Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 301 · 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 “amount of water drops”? (a) we change it (b) we measure it (c) we keep it the same
2. 2.⚖️ 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
3. 3.⚖️ 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 measure it (b) we change it (c) we keep it the same
4. 4.🔮 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 less water (d) much more water
5. 5.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) with a hot glue gun (c) with sharp wire (d) gently, not too tight
6. 6.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it can block breathing (c) it changes colour (d) it gets wet
7. 7.True or false: make food in sunlight is a job of the roots. (a) False (b) True
8. 8.🪴 Which part of a plant does this job: make food in sunlight? (a) stem (b) roots (c) flower (d) leaves
9. 9.🪴 Which part of a plant does this job: take in water from soil? (a) flower (b) leaves (c) roots (d) stem
10. 10.⚖️ 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 kept the same. (a) True (b) False
11. 11.⚖️ 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) amount of water drops (b) sun or shade (c) the size of the plant
12. 12.🪴 Where did the water inside the bag come from? (a) the rain (b) the plastic (c) the rubber band (d) the leaves
13. 13.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a battery cell (c) yeast (d) a few hours
14. 14.True or false: turmeric powder is not needed for the leafy bag test. (a) False (b) True
15. 15.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) both the same (b) neither of them (c) the cool cloudy day (d) the hot sunny day
16. 16.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) yeast (c) a potted plant (d) a mirror
17. 17.True or false: vinegar is needed for the leafy bag test. (a) True (b) False
18. 18.True or false: give out water vapour is a job of the stem. (a) True (b) False
19. 19.🧺 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 rubber band (d) a magnet
20. 20.🪴 Through which part does a plant take in water from the soil? (a) the fruits (b) the flowers (c) the leaves (d) the roots
21. 21.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny water drops (b) tiny insects (c) salt crystals (d) nothing at all
22. 22.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “the same kind of bag”? (a) we keep it the same (b) we change it (c) we measure it
23. 23.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
24. 24.True or false: a potted plant is not needed for the leafy bag test. (a) False (b) True
25. 25.🧺 Do we need sunlight for the leafy bag test? (a) needed (b) not needed
26. 26.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) vinegar (c) a rubber band (d) a clear plastic bag
27. 27.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
28. 28.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a battery cell (b) a clear plastic bag (c) sunlight (d) a potted plant
29. 29.⚖️ 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) amount of water drops (b) the same kind of bag (c) sun or shade
30. 30.🪴 Which part of a plant does this job: hold the plant in soil? (a) stem (b) roots (c) flower (d) leaves
31. 31.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) vinegar (b) a clear plastic bag (c) a few hours (d) a rubber band
32. 32.True or false: carry water upward is a job of the flower. (a) True (b) False
33. 33.True or false: make food in sunlight is a job of the leaves. (a) True (b) False
34. 34.🪴 Which of these is a job of the stem? (a) give out water vapour (b) make food in sunlight (c) hold up the leaves (d) take in water from soil
35. 35.True or false: a clear plastic bag is not needed for the leafy bag test. (a) True (b) False
36. 36.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a magnet (c) vinegar (d) sunlight
37. 37.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) roots (b) stomata (c) petals (d) veins
38. 38.⚖️ 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) False (b) True
39. 39.🪴 Which of these is a job of the leaves? (a) hold the plant in soil (b) give out water vapour (c) hold up the leaves (d) take in water from soil
40. 40.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) make seeds (c) give out water vapour (d) hold the plant in soil

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