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Biology --> Water By: Tahira Jamani Date: September 8th 2004 Investigation: Exploring physical properties of water (that have biological significance) Task: Design, then execute, a lab protocol to investigate water properties Research question: Is water co-hesive/ ad-hesive? Hypothesis: If we test water's co-hesion and ad-hesion on various papers, it will vary. For example, if we place water on wax paper, it will not be absorbed and thus helps to prove that it is not very ad-hesive as it will stay in a ball and will easily roll off. Also, the water will be easily broken if we were to try separating it using a metal stick, and this will show weak co-hesive forces. However on the other hand, if we test toilet paper, the water will be absorbed more easily and thus helps to prove that it is more ad-hesive to the paper as it will not be able to roll off. Furthermore, the...

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