Transpiration Experiment Worksheet

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

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