Transpiration Report

2048 Words Nov 3rd, 2010 9 Pages
Abstract: The object of this experiment was to study how different environmental conditions affected the rate of transpiration of a plant. The environmental factors we looked at were the affects of various temperatures and different light amounts in the different temperatures. We found that as the temperature warmed up, the rate of transpiration was higher. When the temperature was at five degrees Celsius, the rate of transpiration was very low. When we took out half of the light source and measured the rate of transpiration in the three temperatures we found the same variability of results as earlier where the cold temperature transpired less than the hot temperature but, with less light the overall transpiration rate was less all …show more content…
Then every ten minutes for that hour we marked where the water was on the glass tubing with a black marker. We then repeated the experiment three more times to have more accurate results. For the cold temperature at 5ᵒC and the moderate temperature at 20ᵒC we repeated the steps above but at the different temperatures. For the half light environments at different temperatures we conducted the same experiment but instead of four florescent light bulbs we only had two bulbs on over the plant. Then we repeated the experiment for the 5ᵒC, 20ᵒC, and the 32ᵒC temperatures.
Results
Figure 1 | Cold Temperature Environment at 5ᵒC | | Plant 1 Full light | Plant 1 Half light | Plant 2 Full light | Plant 2 Half light | Plant 3 Full light | Plant 3 Half light | Plant 4 Full light | Plant 4 Half light | 10 | 20mm | 15mm | 30mm | 10mm | 20mm | 20mm | 30mm | 20mm | 20 | 15mm | 10mm | 10mm | 15mm | 10mm | 5mm | 20mm | 15mm | 30 | 10mm | 10mm | 10mm | 5mm | 10mm | 5mm | 10mm | 5mm | 40 | 5mm | 5mm | 10mm | 10mm | 5mm | 5mm | 10mm | 10mm | 50 | 5mm | 5mm | 5mm | 15mm | 10mm | 10mm | 5mm | 5mm | 60 | 5mm | 5mm | 5mm | 5mm | 10mm | 5mm | 10mm | 5mm | Total | 60mm | 50mm | 70mm | 60mm | 65mm | 50mm | 85mm | 60mm |
Figure 1 shows the total distance moved from the starting point after every ten minutes for an hour in cold temperature.

Figure 2
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