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.🧺 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 battery cell (d) a rubber band
- 2.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) a rubber band (c) yeast (d) a mirror
- 3.🧺 Do we need a potted plant for the leafy bag test? (a) needed (b) not needed
- 4.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the hot sunny day (b) neither of them (c) both the same (d) the cool cloudy day
- 5.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
- 6.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a battery cell (c) sunlight (d) a magnet
- 7.True or false: a potted plant is not needed for the leafy bag test. (a) False (b) True
- 8.⚖️ 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 kept the same. (a) False (b) True
- 9.🪴 Which of these is a job of the flower? (a) carry water upward (b) make seeds (c) make food in sunlight (d) give out water vapour
- 10.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a clear plastic bag (c) turmeric powder (d) a potted plant
- 11.🪴 Where did the water inside the bag come from? (a) the rain (b) the rubber band (c) the leaves (d) the plastic
- 12.⚖️ 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
- 13.True or false: hold up the leaves is a job of the leaves. (a) False (b) True
- 14.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
- 15.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it flowers more (c) it turns blue (d) it wilts and droops
- 16.⚖️ 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 kind of plant (b) amount of water drops (c) sun or shade
- 17.True or false: a battery cell is needed for the leafy bag test. (a) False (b) True
- 18.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) it fills with soil (b) much more water (c) much less water (d) exactly the same
- 19.True or false: a magnet is needed for the leafy bag test. (a) True (b) False
- 20.⚖️ 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) True (b) False
- 21.🪴 Which part of a plant does this job: give out water vapour? (a) stem (b) flower (c) roots (d) leaves
- 22.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) stomata (b) veins (c) roots (d) petals
- 23.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) tiny water drops (c) nothing at all (d) salt crystals
- 24.🪴 Which part of a plant does this job: take in water from soil? (a) flower (b) roots (c) leaves (d) stem
- 25.⚖️ 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
- 26.⚖️ 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 keep it the same (c) we change it
- 27.True or false: a magnet is not needed for the leafy bag test. (a) True (b) False
- 28.⚖️ 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) amount of water drops (b) the kind of plant (c) sun or shade (d) the time we wait
- 29.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) gently, not too tight (c) as tight as possible (d) with a hot glue gun
- 30.🪴 Which part of a plant does this job: make seeds? (a) stem (b) roots (c) flower (d) leaves
- 31.⚖️ 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 keep it the same (b) we change it (c) we measure it
- 32.True or false: a potted plant is needed for the leafy bag test. (a) True (b) False
- 33.True or false: make food in sunlight is a job of the flower. (a) True (b) False
- 34.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) turmeric powder (c) a potted plant (d) a mirror
- 35.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed
- 36.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
- 37.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a rubber band (c) a few hours (d) a magnet
- 38.⚖️ 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 kept the same. (a) True (b) False
- 39.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a few hours (c) a clear plastic bag (d) vinegar
- 40.🧺 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) sunlight (d) yeast
Answer key
- a battery cell
- a rubber band
- needed
- the hot sunny day
- needed
- sunlight
- False
- True
- make seeds
- turmeric powder
- the leaves
- we change it
- False
- not needed
- it wilts and droops
- the kind of plant
- False
- much less water
- False
- False
- leaves
- stomata
- tiny water drops
- roots
- we keep it the same
- we measure it
- True
- amount of water drops
- gently, not too tight
- flower
- we keep it the same
- True
- False
- a potted plant
- not needed
- not needed
- a magnet
- True
- vinegar
- yeast
Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids