Capillary Action Flower Experiment Worksheet

Science experiments lesson 4: Colour-changing flower: capillary action · Set 232 · 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.💧 Dip a cotton thread into coloured water. Does the water climb up it? (a) water does not climb (b) water climbs up it
2. 2.💧 Dip a piece of foil into coloured water. Does the water climb up it? (a) water climbs up it (b) water does not climb
3. 3.🧺 Which of these is needed for the coloured flower experiment? (a) a battery cell (b) turmeric powder (c) a white flower (d) a mirror
4. 4.🧺 Do we need a battery cell for the coloured flower experiment? (a) not needed (b) needed
5. 5.🔮 Predict: a strip of paper towel dips into coloured water. What happens? (a) it sinks at once (b) it turns to plastic (c) colour climbs up it (d) nothing ever happens
6. 6.True or false: a glass marble does not let water climb. (a) False (b) True
7. 7.🛟 Who should trim the flower stem? (a) a grown-up (b) a pet (c) anyone, without looking (d) a toddler
8. 8.🔍 Which is the odd one out? (a) a glass marble (b) a steel spoon (c) a rubber eraser (d) a paper towel
9. 9.💧 Which of these does not let water climb? (a) a plastic ruler (b) a paper towel (c) a piece of chalk (d) a strip of cloth
10. 10.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) a white flower (b) a glass of water (c) turmeric powder (d) food colour
11. 11.True or false: food colour is needed for the coloured flower experiment. (a) False (b) True
12. 12.🔍 Which is the odd one out? (a) a rubber eraser (b) a strip of cloth (c) a sugar cube (d) a piece of chalk
13. 13.🧺 Which of these is needed for the coloured flower experiment? (a) yeast (b) a glass of water (c) a balloon (d) a magnet
14. 14.💧 Which of these does not let water climb? (a) a rubber eraser (b) a piece of chalk (c) a flower stem (d) a strip of cloth
15. 15.🛟 What should you do after handling food colour? (a) wash your hands (b) rub your eyes (c) lick your fingers (d) wipe them on walls
16. 16.💧 Dip a strip of cloth into coloured water. Does the water climb up it? (a) water climbs up it (b) water does not climb
17. 17.🔍 Which is the odd one out? (a) a cotton thread (b) a piece of chalk (c) a glass marble (d) a sugar cube
18. 18.🔍 Which is the odd one out? (a) a rubber eraser (b) a plastic ruler (c) a strip of cloth (d) a steel spoon
19. 19.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? True or false: the amount of water is kept the same. (a) False (b) True
20. 20.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) a white flower (b) a balloon (c) food colour (d) a few hours of waiting
21. 21.🧺 Do we need a balloon for the coloured flower experiment? (a) needed (b) not needed
22. 22.🔍 Which is the odd one out? (a) a glass marble (b) a piece of chalk (c) a piece of foil (d) a plastic ruler
23. 23.🔍 What do you see a day after a white flower stands in blue water? (a) the stem turns to ice (b) the water turns green (c) the petals turn bluish (d) the flower floats away
24. 24.⚖️ 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
25. 25.⚖️ 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) time for colour to show (c) the room it stands in (d) the kind of flower
26. 26.💧 Which of these lets water climb up it? (a) a steel spoon (b) a plastic ruler (c) a flower stem (d) a piece of foil
27. 27.🔮 Predict: a stem is split in two, one half in red water and one in blue. What do the petals do? (a) they stay white (b) they fall off at once (c) they all turn green (d) they turn two colours
28. 28.⚖️ 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 length of the stem (c) the kind of flower
29. 29.True or false: a steel spoon does not let water climb. (a) True (b) False
30. 30.🧺 Do we need yeast for the coloured flower experiment? (a) needed (b) not needed
31. 31.🧺 Do we need turmeric powder for the coloured flower experiment? (a) needed (b) not needed
32. 32.🔮 What would change if the flower stood in plain water? (a) the flower glows (b) no colour change (c) the stem turns blue (d) the petals turn red
33. 33.True or false: a magnet is not needed for the coloured flower experiment. (a) False (b) True
34. 34.🧺 Do we need a glass of water for the coloured flower experiment? (a) needed (b) not needed
35. 35.True or false: a cotton thread does not let water climb. (a) True (b) False
36. 36.💧 Dip a glass marble into coloured water. Does the water climb up it? (a) water does not climb (b) water climbs up it
37. 37.💧 Which of these does not let water climb? (a) a sugar cube (b) a glass marble (c) a cotton thread (d) a flower stem
38. 38.🔍 Which is the odd one out? (a) a steel spoon (b) a cotton thread (c) a piece of chalk (d) a flower stem
39. 39.🧺 Do we need a magnet for the coloured flower experiment? (a) not needed (b) needed
40. 40.True or false: yeast is needed for the coloured flower experiment. (a) False (b) True

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