Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 136 · 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? What do we do with “the size of the plant”? (a) we change it (b) we measure it (c) we keep it the same
2. 2.⚖️ 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
3. 3.True or false: vinegar is not needed for the leafy bag test. (a) False (b) True
4. 4.🔮 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
5. 5.True or false: yeast is not needed for the leafy bag test. (a) False (b) True
6. 6.⚖️ 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) sun or shade (d) the time we wait
7. 7.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it can block breathing (c) it gets wet (d) it is too big
8. 8.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) transpiration (c) germination (d) reflection
9. 9.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a clear plastic bag (c) a magnet (d) sunlight
10. 10.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a magnet (c) a rubber band (d) a potted plant
11. 11.True or false: hold the plant in soil is a job of the stem. (a) True (b) False
12. 12.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) with sharp wire (c) gently, not too tight (d) as tight as possible
13. 13.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) veins (c) roots (d) stomata
14. 14.⚖️ 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
15. 15.🪴 Which of these is a job of the stem? (a) give out water vapour (b) make seeds (c) hold the plant in soil (d) hold up the leaves
16. 16.🪴 Which of these is a job of the roots? (a) hold the plant in soil (b) make seeds (c) give out water vapour (d) make food in sunlight
17. 17.🪴 Which part of a plant does this job: make seeds? (a) roots (b) flower (c) leaves (d) stem
18. 18.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
19. 19.True or false: a battery cell is needed for the leafy bag test. (a) True (b) False
20. 20.⚖️ 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
21. 21.🪴 Which part of a plant does this job: hold the plant in soil? (a) roots (b) leaves (c) flower (d) stem
22. 22.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) tiny water drops (c) salt crystals (d) nothing at all
23. 23.True or false: make food in sunlight is a job of the leaves. (a) True (b) False
24. 24.True or false: a potted plant is not needed for the leafy bag test. (a) False (b) True
25. 25.🧺 Do we need sunlight for the leafy bag test? (a) needed (b) not needed
26. 26.⚖️ 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) False (b) True
27. 27.True or false: take in water from soil is a job of the stem. (a) False (b) True
28. 28.⚖️ 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) the same kind of bag (b) sun or shade (c) amount of water drops
29. 29.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
30. 30.True or false: a clear plastic bag is not needed for the leafy bag test. (a) True (b) False
31. 31.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
32. 32.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
33. 33.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a rubber band (c) a clear plastic bag (d) a battery cell
34. 34.True or false: a clear plastic bag is needed for the leafy bag test. (a) True (b) False
35. 35.⚖️ 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 change it (b) we measure it (c) we keep it the same
36. 36.True or false: make food in sunlight is a job of the roots. (a) False (b) True
37. 37.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the plastic (c) the leaves (d) the rain
38. 38.True or false: make food in sunlight is a job of the flower. (a) True (b) False
39. 39.🪴 Which part of a plant does this job: give out water vapour? (a) stem (b) roots (c) flower (d) leaves
40. 40.True or false: turmeric powder is needed for the leafy bag test. (a) True (b) False

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