Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 92 · 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.True or false: carry water upward is a job of the flower. (a) False (b) True
2. 2.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the flowers (c) the fruits (d) the roots
3. 3.⚖️ 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) sun or shade (b) the time we wait (c) the same kind of bag (d) the kind of plant
4. 4.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it changes colour (c) it is too big (d) it can block breathing
5. 5.⚖️ 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
6. 6.⚖️ 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
7. 7.🔮 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) both the same (d) neither of them
8. 8.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a magnet (c) a few hours (d) a clear plastic bag
9. 9.🪴 Which part of a plant does this job: hold the plant in soil? (a) leaves (b) flower (c) roots (d) stem
10. 10.True or false: make food in sunlight is a job of the roots. (a) False (b) True
11. 11.True or false: make seeds is a job of the roots. (a) True (b) False
12. 12.⚖️ 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
13. 13.🧺 Do we need a few hours for the leafy bag test? (a) not needed (b) needed
14. 14.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) turmeric powder (c) yeast (d) a few hours
15. 15.True or false: take in water from soil is a job of the roots. (a) True (b) False
16. 16.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
17. 17.True or false: a potted plant is needed for the leafy bag test. (a) False (b) True
18. 18.⚖️ 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) sun or shade (b) the kind of plant (c) the time we wait (d) amount of water drops
19. 19.True or false: give out water vapour is a job of the leaves. (a) True (b) False
20. 20.True or false: make seeds is a job of the flower. (a) False (b) True
21. 21.⚖️ 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
22. 22.⚖️ 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) the same kind of bag (b) sun or shade (c) amount of water drops
23. 23.🪴 Which of these is a job of the roots? (a) carry water upward (b) hold the plant in soil (c) hold up the leaves (d) give out water vapour
24. 24.🪴 Which of these is a job of the stem? (a) carry water upward (b) make seeds (c) take in water from soil (d) hold the plant in soil
25. 25.🧺 Do we need a magnet for the leafy bag test? (a) needed (b) not needed
26. 26.⚖️ 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 the one thing we change. (a) False (b) True
27. 27.🪴 Which part of a plant does this job: hold up the leaves? (a) roots (b) leaves (c) stem (d) flower
28. 28.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny water drops (b) tiny insects (c) nothing at all (d) salt crystals
29. 29.True or false: turmeric powder is needed for the leafy bag test. (a) True (b) False
30. 30.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a potted plant (c) yeast (d) sunlight
31. 31.True or false: make seeds is a job of the leaves. (a) False (b) True
32. 32.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it flowers more (c) it turns blue (d) it wilts and droops
33. 33.📘 What do we call plants giving out water vapour from their leaves? (a) transpiration (b) reflection (c) germination (d) digestion
34. 34.🧺 Which of these is not needed for the leafy bag test? (a) a mirror (b) sunlight (c) a rubber band (d) a clear plastic bag
35. 35.⚖️ 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) True (b) False
36. 36.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
37. 37.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) sunlight (c) a rubber band (d) a mirror
38. 38.🪴 Which of these is a job of the leaves? (a) carry water upward (b) give out water vapour (c) hold the plant in soil (d) hold up the leaves
39. 39.🛟 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
40. 40.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) stomata (c) veins (d) roots

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