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Monday 2 July 2012

Is it Alive - Observation of Substances in Water

 Table 1 

  1. Label the tube A, B, C, D and E.
  2. Carefully transfer 1 spatula full of each of the substances A, B , C, D and E into the respective test tube. 
  3. Add 3ml of water to each of the tube. Mix well using the wooden splinter.
  4. Start your stopwatch.
  5. Observe. Write your observations in table 1. Take readings if you have to.
  6. After 10 mins, record the observation again.
  7. What is your inference for each of the substance? Is there any evidence of life?


Pictures taken from Park Jiwon at 



Substances A, B, C, D and E (from left to right) at 0 minutes


Substances A, B, C, D and E (from left to right) at 10 minutes






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