Capillary Action Flower Experiment Worksheet

Science experiments lesson 4: Colour-changing flower: capillary action · Set 989 · 40 questions

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.

1. 1.True or false: food colour is needed for the coloured flower experiment. (a) True (b) False
2. 2.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? True or false: the kind of flower is what we measure. (a) True (b) False
3. 3.True or false: a mirror is needed for the coloured flower experiment. (a) True (b) False
4. 4.True or false: a paper towel does not let water climb. (a) True (b) False
5. 5.⚖️ 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 length of the stem (b) the kind of flower (c) time for colour to show (d) the amount of water
6. 6.True or false: a few hours of waiting is not needed for the coloured flower experiment. (a) False (b) True
7. 7.True or false: a white flower is needed for the coloured flower experiment. (a) True (b) False
8. 8.🧺 Do we need a glass of water for the coloured flower experiment? (a) needed (b) not needed
9. 9.🧺 Which of these is not needed for the coloured flower experiment? (a) a glass of water (b) a white flower (c) a battery cell (d) a few hours of waiting
10. 10.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) food colour (b) a balloon (c) a few hours of waiting (d) a white flower
11. 11.🧺 Which of these is needed for the coloured flower experiment? (a) yeast (b) a white flower (c) turmeric powder (d) a battery cell
12. 12.⚖️ 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) False (b) True
13. 13.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) yeast (b) a few hours of waiting (c) a glass of water (d) a white flower
14. 14.🔍 Which is the odd one out? (a) a paper towel (b) a cotton thread (c) a rubber eraser (d) a piece of chalk
15. 15.🧺 Do we need a balloon for the coloured flower experiment? (a) not needed (b) needed
16. 16.🧺 Which of these is not needed for the coloured flower experiment? (a) a glass of water (b) a white flower (c) yeast (d) a few hours of waiting
17. 17.True or false: turmeric powder is not needed for the coloured flower experiment. (a) True (b) False
18. 18.🛟 What should you do after handling food colour? (a) wipe them on walls (b) wash your hands (c) rub your eyes (d) lick your fingers
19. 19.True or false: food colour is not needed for the coloured flower experiment. (a) True (b) False
20. 20.💧 Which of these lets water climb up it? (a) a rubber eraser (b) a paper towel (c) a piece of foil (d) a steel spoon
21. 21.💧 Dip a rubber eraser into coloured water. Does the water climb up it? (a) water climbs up it (b) water does not climb
22. 22.🔍 Which is the odd one out? (a) a cotton thread (b) a piece of chalk (c) a paper towel (d) a plastic ruler
23. 23.🌼 How does coloured water reach the petals? (a) it rains on them (b) through tiny stem tubes (c) it is sprayed on (d) through the air
24. 24.⚖️ 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 amount of water (b) the amount of colour (c) the length of the stem (d) the room it stands in
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.💧 Dip a cotton thread into coloured water. Does the water climb up it? (a) water climbs up it (b) water does not climb
27. 27.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) a glass of water (b) a few hours of waiting (c) food colour (d) a magnet
28. 28.🧺 Do we need food colour for the coloured flower experiment? (a) needed (b) not needed
29. 29.🧺 Which of these is not needed for the coloured flower experiment? (a) food colour (b) a white flower (c) a magnet (d) a few hours of waiting
30. 30.💧 Which of these lets water climb up it? (a) a piece of foil (b) a sugar cube (c) a glass marble (d) a steel spoon
31. 31.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? True or false: the amount of water is the one thing we change. (a) False (b) True
32. 32.🧺 Do we need turmeric powder for the coloured flower experiment? (a) needed (b) not needed
33. 33.True or false: a mirror is not needed for the coloured flower experiment. (a) True (b) False
34. 34.🧺 Which of these is not needed for the coloured flower experiment? (a) a few hours of waiting (b) food colour (c) a glass of water (d) a balloon
35. 35.🧺 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) a glass of water
36. 36.🔍 Which is the odd one out? (a) a glass marble (b) a rubber eraser (c) a steel spoon (d) a strip of cloth
37. 37.⚖️ 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 what we measure. (a) False (b) True
38. 38.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) a few hours of waiting (b) a white flower (c) food colour (d) a battery cell
39. 39.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? True or false: the room it stands in is kept the same. (a) False (b) True
40. 40.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? Which of these is kept the same? (a) time for colour to show (b) the amount of water (c) the length of the stem

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