Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 202 · 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: hold the plant in soil is a job of the roots. (a) False (b) True
2. 2.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
3. 3.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) roots (b) petals (c) veins (d) stomata
4. 4.True or false: make food in sunlight is a job of the roots. (a) True (b) False
5. 5.🧺 Which of these is needed for the leafy bag test? (a) a few hours (b) yeast (c) vinegar (d) a magnet
6. 6.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) neither of them (b) the hot sunny day (c) the cool cloudy day (d) both the same
7. 7.⚖️ 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
8. 8.True or false: a clear plastic bag is needed for the leafy bag test. (a) True (b) False
9. 9.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
10. 10.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a few hours (c) a battery cell (d) a potted plant
11. 11.⚖️ 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
12. 12.🪴 Which part of a plant does this job: hold the plant in soil? (a) stem (b) leaves (c) roots (d) flower
13. 13.🧺 Which of these is needed for the leafy bag test? (a) a potted plant (b) a mirror (c) a battery cell (d) turmeric powder
14. 14.True or false: take in water from soil is a job of the leaves. (a) True (b) False
15. 15.True or false: a rubber band is not needed for the leafy bag test. (a) False (b) True
16. 16.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
17. 17.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) as tight as possible (c) with sharp wire (d) gently, not too tight
18. 18.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the roots (c) the fruits (d) the flowers
19. 19.True or false: yeast is needed for the leafy bag test. (a) False (b) True
20. 20.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed
21. 21.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much less water (b) it fills with soil (c) exactly the same (d) much more water
22. 22.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it turns blue (c) it wilts and droops (d) it grows faster
23. 23.🪴 Which part of a plant does this job: take in water from soil? (a) flower (b) leaves (c) roots (d) stem
24. 24.🪴 Which of these is a job of the flower? (a) hold up the leaves (b) hold the plant in soil (c) give out water vapour (d) make seeds
25. 25.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the plastic (c) the leaves (d) the rain
26. 26.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: amount of water drops is the one thing we change. (a) False (b) True
27. 27.True or false: vinegar is not needed for the leafy bag test. (a) True (b) False
28. 28.True or false: hold the plant in soil is a job of the flower. (a) False (b) True
29. 29.🪴 Which part of a plant does this job: carry water upward? (a) roots (b) flower (c) stem (d) leaves
30. 30.⚖️ 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 what we measure. (a) False (b) True
31. 31.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a mirror (c) a clear plastic bag (d) vinegar
32. 32.⚖️ 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
33. 33.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a potted plant (c) a magnet (d) sunlight
34. 34.🪴 Which of these is a job of the leaves? (a) make food in sunlight (b) carry water upward (c) hold up the leaves (d) hold the plant in soil
35. 35.🔍 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
36. 36.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the size of the plant is kept the same. (a) True (b) False
37. 37.🛟 Why must a plastic bag never go over anyone’s head? (a) it can block breathing (b) it gets wet (c) it changes colour (d) it is too big
38. 38.⚖️ 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) sun or shade (c) amount of water drops (d) the same kind of bag
39. 39.True or false: a potted plant is not needed for the leafy bag test. (a) True (b) False
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 measure it (b) we keep it the same (c) we change it

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