Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 150 · 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: a magnet is needed for the leafy bag test. (a) False (b) True
2. 2.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
3. 3.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) it fills with soil (b) much less water (c) much more water (d) exactly the same
4. 4.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) tiny water drops (c) nothing at all (d) salt crystals
5. 5.🪴 Which part of a plant does this job: hold the plant in soil? (a) flower (b) stem (c) roots (d) leaves
6. 6.True or false: a rubber band is not needed for the leafy bag test. (a) False (b) True
7. 7.True or false: take in water from soil is a job of the stem. (a) True (b) False
8. 8.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it wilts and droops (c) it flowers more (d) it grows faster
9. 9.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a potted plant (c) yeast (d) sunlight
10. 10.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) turmeric powder (c) a rubber band (d) a few hours
11. 11.True or false: make food in sunlight is a job of the leaves. (a) True (b) False
12. 12.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) vinegar (b) a few hours (c) a rubber band (d) a potted plant
13. 13.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it gets wet (c) it is too big (d) it can block breathing
14. 14.True or false: make seeds is a job of the stem. (a) True (b) False
15. 15.🪴 Which of these is a job of the leaves? (a) hold the plant in soil (b) make food in sunlight (c) take in water from soil (d) hold up the leaves
16. 16.🪴 Which of these is a job of the leaves? (a) hold up the leaves (b) make seeds (c) give out water vapour (d) carry water upward
17. 17.🪴 Which of these is a job of the stem? (a) hold the plant in soil (b) hold up the leaves (c) make seeds (d) make food in sunlight
18. 18.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) a clear plastic bag (c) turmeric powder (d) a magnet
19. 19.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the same kind of bag is the one thing we change. (a) False (b) True
20. 20.True or false: yeast is needed for the leafy bag test. (a) True (b) False
21. 21.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) veins (b) stomata (c) roots (d) petals
22. 22.⚖️ 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 kind of plant (b) sun or shade (c) the size of the plant (d) amount of water drops
23. 23.🧺 Which of these is not needed for the leafy bag test? (a) turmeric powder (b) a rubber band (c) sunlight (d) a potted plant
24. 24.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a rubber band (c) a mirror (d) sunlight
25. 25.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
26. 26.⚖️ 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) the time we wait (b) amount of water drops (c) sun or shade
27. 27.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
28. 28.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the same kind of bag is kept the same. (a) True (b) False
29. 29.⚖️ 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 measure it (b) we change it (c) we keep it the same
30. 30.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
31. 31.True or false: vinegar is not needed for the leafy bag test. (a) False (b) True
32. 32.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a few hours (c) a battery cell (d) a clear plastic bag
33. 33.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
34. 34.True or false: vinegar is needed for the leafy bag test. (a) False (b) True
35. 35.True or false: hold up the leaves is a job of the leaves. (a) False (b) True
36. 36.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a magnet (b) a few hours (c) sunlight (d) a rubber band
37. 37.True or false: a clear plastic bag is not needed for the leafy bag test. (a) False (b) True
38. 38.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) both the same (b) the cool cloudy day (c) the hot sunny day (d) neither of them
39. 39.True or false: a few hours is needed for the leafy bag test. (a) False (b) True
40. 40.True or false: a mirror is not needed for the leafy bag test. (a) False (b) True

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