Investigating Water Loss in Plants
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We're going to investigate how much water plants lose through transpiration. We'll measure the water loss from three different plants over five days and see if bigger leaves mean more water loss.
Hypothesis
The hypothesis is that plants with big leaves have more stomata and lose more water through transpiration.
Method & Materials
You will need to get four beakers, a measuring cylinder, tap water, and three plants of similar size. Place the plants in the beakers and measure the water in each beaker after five days.
You will need four beakers, a measuring cylinder, tap water, and three plants of similar size.
Results
After five days, the results showed that there was no significant difference in the amount of water lost from each of the beakers. This means that the hypothesis was proven to be false.
Why do this project?
This science project is interesting because it shows that the size of the leaves does not necessarily mean that more water is lost through transpiration.
Also Consider
Consider repeating the experiment using more varieties of plants, or by using just one plant variety but varying the number of leaves. You could also repeat the experiment by calculating the surface area of the leaves and comparing the difference in results.
Full project details
You can find additional information and details for this science fair project here. Have fun exploring!Related videos
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