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Investigate which surface of a leaf loses more water by transpiration.
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- Words:
- 2367
- Submitted:
- Fri Mar 05 2004
... PLAN SECTION 1 An investigation into which surface of a leaf transpires more by transpiration. Brief statement of investigation I am going to investigate which surface of a leaf loses more water by transpiration. I will do this by covering certain sides in a layer of Vaseline. The Vaseline will prevent transpiration occurring on that particular side allowing me to see which side transpires more. Risk assessment The number of risks in this assessment is minimal but the following risks will be present: * Any leaves must not be consumed * Extreme care must be taken when handling glass Vaseline pots * Paper clips must be handled with care and must not be uncoiled * All personal property should be tucked away while the experiment is being carried out Independent variable The surface(s) covered by Vaseline i.e. topside or underside. Dependent variable The amount of transpiration that occurs from a particular surface and therefore the amount of weight lost due to transpiration from one
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