Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 60 · 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.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it is too big (c) it changes colour (d) it can block breathing
2. 2.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
3. 3.True or false: turmeric powder is not needed for the leafy bag test. (a) False (b) True
4. 4.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) roots (b) veins (c) stomata (d) petals
5. 5.True or false: make food in sunlight is a job of the leaves. (a) True (b) False
6. 6.⚖️ 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 keep it the same (b) we measure it (c) we change it
7. 7.🪴 Which part of a plant does this job: make seeds? (a) stem (b) roots (c) leaves (d) flower
8. 8.🔮 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
9. 9.⚖️ 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) False (b) True
10. 10.🪴 Which part of a plant does this job: carry water upward? (a) flower (b) roots (c) stem (d) leaves
11. 11.🪴 Through which part does a plant take in water from the soil? (a) the roots (b) the fruits (c) the leaves (d) the flowers
12. 12.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it wilts and droops (c) it flowers more (d) it turns blue
13. 13.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a mirror (c) a clear plastic bag (d) sunlight
14. 14.True or false: hold the plant in soil is a job of the flower. (a) False (b) True
15. 15.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) salt crystals (c) nothing at all (d) tiny water drops
16. 16.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “the size of the plant”? (a) we measure it (b) we change it (c) we keep it the same
17. 17.🔮 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 more water (d) much less water
18. 18.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) with a hot glue gun (c) with sharp wire (d) gently, not too tight
19. 19.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
20. 20.🪴 Which part of a plant does this job: hold the plant in soil? (a) leaves (b) stem (c) flower (d) roots
21. 21.⚖️ 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 kind of plant (c) sun or shade (d) the same kind of bag
22. 22.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the rain (c) the leaves (d) the plastic
23. 23.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a battery cell (c) a rubber band (d) yeast
24. 24.True or false: yeast is needed for the leafy bag test. (a) True (b) False
25. 25.True or false: a few hours is not needed for the leafy bag test. (a) True (b) False
26. 26.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: sun or shade is kept the same. (a) True (b) False
27. 27.True or false: a magnet is not needed for the leafy bag test. (a) False (b) True
28. 28.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) sunlight (c) vinegar (d) a clear plastic bag
29. 29.True or false: a rubber band is needed for the leafy bag test. (a) False (b) True
30. 30.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
31. 31.🧺 Which of these is needed for the leafy bag test? (a) a clear plastic bag (b) turmeric powder (c) a magnet (d) a mirror
32. 32.🪴 Which part of a plant does this job: give out water vapour? (a) roots (b) flower (c) leaves (d) stem
33. 33.True or false: hold up the leaves is a job of the stem. (a) True (b) False
34. 34.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
35. 35.⚖️ 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 measure it (b) we keep it the same (c) we change it
36. 36.🧺 Do we need a mirror for the leafy bag test? (a) needed (b) not needed
37. 37.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) yeast (b) a clear plastic bag (c) sunlight (d) a few hours
38. 38.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a magnet (c) a potted plant (d) a mirror
39. 39.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) a few hours (c) sunlight (d) a mirror
40. 40.True or false: a clear plastic bag is not needed for the leafy bag test. (a) True (b) False

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