Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 53 · 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: hold up the leaves is a job of the stem. (a) False (b) True
2. 2.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the cool cloudy day (b) both the same (c) the hot sunny day (d) neither of them
3. 3.🛟 How should the plastic bag be tied around the branch? (a) gently, not too tight (b) with a hot glue gun (c) with sharp wire (d) as tight as possible
4. 4.🪴 Which of these is a job of the roots? (a) make food in sunlight (b) take in water from soil (c) give out water vapour (d) hold up the leaves
5. 5.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) nothing at all (c) tiny water drops (d) tiny insects
6. 6.True or false: take in water from soil is a job of the flower. (a) True (b) False
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 same kind of bag (c) amount of water drops
8. 8.🧺 Do we need a mirror for the leafy bag test? (a) needed (b) not needed
9. 9.⚖️ 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 measure it (c) we change it
10. 10.🧺 Which of these is needed for the leafy bag test? (a) sunlight (b) turmeric powder (c) a magnet (d) a mirror
11. 11.True or false: hold up the leaves is a job of the flower. (a) True (b) False
12. 12.🪴 Which part of a plant does this job: give out water vapour? (a) stem (b) roots (c) flower (d) leaves
13. 13.⚖️ 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
14. 14.🪴 Which part of a plant does this job: hold the plant in soil? (a) leaves (b) stem (c) flower (d) roots
15. 15.🧺 Which of these is not needed for the leafy bag test? (a) turmeric powder (b) a potted plant (c) a rubber band (d) a clear plastic bag
16. 16.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) sunlight (c) a few hours (d) a mirror
17. 17.⚖️ 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
18. 18.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) yeast (b) sunlight (c) a clear plastic bag (d) a few hours
19. 19.⚖️ 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
20. 20.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much more water (b) much less water (c) exactly the same (d) it fills with soil
21. 21.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) stomata (b) veins (c) roots (d) petals
22. 22.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
23. 23.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it can block breathing (c) it is too big (d) it gets wet
24. 24.⚖️ 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 change it (b) we measure it (c) we keep it the same
25. 25.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
26. 26.⚖️ 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 kind of plant (d) the size of the plant
27. 27.🪴 Which of these is a job of the flower? (a) carry water upward (b) take in water from soil (c) make seeds (d) give out water vapour
28. 28.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) a rubber band (c) a mirror (d) a magnet
29. 29.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a magnet (c) a few hours (d) yeast
30. 30.🪴 Which of these is a job of the stem? (a) carry water upward (b) give out water vapour (c) make food in sunlight (d) hold the plant in soil
31. 31.True or false: a clear plastic bag is needed for the leafy bag test. (a) True (b) False
32. 32.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a rubber band (c) yeast (d) a clear plastic bag
33. 33.True or false: make food in sunlight is a job of the leaves. (a) False (b) True
34. 34.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a magnet (b) sunlight (c) a few hours (d) a rubber band
35. 35.True or false: vinegar is needed for the leafy bag test. (a) False (b) True
36. 36.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) vinegar (c) a clear plastic bag (d) a few hours
37. 37.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a clear plastic bag (c) a battery cell (d) a potted plant
38. 38.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the kind of plant is what we measure. (a) False (b) True
39. 39.True or false: carry water upward is a job of the stem. (a) False (b) True
40. 40.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) turmeric powder (b) sunlight (c) a few hours (d) a clear plastic bag

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