Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 322 · 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.🧺 Do we need yeast for the leafy bag test? (a) not needed (b) needed
2. 2.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
3. 3.⚖️ 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 time we wait (c) the same kind of bag (d) the kind of plant
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.⚖️ 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) amount of water drops (b) the same kind of bag (c) the time we wait (d) the kind of plant
6. 6.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
7. 7.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
8. 8.🪴 Which part of a plant does this job: give out water vapour? (a) stem (b) leaves (c) roots (d) flower
9. 9.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) tiny water drops (c) tiny insects (d) nothing at all
10. 10.🧺 Which of these is not needed for the leafy bag test? (a) a battery cell (b) a clear plastic bag (c) a potted plant (d) a few hours
11. 11.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) stomata (b) veins (c) roots (d) petals
12. 12.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a mirror (c) a few hours (d) sunlight
13. 13.True or false: a magnet is needed for the leafy bag test. (a) True (b) False
14. 14.🪴 Which part of a plant does this job: hold the plant in soil? (a) roots (b) leaves (c) stem (d) flower
15. 15.True or false: turmeric powder is needed for the leafy bag test. (a) True (b) False
16. 16.⚖️ 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 what we measure. (a) False (b) True
17. 17.True or false: make food in sunlight is a job of the flower. (a) False (b) True
18. 18.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) with a hot glue gun (c) as tight as possible (d) gently, not too tight
19. 19.🧺 Do we need a mirror for the leafy bag test? (a) needed (b) not needed
20. 20.⚖️ 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) True (b) False
21. 21.🪴 Which of these is a job of the roots? (a) give out water vapour (b) make food in sunlight (c) make seeds (d) take in water from soil
22. 22.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it wilts and droops (c) it turns blue (d) it grows faster
23. 23.True or false: hold the plant in soil is a job of the leaves. (a) False (b) True
24. 24.🪴 Which of these is a job of the leaves? (a) make food in sunlight (b) hold up the leaves (c) make seeds (d) carry water upward
25. 25.True or false: a magnet is not needed for the leafy bag test. (a) False (b) True
26. 26.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) vinegar (c) a few hours (d) sunlight
27. 27.🪴 Which of these is a job of the stem? (a) hold up the leaves (b) give out water vapour (c) make seeds (d) take in water from soil
28. 28.🪴 Which part of a plant does this job: hold up the leaves? (a) stem (b) flower (c) leaves (d) roots
29. 29.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it can block breathing (c) it is too big (d) it changes colour
30. 30.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) sunlight (c) a clear plastic bag (d) a magnet
31. 31.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a few hours (c) a rubber band (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 keep it the same (b) we change it (c) we measure it
33. 33.⚖️ 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 the one thing we change. (a) True (b) False
34. 34.⚖️ 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 kept the same. (a) False (b) True
35. 35.🪴 Which of these is a job of the roots? (a) hold the plant in soil (b) carry water upward (c) make food in sunlight (d) make seeds
36. 36.⚖️ 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) amount of water drops (c) the time we wait
37. 37.True or false: a rubber band is needed for the leafy bag test. (a) False (b) True
38. 38.True or false: give out water vapour is a job of the leaves. (a) False (b) True
39. 39.True or false: sunlight is needed for the leafy bag test. (a) False (b) True
40. 40.⚖️ 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 the one thing we change. (a) True (b) False

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