Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 277 · 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.⚖️ 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 keep it the same (c) we measure it
2. 2.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) it fills with soil (b) exactly the same (c) much more water (d) much less water
3. 3.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
4. 4.🪴 Which of these is a job of the stem? (a) give out water vapour (b) hold the plant in soil (c) take in water from soil (d) hold up the leaves
5. 5.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a mirror (b) a rubber band (c) a potted plant (d) sunlight
6. 6.True or false: make seeds is a job of the stem. (a) False (b) True
7. 7.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) carry water upward (c) take in water from soil (d) make food in sunlight
8. 8.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) veins (b) roots (c) petals (d) stomata
9. 9.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) turmeric powder (c) sunlight (d) a clear plastic bag
10. 10.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the roots (c) the flowers (d) the fruits
11. 11.🪴 Which of these is a job of the flower? (a) take in water from soil (b) hold up the leaves (c) make seeds (d) give out water vapour
12. 12.True or false: take in water from soil is a job of the flower. (a) True (b) False
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) amount of water drops (b) the time we wait (c) sun or shade (d) the same kind of bag
14. 14.🪴 Which part of a plant does this job: hold up the leaves? (a) flower (b) roots (c) stem (d) leaves
15. 15.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) with a hot glue gun (c) as tight as possible (d) gently, not too tight
16. 16.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a rubber band (c) turmeric powder (d) a clear plastic bag
17. 17.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) neither of them (b) the cool cloudy day (c) both the same (d) the hot sunny day
18. 18.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) nothing at all (c) salt crystals (d) tiny water drops
19. 19.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a few hours (c) a clear plastic bag (d) a battery cell
20. 20.⚖️ 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
21. 21.True or false: hold up the leaves is a job of the leaves. (a) False (b) True
22. 22.⚖️ 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 the one thing we change. (a) False (b) True
23. 23.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a rubber band (c) a mirror (d) a few hours
24. 24.True or false: a mirror is not needed for the leafy bag test. (a) False (b) True
25. 25.⚖️ 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 time we wait (b) the same kind of bag (c) amount of water drops (d) sun or shade
26. 26.⚖️ 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) True (b) False
27. 27.True or false: yeast is needed for the leafy bag test. (a) True (b) False
28. 28.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
29. 29.True or false: take in water from soil is a job of the roots. (a) False (b) True
30. 30.🛟 Why must a plastic bag never go over anyone’s head? (a) it can block breathing (b) it is too big (c) it gets wet (d) it changes colour
31. 31.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a magnet (c) a clear plastic bag (d) yeast
32. 32.True or false: yeast is not needed for the leafy bag test. (a) False (b) True
33. 33.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) yeast (b) a rubber band (c) sunlight (d) a few hours
34. 34.True or false: a clear plastic bag is not needed for the leafy bag test. (a) False (b) True
35. 35.📘 What do we call plants giving out water vapour from their leaves? (a) reflection (b) germination (c) digestion (d) transpiration
36. 36.⚖️ 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
37. 37.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a potted plant (c) a rubber band (d) a magnet
38. 38.⚖️ 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 size of the plant (b) sun or shade (c) amount of water drops
39. 39.True or false: a battery cell is needed for the leafy bag test. (a) True (b) False
40. 40.🪴 Which of these is a job of the stem? (a) make food in sunlight (b) hold the plant in soil (c) give out water vapour (d) carry water upward

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