Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 220 · 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.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) as tight as possible (c) gently, not too tight (d) with sharp wire
2. 2.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a battery cell (c) a clear plastic bag (d) a potted plant
3. 3.True or false: a battery cell is not needed for the leafy bag test. (a) True (b) False
4. 4.⚖️ 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) amount of water drops (c) the kind of plant
5. 5.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) sunlight (c) a rubber band (d) turmeric powder
6. 6.True or false: hold the plant in soil is a job of the roots. (a) True (b) False
7. 7.🪴 Which part of a plant does this job: take in water from soil? (a) leaves (b) roots (c) flower (d) stem
8. 8.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) roots (c) veins (d) stomata
9. 9.🪴 Through which part does a plant take in water from the soil? (a) the roots (b) the fruits (c) the flowers (d) the leaves
10. 10.🪴 Which part of a plant does this job: hold the plant in soil? (a) stem (b) roots (c) leaves (d) flower
11. 11.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) a potted plant (c) a mirror (d) a rubber band
12. 12.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a few hours (c) a mirror (d) a potted plant
13. 13.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it changes colour (c) it is too big (d) it can block breathing
14. 14.🧺 Which of these is needed for the leafy bag test? (a) a potted plant (b) a battery cell (c) yeast (d) turmeric powder
15. 15.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) germination (c) transpiration (d) reflection
16. 16.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
17. 17.⚖️ 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
18. 18.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
19. 19.True or false: hold up the leaves is a job of the leaves. (a) True (b) False
20. 20.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
21. 21.🪴 Which part of a plant does this job: carry water upward? (a) flower (b) roots (c) stem (d) leaves
22. 22.True or false: a magnet is needed for the leafy bag test. (a) True (b) False
23. 23.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the hot sunny day (b) both the same (c) the cool cloudy day (d) neither of them
24. 24.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the size of the plant is the one thing we change. (a) True (b) False
25. 25.True or false: make food in sunlight is a job of the flower. (a) False (b) True
26. 26.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a magnet (c) a few hours (d) a clear plastic bag
27. 27.True or false: give out water vapour is a job of the leaves. (a) True (b) False
28. 28.⚖️ 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 same kind of bag (b) the kind of plant (c) amount of water drops (d) the time we wait
29. 29.⚖️ 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) amount of water drops (b) the same kind of bag (c) sun or shade (d) the kind of plant
30. 30.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it turns blue (c) it grows faster (d) it wilts and droops
31. 31.True or false: a battery cell is needed for the leafy bag test. (a) False (b) True
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 same kind of bag”? (a) we keep it the same (b) we change it (c) we measure it
33. 33.True or false: a rubber band is not needed for the leafy bag test. (a) False (b) True
34. 34.True or false: carry water upward is a job of the stem. (a) False (b) True
35. 35.⚖️ 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
36. 36.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a few hours (c) yeast (d) a clear plastic bag
37. 37.🔍 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
38. 38.🪴 Which part of a plant does this job: hold up the leaves? (a) roots (b) stem (c) leaves (d) flower
39. 39.True or false: yeast is needed for the leafy bag test. (a) False (b) True
40. 40.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed

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