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.⚖️ 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
- 2.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it gets wet (c) it can block breathing (d) it is too big
- 3.True or false: give out water vapour is a job of the stem. (a) True (b) False
- 4.True or false: a mirror is needed for the leafy bag test. (a) False (b) True
- 5.🪴 Which part of a plant does this job: make food in sunlight? (a) leaves (b) flower (c) roots (d) stem
- 6.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
- 7.True or false: carry water upward is a job of the stem. (a) False (b) True
- 8.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) vinegar (b) a few hours (c) a potted plant (d) a rubber band
- 9.🪴 Which part of a plant does this job: take in water from soil? (a) leaves (b) stem (c) flower (d) roots
- 10.🪴 Which of these is a job of the flower? (a) make seeds (b) hold up the leaves (c) give out water vapour (d) take in water from soil
- 11.🪴 Which part of a plant does this job: hold up the leaves? (a) roots (b) flower (c) stem (d) leaves
- 12.True or false: vinegar is needed for the leafy bag test. (a) True (b) False
- 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) the size of the plant (b) amount of water drops (c) sun or shade (d) the kind of plant
- 14.🪴 Which of these is a job of the leaves? (a) make food in sunlight (b) carry water upward (c) hold up the leaves (d) take in water from soil
- 15.⚖️ 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 keep it the same (b) we change it (c) we measure it
- 16.🪴 Which of these is a job of the stem? (a) hold the plant in soil (b) hold up the leaves (c) take in water from soil (d) make seeds
- 17.🧺 Which of these is needed for the leafy bag test? (a) a rubber band (b) a battery cell (c) yeast (d) a mirror
- 18.🪴 Which of these is a job of the roots? (a) carry water upward (b) hold up the leaves (c) give out water vapour (d) take in water from soil
- 19.⚖️ 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) True (b) False
- 20.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the cool cloudy day (b) the hot sunny day (c) both the same (d) neither of them
- 21.⚖️ 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 size of the plant (b) amount of water drops (c) the kind of plant (d) the time we wait
- 22.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
- 23.🧺 Which of these is not needed for the leafy bag test? (a) a mirror (b) a rubber band (c) a clear plastic bag (d) a few hours
- 24.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
- 25.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) sunlight (c) a rubber band (d) a magnet
- 26.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) yeast (b) sunlight (c) a few hours (d) a rubber band
- 27.🔮 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
- 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 size of the plant (b) sun or shade (c) amount of water drops
- 29.🧺 Which of these is needed for the leafy bag test? (a) a potted plant (b) a mirror (c) vinegar (d) a magnet
- 30.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) turmeric powder (c) vinegar (d) a clear plastic bag
- 31.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a mirror (c) a potted plant (d) a few hours
- 32.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) tiny water drops (c) salt crystals (d) tiny insects
- 33.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
- 34.True or false: turmeric powder is needed for the leafy bag test. (a) True (b) False
- 35.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a magnet (c) sunlight (d) a potted plant
- 36.⚖️ 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) sun or shade (b) the same kind of bag (c) amount of water drops
- 37.True or false: yeast is needed for the leafy bag test. (a) True (b) False
- 38.🪴 Which part of a plant does this job: hold the plant in soil? (a) leaves (b) stem (c) flower (d) roots
- 39.🧺 Do we need a rubber band for the leafy bag test? (a) not needed (b) needed
- 40.🧺 Do we need a battery cell for the leafy bag test? (a) not needed (b) needed
Answer key
- we measure it
- it can block breathing
- False
- False
- leaves
- needed
- True
- vinegar
- roots
- make seeds
- stem
- False
- sun or shade
- make food in sunlight
- we keep it the same
- hold up the leaves
- a rubber band
- take in water from soil
- True
- the hot sunny day
- amount of water drops
- not needed
- a mirror
- needed
- a magnet
- yeast
- it wilts and droops
- the size of the plant
- a potted plant
- a clear plastic bag
- a mirror
- tiny water drops
- not needed
- False
- a magnet
- the same kind of bag
- False
- roots
- needed
- not needed
Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids