Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 333 · 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: a mirror is not needed for the leafy bag test. (a) False (b) True
2. 2.🪴 Which of these is a job of the roots? (a) take in water from soil (b) make seeds (c) give out water vapour (d) make food in sunlight
3. 3.🧺 Do we need sunlight 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) a potted plant (b) yeast (c) a few hours (d) a clear plastic bag
5. 5.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a clear plastic bag (c) a potted plant (d) vinegar
6. 6.🧺 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) a rubber band (d) a magnet
7. 7.⚖️ 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
8. 8.True or false: turmeric powder is not needed for the leafy bag test. (a) True (b) False
9. 9.🔍 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
10. 10.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it gets wet (c) it changes colour (d) it can block breathing
11. 11.🪴 Which part of a plant does this job: make food in sunlight? (a) stem (b) flower (c) leaves (d) roots
12. 12.🧺 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 few hours (d) a battery cell
13. 13.🪴 Which part of a plant does this job: carry water upward? (a) leaves (b) stem (c) roots (d) flower
14. 14.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
15. 15.🔮 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
16. 16.⚖️ 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 kind of plant (c) sun or shade (d) the time we wait
17. 17.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
18. 18.🪴 Which part of a plant does this job: hold up the leaves? (a) stem (b) roots (c) flower (d) leaves
19. 19.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) with a hot glue gun (c) gently, not too tight (d) as tight as possible
20. 20.True or false: yeast is needed for the leafy bag test. (a) True (b) False
21. 21.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) yeast (c) a rubber band (d) a magnet
22. 22.🧺 Which of these is not needed for the leafy bag test? (a) a mirror (b) a clear plastic bag (c) a potted plant (d) a few hours
23. 23.🪴 Which of these is a job of the roots? (a) hold the plant in soil (b) make food in sunlight (c) make seeds (d) give out water vapour
24. 24.🧺 Which of these is not needed for the leafy bag test? (a) a magnet (b) a clear plastic bag (c) a potted plant (d) a few hours
25. 25.⚖️ 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 change it (b) we measure it (c) we keep it the same
26. 26.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) roots (c) veins (d) stomata
27. 27.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
28. 28.True or false: carry water upward is a job of the roots. (a) True (b) False
29. 29.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a clear plastic bag (c) a battery cell (d) a potted plant
30. 30.🪴 Through which part does a plant take in water from the soil? (a) the fruits (b) the leaves (c) the roots (d) the flowers
31. 31.True or false: make seeds is a job of the flower. (a) False (b) True
32. 32.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a potted plant (c) sunlight (d) vinegar
33. 33.True or false: a clear plastic bag is not needed for the leafy bag test. (a) True (b) False
34. 34.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it flowers more (c) it wilts and droops (d) it grows faster
35. 35.🪴 Which part of a plant does this job: hold the plant in soil? (a) roots (b) leaves (c) flower (d) stem
36. 36.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the plastic (c) the leaves (d) the rain
37. 37.🪴 Which of these is a job of the flower? (a) hold up the leaves (b) make food in sunlight (c) give out water vapour (d) make seeds
38. 38.🔮 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
39. 39.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) a potted plant (c) turmeric powder (d) a magnet
40. 40.True or false: give out water vapour is a job of the leaves. (a) True (b) False

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