Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 70 · 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.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the cool cloudy day (b) both the same (c) the hot sunny day (d) neither of them
2. 2.🪴 Which of these is a job of the stem? (a) take in water from soil (b) carry water upward (c) give out water vapour (d) make seeds
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 change it (b) we keep it the same (c) we measure it
4. 4.🪴 Which of these is a job of the leaves? (a) take in water from soil (b) make food in sunlight (c) carry water upward (d) hold up the leaves
5. 5.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it flowers more (c) it grows faster (d) it wilts and droops
6. 6.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) nothing at all (c) salt crystals (d) tiny water drops
7. 7.🪴 Which of these is a job of the leaves? (a) hold up the leaves (b) carry water upward (c) hold the plant in soil (d) give out water vapour
8. 8.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it gets wet (c) it changes colour (d) it can block breathing
9. 9.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) turmeric powder (c) sunlight (d) a potted plant
10. 10.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “the size of the plant”? (a) we measure it (b) we keep it the same (c) we change it
11. 11.True or false: hold up the leaves is a job of the roots. (a) False (b) True
12. 12.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
13. 13.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) gently, not too tight (c) with sharp wire (d) as tight as possible
14. 14.⚖️ 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) True (b) False
15. 15.🪴 Which part of a plant does this job: make seeds? (a) roots (b) flower (c) stem (d) leaves
16. 16.🪴 Which part of a plant does this job: make food in sunlight? (a) leaves (b) stem (c) flower (d) roots
17. 17.True or false: take in water from soil is a job of the flower. (a) False (b) True
18. 18.🧺 Which of these is needed for the leafy bag test? (a) a potted plant (b) yeast (c) a magnet (d) turmeric powder
19. 19.⚖️ 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) True (b) False
20. 20.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a mirror (b) a rubber band (c) a clear plastic bag (d) a few hours
21. 21.🪴 Which of these is a job of the flower? (a) make seeds (b) give out water vapour (c) make food in sunlight (d) take in water from soil
22. 22.🪴 Which part of a plant does this job: give out water vapour? (a) roots (b) stem (c) leaves (d) flower
23. 23.True or false: sunlight is needed for the leafy bag test. (a) True (b) False
24. 24.⚖️ 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
25. 25.True or false: a clear plastic bag is not needed for the leafy bag test. (a) True (b) False
26. 26.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) yeast (c) a rubber band (d) sunlight
27. 27.⚖️ 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 time we wait (b) amount of water drops (c) the kind of plant (d) sun or shade
28. 28.🪴 Which of these is a job of the roots? (a) make seeds (b) carry water upward (c) hold the plant in soil (d) hold up the leaves
29. 29.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
30. 30.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
31. 31.True or false: a rubber band is needed for the leafy bag test. (a) False (b) True
32. 32.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a mirror (c) a clear plastic bag (d) turmeric powder
33. 33.⚖️ 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
34. 34.True or false: a magnet is needed for the leafy bag test. (a) True (b) False
35. 35.⚖️ 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 same kind of bag (b) sun or shade (c) amount of water drops (d) the kind of plant
36. 36.🧺 Which of these is needed for the leafy bag test? (a) sunlight (b) a magnet (c) turmeric powder (d) a mirror
37. 37.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
38. 38.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
39. 39.🪴 Through which part does a plant take in water from the soil? (a) the roots (b) the flowers (c) the leaves (d) the fruits
40. 40.⚖️ 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 measure it (c) we change it

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