Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 262 · 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? True or false: the time we wait is kept the same. (a) True (b) False
2. 2.⚖️ 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
3. 3.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it gets wet (c) it changes colour (d) it can block breathing
4. 4.True or false: yeast is not needed for the leafy bag test. (a) False (b) True
5. 5.🛟 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
6. 6.🧺 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
7. 7.🪴 Which of these is a job of the stem? (a) hold up the leaves (b) make food in sunlight (c) take in water from soil (d) hold the plant in soil
8. 8.🧺 Which of these is needed for the leafy bag test? (a) a potted plant (b) a battery cell (c) a mirror (d) a magnet
9. 9.⚖️ 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) the same kind of bag (c) the time we wait (d) sun or shade
10. 10.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
11. 11.⚖️ 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
12. 12.🧺 Which of these is not needed for the leafy bag test? (a) turmeric powder (b) a rubber band (c) a clear plastic bag (d) sunlight
13. 13.🧺 Do we need turmeric powder for the leafy bag test? (a) needed (b) not needed
14. 14.🪴 Which part of a plant does this job: hold up the leaves? (a) leaves (b) stem (c) flower (d) roots
15. 15.🧺 Which of these is needed for the leafy bag test? (a) a few hours (b) yeast (c) a mirror (d) vinegar
16. 16.🪴 Which of these is a job of the leaves? (a) carry water upward (b) take in water from soil (c) make seeds (d) make food in sunlight
17. 17.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) tiny water drops (c) tiny insects (d) nothing at all
18. 18.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a clear plastic bag (c) a few hours (d) a magnet
19. 19.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
20. 20.🪴 Which part of a plant does this job: make seeds? (a) roots (b) flower (c) leaves (d) stem
21. 21.🪴 Which part of a plant does this job: carry water upward? (a) flower (b) roots (c) stem (d) leaves
22. 22.📘 What do we call plants giving out water vapour from their leaves? (a) reflection (b) digestion (c) transpiration (d) germination
23. 23.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) sunlight (c) vinegar (d) a rubber band
24. 24.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the plastic (c) the leaves (d) the rain
25. 25.True or false: a clear plastic bag is not needed for the leafy bag test. (a) True (b) False
26. 26.🔮 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
27. 27.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a mirror (c) a clear plastic bag (d) a potted plant
28. 28.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much more water (b) it fills with soil (c) exactly the same (d) much less water
29. 29.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a battery cell (c) a clear plastic bag (d) a potted plant
30. 30.⚖️ 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
31. 31.⚖️ 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 keep it the same (b) we change it (c) we measure it
32. 32.🧺 Do we need yeast for the leafy bag test? (a) not needed (b) needed
33. 33.True or false: hold up the leaves is a job of the roots. (a) True (b) False
34. 34.True or false: take in water from soil is a job of the roots. (a) False (b) True
35. 35.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a clear plastic bag (c) a battery cell (d) yeast
36. 36.True or false: sunlight is needed for the leafy bag test. (a) True (b) False
37. 37.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the time we wait is what we measure. (a) False (b) True
38. 38.⚖️ 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 same kind of bag (c) sun or shade
39. 39.True or false: give out water vapour is a job of the stem. (a) False (b) True
40. 40.⚖️ 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

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