Transpiration Experiment Worksheet
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.
NameDateTime takenScore ___ / 40
- 1.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a battery cell (c) a magnet (d) sunlight
- 2.⚖️ 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 keep it the same (c) we change it
- 3.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) a battery cell (c) vinegar (d) a clear plastic bag
- 4.True or false: vinegar is not needed for the leafy bag test. (a) False (b) True
- 5.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it wilts and droops (b) it grows faster (c) it flowers more (d) it turns blue
- 6.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) gently, not too tight (c) with a hot glue gun (d) as tight as possible
- 7.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a mirror (b) a few hours (c) a rubber band (d) sunlight
- 8.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
- 9.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a potted plant (c) vinegar (d) a clear plastic bag
- 10.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
- 11.⚖️ 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 keep it the same (c) we measure it
- 12.🛟 Why must a plastic bag never go over anyone’s head? (a) it can block breathing (b) it changes colour (c) it gets wet (d) it is too big
- 13.⚖️ 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) sun or shade (b) the kind of plant (c) the time we wait (d) the same kind of bag
- 14.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) yeast (b) a few hours (c) a clear plastic bag (d) sunlight
- 15.⚖️ 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) amount of water drops (c) sun or shade
- 16.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) carry water upward (c) take in water from soil (d) make seeds
- 17.🪴 Which of these is a job of the leaves? (a) take in water from soil (b) carry water upward (c) hold up the leaves (d) make food in sunlight
- 18.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
- 19.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a rubber band (c) sunlight (d) turmeric powder
- 20.⚖️ 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 size of the plant (c) sun or shade
- 21.⚖️ 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
- 22.📘 What do we call plants giving out water vapour from their leaves? (a) transpiration (b) digestion (c) reflection (d) germination
- 23.True or false: hold up the leaves is a job of the stem. (a) False (b) True
- 24.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
- 25.True or false: give out water vapour is a job of the leaves. (a) False (b) True
- 26.🪴 Which part of a plant does this job: give out water vapour? (a) flower (b) leaves (c) stem (d) roots
- 27.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) a mirror (c) a magnet (d) a potted plant
- 28.True or false: hold up the leaves is a job of the flower. (a) True (b) False
- 29.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “the kind of plant”? (a) we change it (b) we keep it the same (c) we measure it
- 30.⚖️ 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
- 31.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny water drops (b) tiny insects (c) nothing at all (d) salt crystals
- 32.🧺 Which of these is not needed for the leafy bag test? (a) yeast (b) a few hours (c) sunlight (d) a potted plant
- 33.⚖️ 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 measure it (b) we change it (c) we keep it the same
- 34.True or false: vinegar is needed for the leafy bag test. (a) True (b) False
- 35.True or false: turmeric powder is not needed for the leafy bag test. (a) True (b) False
- 36.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) sunlight (c) a magnet (d) a potted plant
- 37.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) a few hours (c) sunlight (d) turmeric powder
- 38.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) sunlight (c) a magnet (d) a clear plastic bag
- 39.⚖️ 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
- 40.⚖️ 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 kept the same. (a) False (b) True
Answer key
- sunlight
- we keep it the same
- a clear plastic bag
- True
- it wilts and droops
- gently, not too tight
- a mirror
- needed
- vinegar
- not needed
- we change it
- it can block breathing
- sun or shade
- yeast
- the same kind of bag
- take in water from soil
- make food in sunlight
- not needed
- turmeric powder
- the size of the plant
- we keep it the same
- transpiration
- True
- not needed
- True
- leaves
- a potted plant
- False
- we keep it the same
- False
- tiny water drops
- yeast
- we measure it
- False
- True
- a magnet
- turmeric powder
- a magnet
- False
- True
Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids