Transpiration Experiment Worksheet

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

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