Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 272 · 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.⚖️ 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
2. 2.⚖️ 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 what we measure. (a) False (b) True
3. 3.🛟 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
4. 4.True or false: yeast is not needed for the leafy bag test. (a) True (b) False
5. 5.⚖️ 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 time we wait (c) sun or shade
6. 6.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
7. 7.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) gently, not too tight (c) as tight as possible (d) with sharp wire
8. 8.⚖️ 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
9. 9.🪴 Which of these is a job of the stem? (a) make food in sunlight (b) hold up the leaves (c) take in water from soil (d) hold the plant in soil
10. 10.🪴 Which part of a plant does this job: make food in sunlight? (a) stem (b) flower (c) leaves (d) roots
11. 11.⚖️ 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 the one thing we change. (a) True (b) False
12. 12.True or false: make food in sunlight is a job of the roots. (a) True (b) False
13. 13.True or false: a few hours is not needed for the leafy bag test. (a) False (b) True
14. 14.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a clear plastic bag (c) vinegar (d) sunlight
15. 15.True or false: a clear plastic bag is needed for the leafy bag test. (a) True (b) False
16. 16.⚖️ 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 kept the same. (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) the kind of plant (b) amount of water drops (c) the size of the plant (d) sun or shade
18. 18.⚖️ 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 time we wait (b) amount of water drops (c) sun or shade (d) the same kind of bag
19. 19.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it turns blue (c) it wilts and droops (d) it flowers more
20. 20.True or false: carry water upward is a job of the stem. (a) False (b) True
21. 21.True or false: give out water vapour is a job of the stem. (a) False (b) True
22. 22.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a clear plastic bag (c) a rubber band (d) a battery cell
23. 23.🧺 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) a potted plant (d) a battery cell
24. 24.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
25. 25.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a mirror (c) a few hours (d) vinegar
26. 26.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) roots (b) veins (c) petals (d) stomata
27. 27.⚖️ 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
28. 28.🪴 Which of these is a job of the flower? (a) take in water from soil (b) make food in sunlight (c) give out water vapour (d) make seeds
29. 29.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) nothing at all (c) tiny water drops (d) tiny insects
30. 30.🪴 Which part of a plant does this job: take in water from soil? (a) flower (b) stem (c) leaves (d) roots
31. 31.🪴 Which part of a plant does this job: hold up the leaves? (a) stem (b) roots (c) flower (d) leaves
32. 32.⚖️ 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 what we measure. (a) True (b) False
33. 33.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much more water (b) exactly the same (c) it fills with soil (d) much less water
34. 34.True or false: sunlight is not needed for the leafy bag test. (a) False (b) True
35. 35.🪴 Which of these is a job of the roots? (a) make seeds (b) hold up the leaves (c) give out water vapour (d) take in water from soil
36. 36.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a potted plant (c) a magnet (d) a few hours
37. 37.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) turmeric powder (c) sunlight (d) a rubber band
38. 38.🪴 Where did the water inside the bag come from? (a) the rain (b) the leaves (c) the rubber band (d) the plastic
39. 39.True or false: vinegar is needed for the leafy bag test. (a) False (b) True
40. 40.🧺 Do we need a battery cell for the leafy bag test? (a) not needed (b) needed

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