Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 43 · 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.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it gets wet (c) it can block breathing (d) it changes colour
2. 2.⚖️ 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 kept the same. (a) False (b) True
3. 3.True or false: hold the plant in soil is a job of the flower. (a) False (b) True
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.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) a mirror (c) yeast (d) a clear plastic bag
6. 6.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a clear plastic bag (c) a potted plant (d) yeast
7. 7.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
8. 8.⚖️ 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 measure it (b) we change it (c) we keep it the same
9. 9.⚖️ 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 what we measure. (a) True (b) False
10. 10.🪴 Which part of a plant does this job: make food in sunlight? (a) leaves (b) flower (c) stem (d) roots
11. 11.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) as tight as possible (c) with a hot glue gun (d) gently, not too tight
12. 12.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
13. 13.⚖️ 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) True (b) False
14. 14.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the rain (c) the plastic (d) the leaves
15. 15.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
16. 16.🪴 Which part of a plant does this job: hold the plant in soil? (a) flower (b) roots (c) leaves (d) stem
17. 17.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) veins (b) stomata (c) petals (d) roots
18. 18.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a potted plant (c) yeast (d) a clear plastic bag
19. 19.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a few hours (c) yeast (d) turmeric powder
20. 20.🧺 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 battery cell (d) a potted plant
21. 21.🧺 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) turmeric powder
22. 22.True or false: a mirror is needed for the leafy bag test. (a) True (b) False
23. 23.True or false: give out water vapour is a job of the roots. (a) True (b) False
24. 24.🪴 Which part of a plant does this job: take in water from soil? (a) leaves (b) roots (c) flower (d) stem
25. 25.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) sunlight (c) a clear plastic bag (d) vinegar
26. 26.True or false: give out water vapour is a job of the leaves. (a) True (b) False
27. 27.🪴 Which of these is a job of the leaves? (a) make seeds (b) give out water vapour (c) hold up the leaves (d) take in water from soil
28. 28.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
29. 29.⚖️ 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) False (b) True
30. 30.True or false: a few hours is not needed for the leafy bag test. (a) True (b) False
31. 31.⚖️ 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 what we measure. (a) False (b) True
32. 32.🪴 Which part of a plant does this job: carry water upward? (a) stem (b) roots (c) flower (d) leaves
33. 33.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a few hours (c) sunlight (d) a magnet
34. 34.📘 What do we call plants giving out water vapour from their leaves? (a) germination (b) reflection (c) transpiration (d) digestion
35. 35.🪴 Through which part does a plant take in water from the soil? (a) the flowers (b) the leaves (c) the fruits (d) the roots
36. 36.🧺 Which of these is needed for the leafy bag test? (a) a potted plant (b) a battery cell (c) yeast (d) vinegar
37. 37.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it wilts and droops (b) it turns blue (c) it grows faster (d) it flowers more
38. 38.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “sun or shade”? (a) we keep it the same (b) we change it (c) we measure it
39. 39.🪴 Which of these is a job of the stem? (a) take in water from soil (b) hold the plant in soil (c) make food in sunlight (d) hold up the leaves
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 kind of plant (c) sun or shade

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