Transpiration Lab Sample Data Table 1. Potometer Readings Time (min) Room Conditio ns Gentle Breeze High Humidit y Strong Light
0
3
0.0
0.00 0.00 0.00 0.01 0.01 0.02 0.02 0.03 0.03 0.04 2 5 8 2 7 2 8 2 6 2
0.0
0.02 5 0.00 2
0.0
0.0
6
0.05 4 0.00 4
9
0.08 8 0.00 6
12
0.11 2 0.00 8
15
0.14 2 0.01 1
18
0.17 5 0.01 4
21
0.20 8 0.01 8
24
0.24 6 0.01 9
27
0.28 3 0.02 1
30
0.32 5 0.02 4
0.02 0.04 0.07 0.09 0.11 0.14 0.15 0.18 0.21 0.23 1 2 0 1 2 1 8 3 8 9
Mass of all leaves (g) Mass of 1 cm2 of leaf (g) Mass per m2 of leaf (g/m2) Leaf surface area (m2)
1.200 0.010 100 0.012
Table 2. Water Loss (mL/m2) Time (min) Room Conditio ns Gentle Breeze High Humidit y Strong Light
0
3
0.0
0.16 0.41 0.66 1.0 7 6 7
0.0
2.08 4.52 7.30 9.38 11.8 14.5 17.3 20.4 23.6 27.0 1 9 7 9 2 9 0.14 0.36 0.51 0.66 0.88 1.18 1.48 1.62 1.77 1.99 7 9 7 4 6
0.0
0.0
6
9
12
15
18
21
24
27
1.42 1.83 2.33 2.67 3.0
30 3.5
1.76 3.52 5.86 7.62 9.38 11.7 13.1 15.2 18.1 19.9 3 9 4 8 3