Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 33 · 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.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
2. 2.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) sunlight (c) vinegar (d) a few hours
3. 3.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) salt crystals (c) tiny insects (d) tiny water drops
4. 4.True or false: sunlight is not needed for the leafy bag test. (a) True (b) False
5. 5.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) it fills with soil (b) much less water (c) much more water (d) exactly the same
6. 6.⚖️ 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 kind of plant (b) sun or shade (c) the size of the plant (d) amount of water drops
7. 7.True or false: a few hours is needed for the leafy bag test. (a) False (b) True
8. 8.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a clear plastic bag (c) a few hours (d) turmeric powder
9. 9.True or false: a clear plastic bag is not needed for the leafy bag test. (a) False (b) True
10. 10.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a few hours (c) a magnet (d) a rubber band
11. 11.🧺 Do we need a potted plant for the leafy bag test? (a) needed (b) not needed
12. 12.⚖️ 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
13. 13.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) both the same (b) the hot sunny day (c) the cool cloudy day (d) neither of them
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 change it (b) we keep it the same (c) we measure it
15. 15.🪴 Which part of a plant does this job: make food in sunlight? (a) flower (b) leaves (c) stem (d) roots
16. 16.⚖️ 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) False (b) True
17. 17.🛟 Why must a plastic bag never go over anyone’s head? (a) it can block breathing (b) it is too big (c) it gets wet (d) it changes colour
18. 18.🧺 Do we need turmeric powder for the leafy bag test? (a) needed (b) not needed
19. 19.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a rubber band (c) vinegar (d) a battery cell
20. 20.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) stomata (b) roots (c) petals (d) veins
21. 21.🪴 Which part of a plant does this job: hold the plant in soil? (a) roots (b) stem (c) leaves (d) flower
22. 22.🪴 Where did the water inside the bag come from? (a) the leaves (b) the rubber band (c) the rain (d) the plastic
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 change it (b) we measure it (c) we keep it the same
24. 24.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a mirror (c) a rubber band (d) a potted plant
25. 25.🪴 Which of these is a job of the roots? (a) give out water vapour (b) take in water from soil (c) make food in sunlight (d) hold up the leaves
26. 26.True or false: hold up the leaves is a job of the leaves. (a) True (b) False
27. 27.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) germination (c) transpiration (d) reflection
28. 28.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
29. 29.True or false: take in water from soil is a job of the roots. (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 kind of plant is the one thing we change. (a) False (b) True
31. 31.🧺 Do we need sunlight for the leafy bag test? (a) needed (b) not needed
32. 32.🪴 Which of these is a job of the roots? (a) give out water vapour (b) carry water upward (c) make seeds (d) hold the plant in soil
33. 33.⚖️ 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 measure it (b) we keep it the same (c) we change it
34. 34.True or false: take in water from soil is a job of the stem. (a) False (b) True
35. 35.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
36. 36.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) with sharp wire (c) with a hot glue gun (d) gently, not too tight
37. 37.⚖️ 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 size of the plant (c) sun or shade
38. 38.🪴 Which of these is a job of the flower? (a) give out water vapour (b) take in water from soil (c) make seeds (d) hold up the leaves
39. 39.True or false: a clear plastic bag is needed for the leafy bag test. (a) False (b) True
40. 40.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) yeast (c) sunlight (d) a few hours

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