Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 20 · 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 potted plant for the leafy bag test? (a) needed (b) not needed
2. 2.🪴 Which part of a plant does this job: give out water vapour? (a) flower (b) leaves (c) roots (d) stem
3. 3.⚖️ 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) True (b) False
4. 4.⚖️ 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
5. 5.🧺 Which of these is not needed for the leafy bag test? (a) turmeric powder (b) a rubber band (c) a potted plant (d) a clear plastic bag
6. 6.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a potted plant (c) a mirror (d) a few hours
7. 7.📘 What do we call plants giving out water vapour from their leaves? (a) germination (b) digestion (c) transpiration (d) reflection
8. 8.True or false: turmeric powder is needed for the leafy bag test. (a) True (b) False
9. 9.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it gets wet (c) it can block breathing (d) it changes colour
10. 10.🪴 Through which part does a plant take in water from the soil? (a) the flowers (b) the roots (c) the leaves (d) the fruits
11. 11.🪴 Which of these is a job of the stem? (a) hold up the leaves (b) give out water vapour (c) make food in sunlight (d) take in water from soil
12. 12.⚖️ 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) False (b) True
13. 13.⚖️ 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 what we measure. (a) True (b) False
14. 14.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) tiny water drops (c) nothing at all (d) tiny insects
15. 15.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
16. 16.True or false: sunlight is needed for the leafy bag test. (a) True (b) False
17. 17.⚖️ 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) amount of water drops (b) the kind of plant (c) the same kind of bag (d) sun or shade
18. 18.True or false: a mirror is not needed for the leafy bag test. (a) False (b) True
19. 19.True or false: make food in sunlight is a job of the roots. (a) True (b) False
20. 20.🧺 Do we need a rubber band for the leafy bag test? (a) not needed (b) needed
21. 21.True or false: a clear plastic bag is needed for the leafy bag test. (a) False (b) True
22. 22.🔮 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) both the same (d) the cool cloudy day
23. 23.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a clear plastic bag (c) a few hours (d) a battery cell
24. 24.True or false: a magnet is needed for the leafy bag test. (a) False (b) True
25. 25.🧺 Which of these is not needed for the leafy bag test? (a) a magnet (b) a potted plant (c) a few hours (d) a clear plastic bag
26. 26.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
27. 27.True or false: hold up the leaves is a job of the stem. (a) False (b) True
28. 28.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
29. 29.⚖️ 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 change it (c) we measure it
30. 30.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) veins (c) roots (d) stomata
31. 31.True or false: a mirror is needed for the leafy bag test. (a) True (b) False
32. 32.⚖️ 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
33. 33.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) yeast (c) vinegar (d) a potted plant
34. 34.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) take in water from soil (c) make seeds (d) carry water upward
35. 35.🧺 Which of these is needed for the leafy bag test? (a) a rubber band (b) vinegar (c) a mirror (d) yeast
36. 36.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much more water (b) it fills with soil (c) much less water (d) exactly the same
37. 37.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed
38. 38.True or false: vinegar is not needed for the leafy bag test. (a) True (b) False
39. 39.True or false: give out water vapour is a job of the leaves. (a) False (b) True
40. 40.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) sunlight (c) a magnet (d) a mirror

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