- 9 water hyacinths (5 for main experiment, 4 for control setup)
- Hydrochloric acid (30ml per day)
- Distilled water (30ml per day)
- Toothpaste (10 grams worth mixed in 20ml of distilled water to form homogenous mixture)
- Sodium hydroxide (30ml per day)
- Tap water to water the plants in the growing process and also to water the plants in the control setup (30ml per day)
- Ruler
- Measuring cylinder
- Glass box or plastic container
- Small pot/container
A science SIA carried out by Eleanor Loh, Fu Yixuan and Jia Jixuan of class 207.
Thursday, May 2, 2013
Materials and Apparatus Used
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