Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 107 · 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 of these is a job of the roots? (a) make food in sunlight (b) make seeds (c) give out water vapour (d) hold the plant in soil
2. 2.True or false: hold the plant in soil is a job of the stem. (a) False (b) True
3. 3.True or false: give out water vapour is a job of the flower. (a) False (b) True
4. 4.⚖️ 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
5. 5.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) vinegar (c) a mirror (d) a rubber band
6. 6.🧺 Which of these is needed for the leafy bag test? (a) a clear plastic bag (b) turmeric powder (c) a magnet (d) a battery cell
7. 7.True or false: take in water from soil is a job of the roots. (a) False (b) True
8. 8.True or false: vinegar is needed for the leafy bag test. (a) True (b) False
9. 9.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
10. 10.🪴 Which of these is a job of the stem? (a) hold up the leaves (b) give out water vapour (c) make food in sunlight (d) make seeds
11. 11.True or false: sunlight is needed for the leafy bag test. (a) False (b) True
12. 12.⚖️ 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
13. 13.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed
14. 14.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it changes colour (c) it can block breathing (d) it gets wet
15. 15.True or false: a few hours is needed for the leafy bag test. (a) False (b) True
16. 16.⚖️ 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 change it (c) we measure it
17. 17.🪴 Which of these is a job of the flower? (a) carry water upward (b) make seeds (c) give out water vapour (d) hold up the leaves
18. 18.True or false: a clear plastic bag is not needed for the leafy bag test. (a) True (b) False
19. 19.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) sunlight (c) a rubber band (d) turmeric powder
20. 20.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) tiny insects (c) salt crystals (d) tiny water drops
21. 21.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a magnet (c) yeast (d) a potted plant
22. 22.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
23. 23.⚖️ 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
24. 24.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) both the same (b) the cool cloudy day (c) the hot sunny day (d) neither of them
25. 25.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) germination (c) reflection (d) transpiration
26. 26.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
27. 27.⚖️ 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) the time we wait (b) the kind of plant (c) sun or shade (d) amount of water drops
28. 28.🪴 Which part of a plant does this job: take in water from soil? (a) leaves (b) roots (c) flower (d) stem
29. 29.🪴 Which part of a plant does this job: carry water upward? (a) stem (b) flower (c) leaves (d) roots
30. 30.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it wilts and droops (b) it turns blue (c) it flowers more (d) it grows faster
31. 31.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
32. 32.True or false: vinegar 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) turmeric powder (b) a rubber band (c) a clear plastic bag (d) a potted plant
34. 34.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the rain (c) the plastic (d) the leaves
35. 35.⚖️ 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 kind of plant (c) the size of the plant (d) the time we wait
36. 36.True or false: a battery cell is needed for the leafy bag test. (a) True (b) False
37. 37.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a magnet (b) a rubber band (c) a potted plant (d) a clear plastic bag
38. 38.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much more water (b) it fills with soil (c) much less water (d) exactly the same
39. 39.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a mirror (c) sunlight (d) a clear plastic bag
40. 40.⚖️ 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 kind of plant (c) amount of water drops

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