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