Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 69 · 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.True or false: take in water from soil is a job of the roots. (a) True (b) False
2. 2.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a rubber band (c) a clear plastic bag (d) yeast
3. 3.🪴 Which of these is a job of the roots? (a) make seeds (b) give out water vapour (c) hold the plant in soil (d) carry water upward
4. 4.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the cool cloudy day (b) both the same (c) the hot sunny day (d) neither of them
5. 5.🛟 Why must a plastic bag never go over anyone’s head? (a) it can block breathing (b) it gets wet (c) it changes colour (d) it is too big
6. 6.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) a rubber band (c) a few hours (d) a mirror
7. 7.🪴 Which part of a plant does this job: make food in sunlight? (a) stem (b) flower (c) roots (d) leaves
8. 8.⚖️ 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 measure it (c) we keep it the same
9. 9.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a few hours (c) sunlight (d) vinegar
10. 10.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it wilts and droops (b) it flowers more (c) it turns blue (d) it grows faster
11. 11.🪴 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) hold up the leaves
12. 12.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) turmeric powder (c) a few hours (d) a potted plant
13. 13.⚖️ 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
14. 14.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
15. 15.True or false: a few hours is not needed for the leafy bag test. (a) False (b) True
16. 16.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
17. 17.🪴 Which part of a plant does this job: hold up the leaves? (a) stem (b) roots (c) flower (d) leaves
18. 18.⚖️ 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 the one thing we change. (a) False (b) True
19. 19.True or false: a potted plant is needed for the leafy bag test. (a) False (b) True
20. 20.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) salt crystals (c) tiny water drops (d) nothing at all
21. 21.🪴 Which of these is a job of the stem? (a) give out water vapour (b) make seeds (c) make food in sunlight (d) hold up the leaves
22. 22.True or false: hold the plant in soil is a job of the roots. (a) True (b) False
23. 23.🛟 How should the plastic bag be tied around the branch? (a) gently, not too tight (b) with sharp wire (c) with a hot glue gun (d) as tight as possible
24. 24.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
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 change it (c) we keep it the same
26. 26.🪴 Which part of a plant does this job: give out water vapour? (a) stem (b) roots (c) leaves (d) flower
27. 27.True or false: give out water vapour is a job of the leaves. (a) False (b) True
28. 28.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) yeast (c) sunlight (d) a magnet
29. 29.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) sunlight (c) a potted plant (d) a mirror
30. 30.True or false: a clear plastic bag is needed for the leafy bag test. (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 what we measure. (a) False (b) True
32. 32.⚖️ 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
33. 33.🧺 Do we need a battery cell for the leafy bag test? (a) not needed (b) needed
34. 34.🪴 Which part of a plant does this job: hold the plant in soil? (a) flower (b) stem (c) leaves (d) roots
35. 35.🧺 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 magnet (d) sunlight
36. 36.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a mirror (c) a potted plant (d) yeast
37. 37.True or false: a potted plant is not needed for the leafy bag test. (a) False (b) True
38. 38.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) vinegar (c) a mirror (d) a clear plastic bag
39. 39.🔮 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
40. 40.🪴 Through which part does a plant take in water from the soil? (a) the fruits (b) the roots (c) the flowers (d) the leaves

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