Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 185 · 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: vinegar is needed for the leafy bag test. (a) True (b) False
2. 2.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it wilts and droops (c) it grows faster (d) it turns blue
3. 3.🪴 Which of these is a job of the flower? (a) take in water from soil (b) hold the plant in soil (c) make food in sunlight (d) make seeds
4. 4.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a few hours (c) a battery cell (d) a potted plant
5. 5.True or false: hold the plant in soil is a job of the roots. (a) True (b) False
6. 6.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) tiny water drops (c) nothing at all (d) tiny insects
7. 7.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a magnet (c) a potted plant (d) a few hours
8. 8.⚖️ 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
9. 9.⚖️ 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) the size of the plant (c) sun or shade (d) amount of water drops
10. 10.True or false: give out water vapour is a job of the leaves. (a) False (b) True
11. 11.⚖️ 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
12. 12.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) yeast (c) a rubber band (d) a clear plastic bag
13. 13.⚖️ 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) the kind of plant (c) sun or shade (d) amount of water drops
14. 14.🪴 Which part of a plant does this job: carry water upward? (a) roots (b) stem (c) leaves (d) flower
15. 15.🛟 Why must a plastic bag never go over anyone’s head? (a) it can block breathing (b) it changes colour (c) it is too big (d) it gets wet
16. 16.True or false: give out water vapour is a job of the roots. (a) True (b) False
17. 17.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) with a hot glue gun (c) with sharp wire (d) gently, not too tight
18. 18.⚖️ 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 what we measure. (a) False (b) True
19. 19.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) yeast (c) a clear plastic bag (d) a potted plant
20. 20.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
21. 21.⚖️ 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
22. 22.True or false: a mirror is not needed for the leafy bag test. (a) True (b) False
23. 23.⚖️ 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 measure it (b) we change it (c) we keep it the same
24. 24.🪴 Which part of a plant does this job: make food in sunlight? (a) flower (b) stem (c) roots (d) leaves
25. 25.⚖️ 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 keep it the same (b) we change it (c) we measure it
26. 26.🪴 Which part of a plant does this job: hold the plant in soil? (a) roots (b) stem (c) flower (d) leaves
27. 27.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a magnet (b) sunlight (c) a potted plant (d) a clear plastic bag
28. 28.🧺 Do we need a magnet for the leafy bag test? (a) needed (b) not needed
29. 29.⚖️ 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) False (b) True
30. 30.🪴 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) take in water from soil
31. 31.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a magnet (c) a mirror (d) a potted plant
32. 32.True or false: a few hours is needed for the leafy bag test. (a) False (b) True
33. 33.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) exactly the same (b) much more water (c) much less water (d) it fills with soil
34. 34.⚖️ 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
35. 35.True or false: a potted plant is needed for the leafy bag test. (a) True (b) False
36. 36.True or false: a few hours is not needed for the leafy bag test. (a) False (b) True
37. 37.True or false: take in water from soil is a job of the roots. (a) True (b) False
38. 38.True or false: make food in sunlight is a job of the roots. (a) True (b) False
39. 39.📘 What do we call plants giving out water vapour from their leaves? (a) transpiration (b) digestion (c) germination (d) reflection
40. 40.⚖️ 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

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