Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 274 · 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.🪴 Which part of a plant does this job: give out water vapour? (a) stem (b) roots (c) flower (d) leaves
2. 2.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a magnet (c) a few hours (d) yeast
3. 3.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) a few hours (c) yeast (d) a potted plant
4. 4.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) with sharp wire (c) as tight as possible (d) gently, not too tight
5. 5.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it can block breathing (c) it changes colour (d) it is too big
6. 6.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) veins (b) roots (c) stomata (d) petals
7. 7.⚖️ 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) sun or shade (c) the kind of plant (d) amount of water drops
8. 8.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) tiny insects (c) salt crystals (d) tiny water drops
9. 9.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a mirror (c) a rubber band (d) a few hours
10. 10.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the same kind of bag is kept the same. (a) True (b) False
11. 11.True or false: hold up the leaves is a job of the stem. (a) False (b) True
12. 12.True or false: a few hours is not needed for the leafy bag test. (a) True (b) False
13. 13.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) a magnet (c) a battery cell (d) a clear plastic bag
14. 14.🪴 Which of these is a job of the stem? (a) carry water upward (b) hold the plant in soil (c) make food in sunlight (d) take in water from soil
15. 15.🪴 Which of these is a job of the flower? (a) hold the plant in soil (b) carry water upward (c) hold up the leaves (d) make seeds
16. 16.🪴 Which of these is a job of the stem? (a) make seeds (b) hold up the leaves (c) hold the plant in soil (d) take in water from soil
17. 17.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a mirror (c) vinegar (d) sunlight
18. 18.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “amount of water drops”? (a) we keep it the same (b) we measure it (c) we change it
19. 19.True or false: give out water vapour is a job of the leaves. (a) False (b) True
20. 20.🪴 Which part of a plant does this job: carry water upward? (a) roots (b) stem (c) leaves (d) flower
21. 21.True or false: a clear plastic bag is needed for the leafy bag test. (a) True (b) False
22. 22.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it grows faster (c) it flowers more (d) it wilts and droops
23. 23.🧺 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 rubber band
24. 24.🔮 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
25. 25.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a clear plastic bag (c) a battery cell (d) a few hours
26. 26.⚖️ 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) True (b) False
27. 27.⚖️ 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
28. 28.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a battery cell (c) a potted plant (d) a few hours
29. 29.🧺 Do we need turmeric powder for the leafy bag test? (a) needed (b) not needed
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 change it (b) we measure it (c) we keep it the same
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 change it (b) we keep it the same (c) we measure it
32. 32.⚖️ 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) amount of water drops (c) sun or shade (d) the time we wait
33. 33.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a clear plastic bag (c) a magnet (d) a few hours
34. 34.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) sunlight (c) turmeric powder (d) a few hours
35. 35.True or false: a clear plastic bag is not needed for the leafy bag test. (a) False (b) True
36. 36.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the cool cloudy day (b) neither of them (c) the hot sunny day (d) both the same
37. 37.True or false: a mirror is not needed for the leafy bag test. (a) False (b) True
38. 38.🪴 Which part of a plant does this job: take in water from soil? (a) stem (b) roots (c) leaves (d) flower
39. 39.True or false: make food in sunlight is a job of the flower. (a) True (b) False
40. 40.🪴 Where did the water inside the bag come from? (a) the rain (b) the leaves (c) the plastic (d) the rubber band

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