Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 61 · 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.📘 What do we call plants giving out water vapour from their leaves? (a) transpiration (b) reflection (c) germination (d) digestion
2. 2.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a potted plant (c) a battery cell (d) a mirror
3. 3.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
4. 4.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
5. 5.True or false: carry water upward is a job of the roots. (a) True (b) False
6. 6.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
7. 7.⚖️ 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) sun or shade
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.⚖️ 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) the kind of plant (b) the size of the plant (c) the time we wait (d) sun or shade
10. 10.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it is too big (c) it can block breathing (d) it gets wet
11. 11.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
12. 12.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) roots (c) veins (d) stomata
13. 13.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) tiny water drops (c) tiny insects (d) salt crystals
14. 14.True or false: sunlight is needed for the leafy bag test. (a) True (b) False
15. 15.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the cool cloudy day (b) the hot sunny day (c) both the same (d) neither of them
16. 16.True or false: take in water from soil is a job of the leaves. (a) True (b) False
17. 17.True or false: take in water from soil is a job of the stem. (a) True (b) False
18. 18.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) vinegar (c) a clear plastic bag (d) a mirror
19. 19.True or false: a mirror is needed for the leafy bag test. (a) True (b) False
20. 20.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it flowers more (c) it turns blue (d) it wilts and droops
21. 21.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) make seeds (c) make food in sunlight (d) take in water from soil
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 what we measure. (a) True (b) False
23. 23.🧺 Which of these is not needed for the leafy bag test? (a) a magnet (b) a few hours (c) a clear plastic bag (d) a rubber band
24. 24.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
25. 25.🛟 How should the plastic bag be tied around the branch? (a) gently, not too tight (b) with a hot glue gun (c) with sharp wire (d) as tight as possible
26. 26.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) sunlight (c) a battery cell (d) yeast
27. 27.🧺 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 magnet (d) a rubber band
28. 28.True or false: carry water upward is a job of the stem. (a) False (b) True
29. 29.⚖️ 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
30. 30.True or false: a potted plant is not needed for the leafy bag test. (a) True (b) False
31. 31.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much more water (b) much less water (c) exactly the same (d) it fills with soil
32. 32.⚖️ 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 keep it the same (c) we measure it
33. 33.🪴 Which of these is a job of the leaves? (a) hold up the leaves (b) make seeds (c) make food in sunlight (d) take in water from soil
34. 34.True or false: a magnet is not needed for the leafy bag test. (a) False (b) True
35. 35.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) vinegar (b) sunlight (c) a clear plastic bag (d) a few hours
36. 36.⚖️ 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 keep it the same (b) we change it (c) we measure it
37. 37.True or false: give out water vapour is a job of the roots. (a) True (b) False
38. 38.True or false: a potted plant is needed for the leafy bag test. (a) False (b) True
39. 39.🪴 Which part of a plant does this job: carry water upward? (a) roots (b) flower (c) leaves (d) stem
40. 40.🪴 Which part of a plant does this job: hold up the leaves? (a) flower (b) stem (c) leaves (d) roots

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