Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 41 · 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? What do we do with “the time we wait”? (a) we measure it (b) we change it (c) we keep it the same
2. 2.⚖️ 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
3. 3.🪴 Which of these is a job of the leaves? (a) make food in sunlight (b) carry water upward (c) make seeds (d) hold the plant in soil
4. 4.True or false: sunlight is needed for the leafy bag test. (a) False (b) True
5. 5.⚖️ 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
6. 6.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) yeast (c) a few hours (d) a potted plant
7. 7.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) with sharp wire (c) as tight as possible (d) gently, not too tight
8. 8.🪴 Which of these is a job of the stem? (a) make seeds (b) take in water from soil (c) give out water vapour (d) carry water upward
9. 9.True or false: turmeric powder is needed for the leafy bag test. (a) False (b) True
10. 10.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the fruits (c) the roots (d) the flowers
11. 11.True or false: take in water from soil is a job of the flower. (a) False (b) True
12. 12.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it flowers more (c) it wilts and droops (d) it turns blue
13. 13.True or false: a mirror is needed for the leafy bag test. (a) False (b) True
14. 14.🧺 Which of these is needed for the leafy bag test? (a) a few hours (b) a magnet (c) a battery cell (d) a mirror
15. 15.🪴 Which part of a plant does this job: hold the plant in soil? (a) flower (b) leaves (c) roots (d) stem
16. 16.🪴 Which part of a plant does this job: give out water vapour? (a) stem (b) leaves (c) flower (d) roots
17. 17.⚖️ 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
18. 18.🧺 Do we need yeast for the leafy bag test? (a) not needed (b) needed
19. 19.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) neither of them (b) the cool cloudy day (c) the hot sunny day (d) both the same
20. 20.⚖️ 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 time we wait (c) amount of water drops (d) sun or shade
21. 21.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a magnet (c) a rubber band (d) a battery cell
22. 22.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
23. 23.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) a mirror (c) a battery cell (d) a potted plant
24. 24.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a potted plant (c) a few hours (d) a magnet
25. 25.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) vinegar (c) a clear plastic bag (d) a few hours
26. 26.🧺 Do we need a few hours for the leafy bag test? (a) not needed (b) needed
27. 27.True or false: make seeds is a job of the flower. (a) True (b) False
28. 28.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) tiny water drops (c) salt crystals (d) nothing at all
29. 29.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
30. 30.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
31. 31.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the plastic (c) the leaves (d) the rain
32. 32.🪴 Which of these is a job of the leaves? (a) carry water upward (b) give out water vapour (c) make seeds (d) take in water from soil
33. 33.📘 What do we call plants giving out water vapour from their leaves? (a) germination (b) digestion (c) reflection (d) transpiration
34. 34.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) turmeric powder (c) a clear plastic bag (d) a potted plant
35. 35.True or false: a battery cell is needed for the leafy bag test. (a) True (b) False
36. 36.True or false: carry water upward is a job of the stem. (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: sun or shade is what we measure. (a) True (b) False
38. 38.True or false: a magnet is not needed for the leafy bag test. (a) False (b) True
39. 39.🪴 Which part of a plant does this job: make seeds? (a) leaves (b) flower (c) stem (d) roots
40. 40.⚖️ 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 the one thing we change. (a) True (b) False

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