Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 248 · 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.⚖️ 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) sun or shade (d) amount of water drops
2. 2.⚖️ 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) the same kind of bag (c) amount of water drops
3. 3.⚖️ 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) sun or shade (c) the time we wait
4. 4.🛟 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
5. 5.⚖️ 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 change it (b) we measure it (c) we keep it the same
6. 6.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) nothing at all (c) tiny insects (d) tiny water drops
7. 7.🧺 Do we need a few hours for the leafy bag test? (a) not needed (b) needed
8. 8.🪴 Which part of a plant does this job: give out water vapour? (a) roots (b) stem (c) flower (d) leaves
9. 9.🧺 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) sunlight (d) a battery cell
10. 10.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) veins (c) roots (d) stomata
11. 11.True or false: turmeric powder is needed for the leafy bag test. (a) False (b) True
12. 12.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
13. 13.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it wilts and droops (b) it grows faster (c) it turns blue (d) it flowers more
14. 14.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
15. 15.True or false: hold the plant in soil is a job of the roots. (a) True (b) False
16. 16.📘 What do we call plants giving out water vapour from their leaves? (a) germination (b) reflection (c) digestion (d) transpiration
17. 17.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a mirror (b) sunlight (c) a clear plastic bag (d) a rubber band
18. 18.⚖️ 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) True (b) False
19. 19.True or false: a mirror is not needed for the leafy bag test. (a) False (b) True
20. 20.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
21. 21.🪴 Which part of a plant does this job: make seeds? (a) roots (b) leaves (c) stem (d) flower
22. 22.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much less water (b) exactly the same (c) much more water (d) it fills with soil
23. 23.🪴 Which of these is a job of the flower? (a) hold the plant in soil (b) make food in sunlight (c) make seeds (d) hold up the leaves
24. 24.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a rubber band (c) a few hours (d) turmeric powder
25. 25.⚖️ 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
26. 26.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) with sharp wire (c) gently, not too tight (d) with a hot glue gun
27. 27.🧺 Do we need a magnet for the leafy bag test? (a) needed (b) not needed
28. 28.🧺 Do we need a potted plant for the leafy bag test? (a) needed (b) not needed
29. 29.True or false: a mirror is needed for the leafy bag test. (a) False (b) True
30. 30.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) vinegar (c) a potted plant (d) a clear plastic bag
31. 31.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a magnet (b) a clear plastic bag (c) a rubber band (d) a potted plant
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 size of the plant”? (a) we measure it (b) we keep it the same (c) we change it
33. 33.🪴 Which part of a plant does this job: make food in sunlight? (a) stem (b) roots (c) leaves (d) flower
34. 34.True or false: give out water vapour is a job of the leaves. (a) False (b) True
35. 35.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
36. 36.⚖️ 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) False (b) True
37. 37.⚖️ 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 measure it (c) we change it
38. 38.True or false: a battery cell is needed for the leafy bag test. (a) True (b) False
39. 39.⚖️ 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 what we measure. (a) False (b) True
40. 40.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) yeast (c) a rubber band (d) a mirror

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