Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 275 · 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.🪴 Which part of a plant does this job: take in water from soil? (a) stem (b) leaves (c) roots (d) flower
2. 2.🧺 Which of these is needed for the leafy bag test? (a) a rubber band (b) a battery cell (c) turmeric powder (d) yeast
3. 3.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) turmeric powder (b) a clear plastic bag (c) a few hours (d) a rubber band
4. 4.🔍 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
5. 5.⚖️ 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 size of the plant (b) sun or shade (c) the kind of plant (d) the time we wait
6. 6.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) transpiration (c) reflection (d) germination
7. 7.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it wilts and droops (c) it grows faster (d) it flowers more
8. 8.True or false: take in water from soil is a job of the stem. (a) False (b) True
9. 9.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) yeast (c) a potted plant (d) a mirror
10. 10.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
11. 11.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
12. 12.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a clear plastic bag (c) a few hours (d) a mirror
13. 13.True or false: a clear plastic bag is needed for the leafy bag test. (a) False (b) True
14. 14.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) gently, not too tight (c) with a hot glue gun (d) as tight as possible
15. 15.⚖️ 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
16. 16.True or false: yeast is needed for the leafy bag test. (a) False (b) True
17. 17.🪴 Which of these is a job of the stem? (a) hold the plant in soil (b) make seeds (c) take in water from soil (d) carry water upward
18. 18.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) stomata (c) veins (d) roots
19. 19.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the leaves (c) the rain (d) the plastic
20. 20.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) vinegar (c) a rubber band (d) a few hours
21. 21.⚖️ 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 same kind of bag
22. 22.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) sunlight (c) vinegar (d) a battery cell
23. 23.True or false: sunlight is needed for the leafy bag test. (a) False (b) True
24. 24.⚖️ 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
25. 25.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a rubber band (c) a magnet (d) a few hours
26. 26.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
27. 27.⚖️ 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 keep it the same (c) we measure it
28. 28.🪴 Which of these is a job of the roots? (a) take in water from soil (b) give out water vapour (c) hold up the leaves (d) make seeds
29. 29.⚖️ 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 change it (c) we measure it
30. 30.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: amount of water drops is kept the same. (a) False (b) True
31. 31.🛟 Why must a plastic bag never go over anyone’s head? (a) it can block breathing (b) it changes colour (c) it is too big (d) it gets wet
32. 32.🪴 Which part of a plant does this job: carry water upward? (a) leaves (b) stem (c) flower (d) roots
33. 33.🧺 Do we need a rubber band for the leafy bag test? (a) not needed (b) needed
34. 34.True or false: a mirror is needed for the leafy bag test. (a) False (b) True
35. 35.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) neither of them (b) both the same (c) the hot sunny day (d) the cool cloudy day
36. 36.⚖️ 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 size of the plant (b) amount of water drops (c) the time we wait (d) sun or shade
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) False (b) True
38. 38.🪴 Which of these is a job of the roots? (a) make seeds (b) hold the plant in soil (c) make food in sunlight (d) give out water vapour
39. 39.⚖️ 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 kept the same. (a) False (b) True
40. 40.True or false: hold the plant in soil is a job of the leaves. (a) True (b) False

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