Capillary Action Flower Experiment Worksheet

Science experiments lesson 4: Colour-changing flower: capillary action · Set 853 · 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.🔍 Which is the odd one out? (a) a paper towel (b) a cotton thread (c) a rubber eraser (d) a strip of cloth
2. 2.⚖️ 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 amount of colour (d) the room it stands in
3. 3.🧺 Do we need turmeric powder for the coloured flower experiment? (a) needed (b) not needed
4. 4.💧 Dip a sugar cube into coloured water. Does the water climb up it? (a) water climbs up it (b) water does not climb
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 amount of colour (c) the kind of flower (d) time for colour to show
6. 6.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) turmeric powder (b) food colour (c) a glass of water (d) a few hours of waiting
7. 7.🧺 Do we need food colour for the coloured flower experiment? (a) needed (b) not needed
8. 8.💧 Dip a piece of foil into coloured water. Does the water climb up it? (a) water does not climb (b) water climbs up it
9. 9.🔍 Which is the odd one out? (a) a steel spoon (b) a piece of chalk (c) a flower stem (d) a paper towel
10. 10.🧺 Do we need a balloon for the coloured flower experiment? (a) needed (b) not needed
11. 11.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) yeast (b) a white flower (c) a few hours of waiting (d) food colour
12. 12.🧺 Which of these is not needed for the coloured flower experiment? (a) food colour (b) a few hours of waiting (c) a glass of water (d) a magnet
13. 13.🔍 Which is the odd one out? (a) a sugar cube (b) a glass marble (c) a rubber eraser (d) a piece of foil
14. 14.True or false: a sugar cube lets water climb up it. (a) False (b) True
15. 15.⚖️ 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 measure it (b) we keep it the same (c) we change it
16. 16.💧 Which of these lets water climb up it? (a) a sugar cube (b) a glass marble (c) a piece of foil (d) a rubber eraser
17. 17.🔍 Which is the odd one out? (a) a paper towel (b) a plastic ruler (c) a steel spoon (d) a piece of foil
18. 18.🧺 Do we need yeast for the coloured flower experiment? (a) not needed (b) needed
19. 19.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? What do we do with “the amount of colour”? (a) we measure it (b) we change it (c) we keep it the same
20. 20.💧 Which of these does not let water climb? (a) a strip of cloth (b) a sugar cube (c) a cotton thread (d) a plastic ruler
21. 21.🧺 Do we need a white flower for the coloured flower experiment? (a) not needed (b) needed
22. 22.🔮 Predict: a strip of paper towel dips into coloured water. What happens? (a) it turns to plastic (b) nothing ever happens (c) it sinks at once (d) colour climbs up it
23. 23.True or false: a piece of foil does not let water climb. (a) False (b) True
24. 24.🛟 What should you do after handling food colour? (a) lick your fingers (b) wash your hands (c) wipe them on walls (d) rub your eyes
25. 25.True or false: a paper towel lets water climb up it. (a) True (b) False
26. 26.🔍 What do you see a day after a white flower stands in blue water? (a) the flower floats away (b) the stem turns to ice (c) the petals turn bluish (d) the water turns green
27. 27.⚖️ 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
28. 28.🧺 Which of these is needed for the coloured flower experiment? (a) a mirror (b) yeast (c) food colour (d) a battery cell
29. 29.🧺 Which of these is needed for the coloured flower experiment? (a) a battery cell (b) a magnet (c) a white flower (d) turmeric powder
30. 30.🧺 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) a balloon (d) a glass of water
31. 31.💧 Dip a steel spoon into coloured water. Does the water climb up it? (a) water does not climb (b) water climbs up it
32. 32.💧 Dip a cotton thread into coloured water. Does the water climb up it? (a) water does not climb (b) water climbs up it
33. 33.🌼 How does coloured water reach the petals? (a) it rains on them (b) it is sprayed on (c) through tiny stem tubes (d) through the air
34. 34.True or false: turmeric powder is not needed for the coloured flower experiment. (a) False (b) True
35. 35.⚖️ 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
36. 36.💧 Which of these does not let water climb? (a) a paper towel (b) a piece of foil (c) a cotton thread (d) a sugar cube
37. 37.🧺 Which of these is not needed for the coloured flower experiment? (a) a white flower (b) a balloon (c) food colour (d) a glass of water
38. 38.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) a glass of water (b) a white flower (c) a few hours of waiting (d) a battery cell
39. 39.🧺 Which of these is not needed for the coloured flower experiment? (a) a few hours of waiting (b) turmeric powder (c) a glass of water (d) a white flower
40. 40.⚖️ 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 what we measure. (a) True (b) False

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