Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 115 · 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 part of a plant does this job: give out water vapour? (a) flower (b) stem (c) leaves (d) roots
2. 2.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it wilts and droops (c) it flowers more (d) it grows faster
3. 3.🪴 Which part of a plant does this job: hold up the leaves? (a) leaves (b) flower (c) stem (d) roots
4. 4.True or false: turmeric powder is not needed for the leafy bag test. (a) False (b) True
5. 5.⚖️ 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
6. 6.True or false: hold the plant in soil is a job of the roots. (a) True (b) False
7. 7.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) stomata (c) veins (d) roots
8. 8.True or false: make food in sunlight is a job of the stem. (a) True (b) False
9. 9.🪴 Which of these is a job of the flower? (a) hold up the leaves (b) take in water from soil (c) make seeds (d) carry water upward
10. 10.True or false: a few hours is not needed for the leafy bag test. (a) True (b) False
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.⚖️ 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
13. 13.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a magnet (c) a few hours (d) sunlight
14. 14.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
15. 15.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “the time we wait”? (a) we measure it (b) we keep it the same (c) we change it
16. 16.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) give out water vapour (c) take in water from soil (d) carry water upward
17. 17.⚖️ 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 time we wait (c) amount of water drops
18. 18.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a battery cell (c) a clear plastic bag (d) a rubber band
19. 19.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
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) sun or shade (b) amount of water drops (c) the size of the plant (d) the same kind of bag
21. 21.🪴 Which part of a plant does this job: take in water from soil? (a) stem (b) roots (c) leaves (d) flower
22. 22.⚖️ 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 size of the plant (c) the kind of plant (d) the time we wait
23. 23.🪴 Which of these is a job of the roots? (a) make seeds (b) give out water vapour (c) carry water upward (d) hold the plant in soil
24. 24.🪴 Which part of a plant does this job: hold the plant in soil? (a) roots (b) stem (c) flower (d) leaves
25. 25.🪴 Which part of a plant does this job: carry water upward? (a) roots (b) stem (c) flower (d) leaves
26. 26.🧺 Which of these is not needed for the leafy bag test? (a) a magnet (b) a potted plant (c) a clear plastic bag (d) sunlight
27. 27.📘 What do we call plants giving out water vapour from their leaves? (a) reflection (b) digestion (c) transpiration (d) germination
28. 28.🪴 Which of these is a job of the leaves? (a) take in water from soil (b) hold up the leaves (c) make seeds (d) give out water vapour
29. 29.True or false: a battery cell is not needed for the leafy bag test. (a) True (b) False
30. 30.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much more water (b) much less water (c) it fills with soil (d) exactly the same
31. 31.⚖️ 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 keep it the same (b) we change it (c) we measure it
32. 32.True or false: hold up the leaves is a job of the roots. (a) False (b) True
33. 33.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) as tight as possible (c) with a hot glue gun (d) gently, not too tight
34. 34.⚖️ 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 change it (b) we measure it (c) we keep it the same
35. 35.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the cool cloudy day (b) neither of them (c) the hot sunny day (d) both the same
36. 36.🪴 Which of these is a job of the stem? (a) make seeds (b) carry water upward (c) take in water from soil (d) give out water vapour
37. 37.True or false: make seeds is a job of the flower. (a) True (b) False
38. 38.True or false: a mirror is needed for the leafy bag test. (a) False (b) True
39. 39.🪴 Which part of a plant does this job: make seeds? (a) leaves (b) stem (c) roots (d) flower
40. 40.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a clear plastic bag (c) a rubber band (d) a battery cell

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids