Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 15 · 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) False (b) True
2. 2.🧺 Do we need a rubber band for the leafy bag test? (a) not needed (b) needed
3. 3.⚖️ 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
4. 4.⚖️ 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 measure it (c) we keep it the same
5. 5.🪴 Which part of a plant does this job: make food in sunlight? (a) stem (b) roots (c) flower (d) leaves
6. 6.⚖️ 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
7. 7.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the hot sunny day (b) the cool cloudy day (c) both the same (d) neither of them
8. 8.⚖️ 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 kind of plant (b) the size of the plant (c) the time we wait (d) sun or shade
9. 9.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) make seeds (c) carry water upward (d) hold the plant in soil
10. 10.🪴 Which of these is a job of the stem? (a) hold the plant in soil (b) make seeds (c) carry water upward (d) make food in sunlight
11. 11.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) a magnet (c) vinegar (d) sunlight
12. 12.🧺 Do we need a battery cell for the leafy bag test? (a) not needed (b) needed
13. 13.⚖️ 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
14. 14.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) sunlight (c) a rubber band (d) vinegar
15. 15.True or false: sunlight is not needed for the leafy bag test. (a) False (b) True
16. 16.🪴 Through which part does a plant take in water from the soil? (a) the roots (b) the flowers (c) the fruits (d) the leaves
17. 17.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a magnet (c) a potted plant (d) a clear plastic bag
18. 18.🧺 Do we need a magnet for the leafy bag test? (a) needed (b) not needed
19. 19.True or false: make food in sunlight is a job of the leaves. (a) False (b) True
20. 20.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it wilts and droops (b) it flowers more (c) it grows faster (d) it turns blue
21. 21.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
22. 22.🪴 Which of these is a job of the flower? (a) make seeds (b) hold up the leaves (c) take in water from soil (d) make food in sunlight
23. 23.🛟 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
24. 24.True or false: a battery cell is not needed for the leafy bag test. (a) False (b) True
25. 25.🪴 Which part of a plant does this job: make seeds? (a) roots (b) flower (c) stem (d) leaves
26. 26.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) roots (b) veins (c) petals (d) stomata
27. 27.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
28. 28.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
29. 29.🛟 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
30. 30.🪴 Which of these is a job of the roots? (a) take in water from soil (b) hold up the leaves (c) carry water upward (d) make food in sunlight
31. 31.True or false: give out water vapour is a job of the roots. (a) True (b) False
32. 32.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) nothing at all (c) tiny insects (d) tiny water drops
33. 33.🪴 Which part of a plant does this job: hold up the leaves? (a) stem (b) leaves (c) flower (d) roots
34. 34.🪴 Which part of a plant does this job: take in water from soil? (a) roots (b) flower (c) stem (d) leaves
35. 35.True or false: hold the plant in soil is a job of the leaves. (a) True (b) False
36. 36.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a magnet (b) a rubber band (c) a potted plant (d) sunlight
37. 37.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) transpiration (c) reflection (d) germination
38. 38.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) a magnet (c) a mirror (d) a few hours
39. 39.🪴 Which part of a plant does this job: carry water upward? (a) roots (b) stem (c) flower (d) leaves
40. 40.True or false: yeast is not needed for the leafy bag test. (a) False (b) True

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