Transpiration Experiment Worksheet

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

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