Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 37 · 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 part of a plant does this job: hold up the leaves? (a) leaves (b) flower (c) roots (d) stem
2. 2.True or false: a rubber band is needed for the leafy bag test. (a) True (b) False
3. 3.📘 What do we call plants giving out water vapour from their leaves? (a) reflection (b) germination (c) digestion (d) transpiration
4. 4.🧺 Which of these is needed for the leafy bag test? (a) a clear plastic bag (b) turmeric powder (c) a mirror (d) yeast
5. 5.🪴 Which part of a plant does this job: make seeds? (a) roots (b) stem (c) leaves (d) flower
6. 6.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it grows faster (c) it wilts and droops (d) it turns blue
7. 7.🛟 Why must a plastic bag never go over anyone’s head? (a) it can block breathing (b) it changes colour (c) it gets wet (d) it is too big
8. 8.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
9. 9.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) both the same (b) the hot sunny day (c) neither of them (d) the cool cloudy day
10. 10.🪴 Which part of a plant does this job: give out water vapour? (a) stem (b) leaves (c) flower (d) roots
11. 11.True or false: take in water from soil is a job of the flower. (a) False (b) True
12. 12.⚖️ 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 change it (b) we measure it (c) we keep it the same
13. 13.True or false: give out water vapour is a job of the roots. (a) False (b) True
14. 14.True or false: take in water from soil is a job of the roots. (a) False (b) True
15. 15.⚖️ 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 what we measure. (a) True (b) False
16. 16.🪴 Which of these is a job of the flower? (a) carry water upward (b) make seeds (c) make food in sunlight (d) give out water vapour
17. 17.🪴 Which of these is a job of the stem? (a) make seeds (b) carry water upward (c) make food in sunlight (d) give out water vapour
18. 18.True or false: a mirror is needed for the leafy bag test. (a) True (b) False
19. 19.⚖️ 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
20. 20.True or false: a potted plant is not needed for the leafy bag test. (a) False (b) True
21. 21.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a mirror (b) sunlight (c) a potted plant (d) a rubber band
22. 22.🪴 Through which part does a plant take in water from the soil? (a) the flowers (b) the leaves (c) the fruits (d) the roots
23. 23.True or false: a magnet is not needed for the leafy bag test. (a) False (b) True
24. 24.⚖️ 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) amount of water drops (b) the size of the plant (c) sun or shade
25. 25.🔍 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
26. 26.🪴 Where did the water inside the bag come from? (a) the plastic (b) the leaves (c) the rubber band (d) the rain
27. 27.True or false: hold the plant in soil is a job of the flower. (a) True (b) False
28. 28.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a potted plant (c) a battery cell (d) a rubber band
29. 29.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much less water (b) it fills with soil (c) exactly the same (d) much more water
30. 30.True or false: a few hours is not needed for the leafy bag test. (a) True (b) False
31. 31.🧺 Which of these is not needed for the leafy bag test? (a) a magnet (b) a few hours (c) a potted plant (d) a clear plastic bag
32. 32.⚖️ 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) amount of water drops (b) the same kind of bag (c) sun or shade
33. 33.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a few hours (c) a clear plastic bag (d) vinegar
34. 34.⚖️ 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
35. 35.True or false: give out water vapour is a job of the stem. (a) True (b) False
36. 36.⚖️ 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 keep it the same (b) we measure it (c) we change it
37. 37.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
38. 38.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a few hours (c) a battery cell (d) a magnet
39. 39.🪴 Which part of a plant does this job: carry water upward? (a) roots (b) stem (c) flower (d) leaves
40. 40.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a potted plant (c) a few hours (d) vinegar

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