Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 34 · 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.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) sunlight (c) a rubber band (d) a magnet
2. 2.⚖️ 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) the time we wait (c) sun or shade (d) the same kind of bag
3. 3.🪴 Which part of a plant does this job: make food in sunlight? (a) flower (b) leaves (c) roots (d) stem
4. 4.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a few hours (c) a potted plant (d) yeast
5. 5.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “the kind of plant”? (a) we measure it (b) we keep it the same (c) we change it
6. 6.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed
7. 7.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) yeast (c) a few hours (d) a potted plant
8. 8.⚖️ 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
9. 9.⚖️ 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 kept the same. (a) True (b) False
10. 10.⚖️ 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) the kind of plant (c) amount of water drops (d) the size of the plant
11. 11.🪴 Which part of a plant does this job: carry water upward? (a) stem (b) flower (c) leaves (d) roots
12. 12.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it is too big (c) it changes colour (d) it can block breathing
13. 13.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “amount of water drops”? (a) we change it (b) we keep it the same (c) we measure it
14. 14.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) with a hot glue gun (c) gently, not too tight (d) as tight as possible
15. 15.🧺 Do we need yeast for the leafy bag test? (a) not needed (b) needed
16. 16.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) tiny water drops (c) salt crystals (d) tiny insects
17. 17.🧺 Which of these is not needed for the leafy bag test? (a) vinegar (b) a rubber band (c) a potted plant (d) a clear plastic bag
18. 18.🪴 Which of these is a job of the flower? (a) make seeds (b) hold up the leaves (c) carry water upward (d) hold the plant in soil
19. 19.True or false: yeast is needed for the leafy bag test. (a) True (b) False
20. 20.🧺 Do we need a potted plant for the leafy bag test? (a) needed (b) not needed
21. 21.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it turns blue (c) it flowers more (d) it wilts and droops
22. 22.True or false: give out water vapour is a job of the leaves. (a) True (b) False
23. 23.⚖️ 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 change it (b) we measure it (c) we keep it the same
24. 24.True or false: sunlight is not needed for the leafy bag test. (a) True (b) False
25. 25.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
26. 26.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) exactly the same (b) it fills with soil (c) much less water (d) much more water
27. 27.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
28. 28.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) sunlight (c) a rubber band (d) vinegar
29. 29.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) veins (b) stomata (c) petals (d) roots
30. 30.True or false: hold up the leaves is a job of the stem. (a) False (b) True
31. 31.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: amount of water drops is kept the same. (a) False (b) True
32. 32.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a few hours (c) turmeric powder (d) a battery cell
33. 33.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a rubber band (c) sunlight (d) a mirror
34. 34.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) make seeds (c) take in water from soil (d) make food in sunlight
35. 35.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a clear plastic bag (c) sunlight (d) a battery cell
36. 36.🪴 Which of these is a job of the leaves? (a) make food in sunlight (b) carry water upward (c) take in water from soil (d) make seeds
37. 37.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: amount of water drops is what we measure. (a) True (b) False
38. 38.⚖️ 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 change it (b) we keep it the same (c) we measure it
39. 39.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “the same kind of bag”? (a) we measure it (b) we change it (c) we keep it the same
40. 40.True or false: a rubber band is not needed for the leafy bag test. (a) True (b) False

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