Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 24 · 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 a rubber band for the leafy bag test? (a) not needed (b) needed
2. 2.⚖️ 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 measure it (b) we keep it the same (c) we change it
3. 3.🧺 Do we need yeast for the leafy bag test? (a) not needed (b) needed
4. 4.⚖️ 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) False (b) True
5. 5.True or false: vinegar is not needed for the leafy bag test. (a) True (b) False
6. 6.🪴 Through which part does a plant take in water from the soil? (a) the flowers (b) the roots (c) the leaves (d) the fruits
7. 7.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a battery cell (c) a few hours (d) a clear plastic bag
8. 8.True or false: a clear plastic bag is not needed for the leafy bag test. (a) False (b) True
9. 9.🧺 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) turmeric powder (d) a few hours
10. 10.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
11. 11.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
12. 12.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) sunlight (c) a mirror (d) a clear plastic bag
13. 13.True or false: a few hours is not needed for the leafy bag test. (a) False (b) True
14. 14.🪴 Which part of a plant does this job: take in water from soil? (a) leaves (b) flower (c) roots (d) stem
15. 15.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it turns blue (c) it flowers more (d) it wilts and droops
16. 16.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much less water (b) exactly the same (c) it fills with soil (d) much more water
17. 17.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) gently, not too tight (c) with sharp wire (d) with a hot glue gun
18. 18.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) roots (b) petals (c) veins (d) stomata
19. 19.🪴 Which part of a plant does this job: make food in sunlight? (a) flower (b) roots (c) leaves (d) stem
20. 20.⚖️ 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 size of the plant (b) the time we wait (c) the kind of plant (d) amount of water drops
21. 21.⚖️ 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
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 measure it (c) we change it
23. 23.True or false: a potted plant is needed for the leafy bag test. (a) False (b) True
24. 24.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: sun or shade is what we measure. (a) True (b) False
25. 25.⚖️ 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 what we measure. (a) True (b) False
26. 26.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) yeast (c) turmeric powder (d) a rubber band
27. 27.🪴 Which part of a plant does this job: hold the plant in soil? (a) flower (b) stem (c) roots (d) leaves
28. 28.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) tiny insects (c) tiny water drops (d) nothing at all
29. 29.⚖️ 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) the time we wait (d) the same kind of bag
30. 30.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a magnet (c) a few hours (d) yeast
31. 31.🪴 Which of these is a job of the roots? (a) make seeds (b) take in water from soil (c) carry water upward (d) give out water vapour
32. 32.True or false: a potted plant is not needed for the leafy bag test. (a) True (b) False
33. 33.🪴 Which part of a plant does this job: make seeds? (a) leaves (b) stem (c) flower (d) roots
34. 34.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a potted plant (c) a clear plastic bag (d) yeast
35. 35.🪴 Where did the water inside the bag come from? (a) the rain (b) the leaves (c) the rubber band (d) the plastic
36. 36.🪴 Which of these is a job of the flower? (a) hold up the leaves (b) give out water vapour (c) make seeds (d) take in water from soil
37. 37.🪴 Which part of a plant does this job: give out water vapour? (a) roots (b) flower (c) stem (d) leaves
38. 38.🧺 Which of these is needed for the leafy bag test? (a) a clear plastic bag (b) turmeric powder (c) a battery cell (d) a magnet
39. 39.True or false: hold the plant in soil is a job of the leaves. (a) True (b) False
40. 40.🪴 Which of these is a job of the stem? (a) carry water upward (b) make food in sunlight (c) hold the plant in soil (d) give out water vapour

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