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Plants lose water through their
leaves by transpiration. The loss of water from a potted
geranium plant can be found by measuring its mass regularly.
The histogram below shows how much water a plant loses over 24
hours.
Remember: 1 cm3 of water has a mass of 1
gramme.
| 1. Why do you
think that there is a plastic bag wrapped around the pot and the soil? |
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| 2. When did the
plant lose the most water? |
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| 3. When did the
plant lose the least water? |
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| 4. How can we
explain these results? |
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| 5. What is the
total amount of water lost by the plant in 24 hours? |
Space for
calculation:
Answer =
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