Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 259 · 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 of these is a job of the flower? (a) take in water from soil (b) carry water upward (c) hold up the leaves (d) make seeds
2. 2.True or false: give out water vapour is a job of the leaves. (a) True (b) False
3. 3.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
4. 4.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a potted plant (c) a few hours (d) vinegar
5. 5.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) a mirror (c) turmeric powder (d) sunlight
6. 6.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) make seeds (c) give out water vapour (d) take in water from soil
7. 7.⚖️ 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 time we wait (c) amount of water drops
8. 8.🧺 Do we need a mirror for the leafy bag test? (a) needed (b) not needed
9. 9.🛟 How should the plastic bag be tied around the branch? (a) gently, not too tight (b) with sharp wire (c) with a hot glue gun (d) as tight as possible
10. 10.🪴 Which of these is a job of the leaves? (a) give out water vapour (b) take in water from soil (c) hold the plant in soil (d) hold up the leaves
11. 11.⚖️ 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 keep it the same (b) we measure it (c) we change it
12. 12.True or false: make food in sunlight is a job of the leaves. (a) False (b) True
13. 13.⚖️ 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) sun or shade (c) the time we wait (d) amount of water drops
14. 14.🪴 Through which part does a plant take in water from the soil? (a) the fruits (b) the flowers (c) the leaves (d) the roots
15. 15.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) stomata (c) veins (d) roots
16. 16.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a potted plant (c) turmeric powder (d) a clear plastic bag
17. 17.⚖️ 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
18. 18.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it wilts and droops (c) it flowers more (d) it grows faster
19. 19.⚖️ 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
20. 20.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) sunlight (c) a potted plant (d) a mirror
21. 21.🪴 Which part of a plant does this job: make food in sunlight? (a) stem (b) flower (c) roots (d) leaves
22. 22.🛟 Why must a plastic bag never go over anyone’s head? (a) it can block breathing (b) it gets wet (c) it is too big (d) it changes colour
23. 23.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the hot sunny day (b) the cool cloudy day (c) neither of them (d) both the same
24. 24.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a battery cell (b) a clear plastic bag (c) sunlight (d) a potted plant
25. 25.True or false: hold up the leaves is a job of the roots. (a) True (b) False
26. 26.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
27. 27.⚖️ 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) False (b) True
28. 28.⚖️ 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
29. 29.True or false: make seeds is a job of the stem. (a) True (b) False
30. 30.🪴 Which part of a plant does this job: take in water from soil? (a) stem (b) flower (c) roots (d) leaves
31. 31.⚖️ 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
32. 32.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny water drops (b) salt crystals (c) tiny insects (d) nothing at all
33. 33.True or false: a magnet is not needed for the leafy bag test. (a) False (b) True
34. 34.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) exactly the same (b) it fills with soil (c) much more water (d) much less water
35. 35.True or false: a mirror is needed for the leafy bag test. (a) False (b) True
36. 36.⚖️ 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) False (b) True
37. 37.⚖️ 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
38. 38.True or false: vinegar is not needed for the leafy bag test. (a) True (b) False
39. 39.🪴 Which part of a plant does this job: carry water upward? (a) leaves (b) flower (c) roots (d) stem
40. 40.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed

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