Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 8 · 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.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
2. 2.🔍 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
3. 3.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) as tight as possible (c) gently, not too tight (d) with a hot glue gun
4. 4.⚖️ 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) False (b) True
5. 5.🪴 Which part of a plant does this job: carry water upward? (a) stem (b) leaves (c) roots (d) flower
6. 6.True or false: make seeds is a job of the flower. (a) False (b) True
7. 7.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it wilts and droops (c) it grows faster (d) it turns blue
8. 8.True or false: give out water vapour is a job of the leaves. (a) False (b) True
9. 9.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) exactly the same (b) much more water (c) it fills with soil (d) much less water
10. 10.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a few hours (c) sunlight (d) vinegar
11. 11.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a rubber band (c) a magnet (d) a potted plant
12. 12.🪴 Which of these is a job of the roots? (a) hold the plant in soil (b) carry water upward (c) make seeds (d) hold up the leaves
13. 13.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: sun or shade is the one thing we change. (a) True (b) False
14. 14.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) vinegar (c) a battery cell (d) sunlight
15. 15.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a potted plant (c) a mirror (d) a few hours
16. 16.🪴 Which of these is a job of the leaves? (a) hold the plant in soil (b) hold up the leaves (c) carry water upward (d) give out water vapour
17. 17.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) turmeric powder (c) a mirror (d) a few hours
18. 18.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) stomata (b) veins (c) roots (d) petals
19. 19.True or false: sunlight is not needed for the leafy bag test. (a) False (b) True
20. 20.🧺 Do we need a potted plant for the leafy bag test? (a) needed (b) not needed
21. 21.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the roots (c) the flowers (d) the fruits
22. 22.🪴 Which part of a plant does this job: make food in sunlight? (a) flower (b) roots (c) leaves (d) stem
23. 23.🪴 Which of these is a job of the roots? (a) carry water upward (b) make food in sunlight (c) take in water from soil (d) make seeds
24. 24.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a battery cell (c) sunlight (d) a potted plant
25. 25.⚖️ 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) sun or shade (b) the same kind of bag (c) amount of water drops (d) the kind of plant
26. 26.⚖️ 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) sun or shade (c) amount of water drops (d) the time we wait
27. 27.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
28. 28.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
29. 29.🧺 Do we need turmeric powder for the leafy bag test? (a) needed (b) not needed
30. 30.⚖️ 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
31. 31.🧺 Which of these is not needed for the leafy bag test? (a) a magnet (b) a rubber band (c) sunlight (d) a potted plant
32. 32.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
33. 33.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a clear plastic bag (c) turmeric powder (d) sunlight
34. 34.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
35. 35.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a potted plant (c) a few hours (d) yeast
36. 36.True or false: a mirror is not needed for the leafy bag test. (a) False (b) True
37. 37.⚖️ 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
38. 38.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it can block breathing (c) it is too big (d) it gets wet
39. 39.True or false: make seeds is a job of the leaves. (a) True (b) False
40. 40.⚖️ 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 kept the same. (a) True (b) False

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