← Colour-changing flower: capillary action lesson New set →

Capillary Action Flower Experiment Worksheet

Science experiments lesson 4: Colour-changing flower: capillary action · Set 53 · 40 questions
TalentJR

What you do (Water climbs thin tubes): 1. Mix food colour into a glass of water. 2. An adult trims the flower stem and stands it in the coloured water. 3. Check the petals every few hours and draw what you see. 4. Wash your hands after handling food colour.

NameDateTime takenScore ___ / 40
  1. 1.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? What do we do with “the length of the stem”? (a) we change it (b) we measure it (c) we keep it the same
  2. 2.🛟 What should you do after handling food colour? (a) wipe them on walls (b) lick your fingers (c) rub your eyes (d) wash your hands
  3. 3.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? True or false: the kind of flower is kept the same. (a) True (b) False
  4. 4.🔍 Which is the odd one out? (a) a piece of foil (b) a rubber eraser (c) a steel spoon (d) a cotton thread
  5. 5.True or false: a glass of water is needed for the coloured flower experiment. (a) True (b) False
  6. 6.💧 Dip a piece of chalk into coloured water. Does the water climb up it? (a) water climbs up it (b) water does not climb
  7. 7.💧 Which of these lets water climb up it? (a) a sugar cube (b) a steel spoon (c) a piece of foil (d) a rubber eraser
  8. 8.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? True or false: the amount of colour is the one thing we change. (a) True (b) False
  9. 9.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? Which of these is the one thing we change? (a) the length of the stem (b) the kind of flower (c) the amount of colour (d) the amount of water
  10. 10.📘 What is it called when water climbs up thin tubes or paper by itself? (a) magnetism (b) evaporation (c) melting (d) capillary action
  11. 11.🧺 Which of these is needed for the coloured flower experiment? (a) yeast (b) a magnet (c) a glass of water (d) a balloon
  12. 12.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? Which of these is kept the same? (a) the length of the stem (b) the kind of flower (c) time for colour to show
  13. 13.🧺 Do we need food colour for the coloured flower experiment? (a) needed (b) not needed
  14. 14.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) food colour (b) a white flower (c) a balloon (d) a glass of water
  15. 15.🌼 Why do the petals keep pulling water up the stem? (a) the stem is hot (b) petals are magnetic (c) petals lose water to air (d) petals like colour
  16. 16.💧 Dip a rubber eraser into coloured water. Does the water climb up it? (a) water does not climb (b) water climbs up it
  17. 17.🧺 Which of these is needed for the coloured flower experiment? (a) a mirror (b) food colour (c) turmeric powder (d) a magnet
  18. 18.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? Which of these is what we measure? (a) the amount of water (b) the room it stands in (c) the amount of colour (d) time for colour to show
  19. 19.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? True or false: the length of the stem is the one thing we change. (a) True (b) False
  20. 20.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? What do we do with “the amount of water”? (a) we keep it the same (b) we measure it (c) we change it
  21. 21.🧺 Which of these is not needed for the coloured flower experiment? (a) a few hours of waiting (b) turmeric powder (c) food colour (d) a glass of water
  22. 22.🌼 How does coloured water reach the petals? (a) through tiny stem tubes (b) it rains on them (c) through the air (d) it is sprayed on
  23. 23.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? True or false: time for colour to show is kept the same. (a) True (b) False
  24. 24.🔍 Which is the odd one out? (a) a paper towel (b) a glass marble (c) a piece of foil (d) a rubber eraser
  25. 25.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? True or false: time for colour to show is what we measure. (a) False (b) True
  26. 26.🧺 Which of these is needed for the coloured flower experiment? (a) turmeric powder (b) a battery cell (c) a magnet (d) a white flower
  27. 27.🛟 Who should trim the flower stem? (a) a grown-up (b) anyone, without looking (c) a toddler (d) a pet
  28. 28.🧺 Do we need a balloon for the coloured flower experiment? (a) not needed (b) needed
  29. 29.🧺 Do we need a glass of water for the coloured flower experiment? (a) not needed (b) needed
  30. 30.💧 Dip a strip of cloth into coloured water. Does the water climb up it? (a) water does not climb (b) water climbs up it
  31. 31.💧 Which of these lets water climb up it? (a) a rubber eraser (b) a glass marble (c) a plastic ruler (d) a piece of chalk
  32. 32.🧺 Do we need yeast for the coloured flower experiment? (a) needed (b) not needed
  33. 33.🧺 Which of these is not needed for the coloured flower experiment? (a) a magnet (b) a white flower (c) food colour (d) a glass of water
  34. 34.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) a white flower (b) a few hours of waiting (c) turmeric powder (d) food colour
  35. 35.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? What do we do with “the kind of flower”? (a) we measure it (b) we change it (c) we keep it the same
  36. 36.True or false: a mirror is not needed for the coloured flower experiment. (a) True (b) False
  37. 37.🧺 Do we need turmeric powder for the coloured flower experiment? (a) needed (b) not needed
  38. 38.True or false: a white flower is needed for the coloured flower experiment. (a) True (b) False
  39. 39.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? What do we do with “the room it stands in”? (a) we keep it the same (b) we measure it (c) we change it
  40. 40.🧺 Which of these is not needed for the coloured flower experiment? (a) a balloon (b) a glass of water (c) a few hours of waiting (d) a white flower

Answer key

  1. we change it
  2. wash your hands
  3. True
  4. a cotton thread
  5. True
  6. water climbs up it
  7. a sugar cube
  8. False
  9. the length of the stem
  10. capillary action
  11. a glass of water
  12. the kind of flower
  13. needed
  14. a balloon
  15. petals lose water to air
  16. water does not climb
  17. food colour
  18. time for colour to show
  19. True
  20. we keep it the same
  21. turmeric powder
  22. through tiny stem tubes
  23. False
  24. a paper towel
  25. True
  26. a white flower
  27. a grown-up
  28. not needed
  29. needed
  30. water climbs up it
  31. a piece of chalk
  32. not needed
  33. a magnet
  34. turmeric powder
  35. we keep it the same
  36. True
  37. not needed
  38. True
  39. we keep it the same
  40. a balloon

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids