Wednesday, 3 July 2013

Comment ur reseach questions and topics below (total must have 4)


  1. 1) Effects of pollutants on plants
    2) Effects of different concentration of salt on plants
    3) Factors affecting the speed of a aeroplane.
    4) Factors affecting the amount of germs and bacteria washed off after laundry is washed.

  2. 1)Effect of Sodium Chloride on plants
    2)Effect of Chlorine on plants
    3)Effects of making a robotic hand using pneumatics
    4)Effects of multicolored lights on the growth of plants