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.True or false: a mirror is not needed for the leafy bag test. (a) False (b) True
- 2.True or false: a magnet is needed for the leafy bag test. (a) False (b) True
- 3.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
- 4.True or false: take in water from soil is a job of the roots. (a) True (b) False
- 5.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
- 6.🧺 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) a battery cell (d) a potted plant
- 7.True or false: a few hours is needed for the leafy bag test. (a) True (b) False
- 8.True or false: a potted plant is needed for the leafy bag test. (a) False (b) True
- 9.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) neither of them (b) the cool cloudy day (c) both the same (d) the hot sunny day
- 10.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much more water (b) much less water (c) it fills with soil (d) exactly the same
- 11.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) vinegar (b) sunlight (c) a potted plant (d) a few hours
- 12.True or false: a rubber band is not needed for the leafy bag test. (a) False (b) True
- 13.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) gently, not too tight (c) with a hot glue gun (d) with sharp wire
- 14.⚖️ 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 change it (c) we keep it the same
- 15.True or false: carry water upward is a job of the leaves. (a) True (b) False
- 16.🪴 Which part of a plant does this job: hold the plant in soil? (a) flower (b) stem (c) roots (d) leaves
- 17.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
- 18.🪴 Where did the water inside the bag come from? (a) the plastic (b) the rubber band (c) the rain (d) the leaves
- 19.⚖️ 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 size of the plant (c) amount of water drops
- 20.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) transpiration (c) germination (d) reflection
- 21.🪴 Which of these is a job of the flower? (a) give out water vapour (b) make food in sunlight (c) make seeds (d) carry water upward
- 22.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) stomata (b) petals (c) veins (d) roots
- 23.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) turmeric powder (c) yeast (d) a potted plant
- 24.⚖️ 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
- 25.True or false: vinegar is not needed for the leafy bag test. (a) True (b) False
- 26.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a mirror (b) a clear plastic bag (c) a potted plant (d) a rubber band
- 27.True or false: make seeds is a job of the flower. (a) False (b) True
- 28.🪴 Which part of a plant does this job: hold up the leaves? (a) flower (b) leaves (c) roots (d) stem
- 29.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) a magnet (c) a few hours (d) vinegar
- 30.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
- 31.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
- 32.True or false: take in water from soil is a job of the stem. (a) False (b) True
- 33.🧺 Do we need a mirror for the leafy bag test? (a) needed (b) not needed
- 34.⚖️ 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
- 35.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a few hours (c) a mirror (d) a clear plastic bag
- 36.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it wilts and droops (c) it turns blue (d) it grows faster
- 37.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) sunlight (c) a rubber band (d) yeast
- 38.True or false: give out water vapour is a job of the flower. (a) True (b) False
- 39.True or false: a few hours is not needed for the leafy bag test. (a) False (b) True
- 40.🪴 Which of these is a job of the leaves? (a) hold the plant in soil (b) make food in sunlight (c) take in water from soil (d) carry water upward
Answer key
- True
- False
- not needed
- True
- not needed
- a battery cell
- True
- True
- the hot sunny day
- much less water
- vinegar
- False
- gently, not too tight
- we keep it the same
- False
- roots
- needed
- the leaves
- the size of the plant
- transpiration
- make seeds
- stomata
- a potted plant
- we keep it the same
- True
- a mirror
- True
- stem
- a few hours
- needed
- needed
- False
- not needed
- we measure it
- a mirror
- it wilts and droops
- yeast
- False
- False
- make food in sunlight
Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids