Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 118 · 40 questions

What you do (Roots in, leaves out): 1. Water the potted plant well. 2. Slip a clear plastic bag over a leafy branch. 3. Close it gently with a rubber band — not too tight. 4. Leave it in the sun for a few hours, then look for drops.

1. 1.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “the size of the plant”? (a) we measure it (b) we keep it the same (c) we change it
2. 2.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much more water (b) it fills with soil (c) exactly the same (d) much less water
3. 3.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it gets wet (c) it changes colour (d) it can block breathing
4. 4.True or false: sunlight is not needed for the leafy bag test. (a) False (b) True
5. 5.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the same kind of bag is what we measure. (a) True (b) False
6. 6.🪴 Through which part does a plant take in water from the soil? (a) the flowers (b) the leaves (c) the roots (d) the fruits
7. 7.🪴 Which part of a plant does this job: give out water vapour? (a) stem (b) flower (c) roots (d) leaves
8. 8.🧺 Do we need a magnet for the leafy bag test? (a) needed (b) not needed
9. 9.True or false: vinegar is not needed for the leafy bag test. (a) True (b) False
10. 10.🧺 Do we need sunlight for the leafy bag test? (a) needed (b) not needed
11. 11.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “sun or shade”? (a) we keep it the same (b) we measure it (c) we change it
12. 12.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the size of the plant is kept the same. (a) False (b) True
13. 13.🪴 Which part of a plant does this job: hold the plant in soil? (a) leaves (b) stem (c) roots (d) flower
14. 14.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? Which of these is what we measure? (a) the time we wait (b) amount of water drops (c) the size of the plant (d) the same kind of bag
15. 15.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “the time we wait”? (a) we keep it the same (b) we change it (c) we measure it
16. 16.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) yeast (c) a battery cell (d) a clear plastic bag
17. 17.True or false: a rubber band is not needed for the leafy bag test. (a) True (b) False
18. 18.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) a mirror (c) a rubber band (d) a magnet
19. 19.🧺 Do we need a few hours for the leafy bag test? (a) not needed (b) needed
20. 20.True or false: a potted plant is needed for the leafy bag test. (a) True (b) False
21. 21.True or false: a mirror is not needed for the leafy bag test. (a) False (b) True
22. 22.🧺 Do we need turmeric powder for the leafy bag test? (a) needed (b) not needed
23. 23.📘 What do we call plants giving out water vapour from their leaves? (a) germination (b) reflection (c) digestion (d) transpiration
24. 24.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the same kind of bag is kept the same. (a) False (b) True
25. 25.True or false: make food in sunlight is a job of the leaves. (a) False (b) True
26. 26.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) roots (b) stomata (c) petals (d) veins
27. 27.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the time we wait is the one thing we change. (a) True (b) False
28. 28.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
29. 29.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a magnet (c) a potted plant (d) sunlight
30. 30.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
31. 31.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) as tight as possible (c) with sharp wire (d) gently, not too tight
32. 32.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: sun or shade is kept the same. (a) True (b) False
33. 33.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) vinegar (c) a rubber band (d) a few hours
34. 34.🪴 Which part of a plant does this job: make food in sunlight? (a) stem (b) leaves (c) roots (d) flower
35. 35.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) hold the plant in soil (c) carry water upward (d) make food in sunlight
36. 36.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a few hours (c) a mirror (d) sunlight
37. 37.True or false: a mirror is needed for the leafy bag test. (a) False (b) True
38. 38.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the same kind of bag is the one thing we change. (a) True (b) False
39. 39.True or false: make food in sunlight is a job of the roots. (a) False (b) True
40. 40.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? Which of these is the one thing we change? (a) amount of water drops (b) sun or shade (c) the time we wait (d) the kind of plant

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