Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 40 · 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 rubber band (b) a battery cell (c) a clear plastic bag (d) a potted plant
2. 2.True or false: give out water vapour is a job of the leaves. (a) True (b) False
3. 3.True or false: a potted plant is not needed for the leafy bag test. (a) False (b) True
4. 4.🪴 Which of these is a job of the stem? (a) hold the plant in soil (b) give out water vapour (c) hold up the leaves (d) make seeds
5. 5.🧺 Do we need a few hours for the leafy bag test? (a) not needed (b) needed
6. 6.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? Which of these is kept the same? (a) sun or shade (b) the kind of plant (c) amount of water drops
7. 7.True or false: take in water from soil is a job of the stem. (a) True (b) False
8. 8.🧺 Do we need a potted plant for the leafy bag test? (a) needed (b) not needed
9. 9.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) gently, not too tight (c) as tight as possible (d) with a hot glue gun
10. 10.True or false: a clear plastic bag is not needed for the leafy bag test. (a) False (b) True
11. 11.⚖️ 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) sun or shade (b) amount of water drops (c) the same kind of bag (d) the time we wait
12. 12.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) yeast (c) a clear plastic bag (d) turmeric powder
13. 13.True or false: yeast is not needed for the leafy bag test. (a) False (b) True
14. 14.🔮 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
15. 15.🪴 Which of these is a job of the flower? (a) make food in sunlight (b) give out water vapour (c) make seeds (d) take in water from soil
16. 16.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a magnet (b) a potted plant (c) a few hours (d) sunlight
17. 17.🔮 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
18. 18.🧺 Which of these is not needed for the leafy bag test? (a) a magnet (b) a potted plant (c) a rubber band (d) a few hours
19. 19.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) sunlight (c) vinegar (d) a potted plant
20. 20.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it changes colour (c) it can block breathing (d) it is too big
21. 21.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a rubber band (c) a clear plastic bag (d) a battery cell
22. 22.⚖️ 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
23. 23.🪴 Which of these is a job of the roots? (a) make food in sunlight (b) take in water from soil (c) give out water vapour (d) carry water upward
24. 24.🪴 Which of these is a job of the leaves? (a) give out water vapour (b) hold the plant in soil (c) hold up the leaves (d) carry water upward
25. 25.⚖️ 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 measure it (b) we keep it the same (c) we change it
26. 26.🪴 Which part of a plant does this job: carry water upward? (a) roots (b) flower (c) stem (d) leaves
27. 27.True or false: hold the plant in soil is a job of the roots. (a) True (b) False
28. 28.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
29. 29.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the hot sunny day (b) neither of them (c) the cool cloudy day (d) both the same
30. 30.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) veins (c) stomata (d) roots
31. 31.⚖️ 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
32. 32.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
33. 33.🪴 Which part of a plant does this job: hold the plant in soil? (a) leaves (b) flower (c) roots (d) stem
34. 34.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) tiny insects (c) nothing at all (d) tiny water drops
35. 35.⚖️ 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
36. 36.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the kind of plant is kept the same. (a) True (b) False
37. 37.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
38. 38.True or false: carry water upward is a job of the stem. (a) False (b) True
39. 39.🧺 Which of these is not needed for the leafy bag test? (a) yeast (b) a clear plastic bag (c) a few hours (d) a potted plant
40. 40.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a potted plant (c) sunlight (d) turmeric powder

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