water.
2) The effects of different substances on fruit oxidation.
3) To observe chemical displacement reaction.
4) Determine the focal length of a concave mirror.
Project works 10 marks.
1) Collect information about working of natural geysers.
2) Comparing specific heat of water and vegetable oil.
3) Collect the information about natural food preservatives.
4) Uses of concave and convex mirrors in our daily life.