Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 276 · 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 part of a plant does this job: take in water from soil? (a) flower (b) stem (c) leaves (d) roots
2. 2.True or false: hold up the leaves is a job of the roots. (a) True (b) False
3. 3.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a magnet (c) a rubber band (d) sunlight
4. 4.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the plastic (c) the rain (d) the leaves
5. 5.🪴 Which part of a plant does this job: hold the plant in soil? (a) roots (b) stem (c) flower (d) leaves
6. 6.🧺 Which of these is needed for the leafy bag test? (a) sunlight (b) a battery cell (c) turmeric powder (d) vinegar
7. 7.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) salt crystals (c) tiny water drops (d) tiny insects
8. 8.⚖️ 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
9. 9.True or false: a rubber band is not needed for the leafy bag test. (a) False (b) True
10. 10.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) with sharp wire (c) gently, not too tight (d) as tight as possible
11. 11.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) stomata (c) roots (d) veins
12. 12.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a few hours (c) a clear plastic bag (d) vinegar
13. 13.🧺 Do we need a rubber band for the leafy bag test? (a) not needed (b) needed
14. 14.⚖️ 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 size of the plant (b) the same kind of bag (c) sun or shade (d) the kind of plant
15. 15.True or false: hold up the leaves is a job of the stem. (a) False (b) True
16. 16.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) turmeric powder (c) yeast (d) a rubber band
17. 17.True or false: make food in sunlight is a job of the leaves. (a) False (b) True
18. 18.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) neither of them (b) both the same (c) the hot sunny day (d) the cool cloudy day
19. 19.True or false: take in water from soil is a job of the flower. (a) True (b) False
20. 20.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a clear plastic bag (c) sunlight (d) a mirror
21. 21.True or false: make seeds is a job of the leaves. (a) False (b) True
22. 22.🪴 Which of these is a job of the stem? (a) hold the plant in soil (b) make seeds (c) hold up the leaves (d) take in water from soil
23. 23.🪴 Which of these is a job of the leaves? (a) take in water from soil (b) make food in sunlight (c) carry water upward (d) hold up the leaves
24. 24.True or false: give out water vapour is a job of the leaves. (a) True (b) False
25. 25.True or false: a mirror is not needed for the leafy bag test. (a) False (b) True
26. 26.True or false: give out water vapour is a job of the roots. (a) True (b) False
27. 27.🪴 Which of these is a job of the leaves? (a) hold up the leaves (b) carry water upward (c) take in water from soil (d) give out water vapour
28. 28.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much less water (b) exactly the same (c) it fills with soil (d) much more water
29. 29.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
30. 30.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it is too big (c) it can block breathing (d) it changes colour
31. 31.⚖️ 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
32. 32.True or false: yeast is needed for the leafy bag test. (a) True (b) False
33. 33.🪴 Which of these is a job of the roots? (a) carry water upward (b) take in water from soil (c) hold up the leaves (d) make seeds
34. 34.True or false: turmeric powder is needed for the leafy bag test. (a) False (b) True
35. 35.⚖️ 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
36. 36.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a magnet (b) sunlight (c) a rubber band (d) a potted plant
37. 37.True or false: a few hours is needed for the leafy bag test. (a) False (b) True
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 kept the same. (a) False (b) True
39. 39.True or false: carry water upward is a job of the stem. (a) False (b) True
40. 40.⚖️ 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 keep it the same (b) we measure it (c) we change it

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