Capillary Action Flower Experiment Worksheet

Science experiments lesson 4: Colour-changing flower: capillary action · Set 310 · 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: a cotton thread does not let water climb. (a) False (b) True
2. 2.🧺 Do we need a mirror for the coloured flower experiment? (a) needed (b) not needed
3. 3.True or false: a glass marble lets water climb up it. (a) True (b) False
4. 4.🧺 Which of these is needed for the coloured flower experiment? (a) a mirror (b) food colour (c) a magnet (d) turmeric powder
5. 5.True or false: a mirror is not needed for the coloured flower experiment. (a) True (b) False
6. 6.True or false: a flower stem lets water climb up it. (a) False (b) True
7. 7.🛟 What should you do after handling food colour? (a) wipe them on walls (b) wash your hands (c) lick your fingers (d) rub your eyes
8. 8.🔮 What would change if the flower stood in plain water? (a) the petals turn red (b) the flower glows (c) no colour change (d) the stem turns blue
9. 9.⚖️ 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
10. 10.🌼 Why do the petals keep pulling water up the stem? (a) petals lose water to air (b) the stem is hot (c) petals like colour (d) petals are magnetic
11. 11.🔍 Which is the odd one out? (a) a sugar cube (b) a strip of cloth (c) a piece of chalk (d) a glass marble
12. 12.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) a white flower (b) food colour (c) a few hours of waiting (d) turmeric powder
13. 13.⚖️ 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
14. 14.💧 Dip a plastic ruler into coloured water. Does the water climb up it? (a) water does not climb (b) water climbs up it
15. 15.True or false: a few hours of waiting is needed for the coloured flower experiment. (a) False (b) True
16. 16.🧺 Do we need a few hours of waiting for the coloured flower experiment? (a) needed (b) not needed
17. 17.True or false: a battery cell is needed for the coloured flower experiment. (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) a rubber eraser (b) a steel spoon (c) a sugar cube (d) a piece of foil
19. 19.🧺 Do we need a white flower for the coloured flower experiment? (a) needed (b) not needed
20. 20.True or false: a white flower is not needed for the coloured flower experiment. (a) False (b) True
21. 21.🛟 Who should trim the flower stem? (a) a pet (b) a grown-up (c) anyone, without looking (d) a toddler
22. 22.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) a few hours of waiting (b) a glass of water (c) a battery cell (d) a white flower
23. 23.🧺 Which of these is not needed for the coloured flower experiment? (a) a white flower (b) a magnet (c) a glass of water (d) food colour
24. 24.⚖️ 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 length of the stem (c) time for colour to show (d) the amount of colour
25. 25.True or false: a glass of water is needed for the coloured flower experiment. (a) True (b) False
26. 26.🔮 Predict: a stem is split in two, one half in red water and one in blue. What do the petals do? (a) they all turn green (b) they turn two colours (c) they fall off at once (d) they stay white
27. 27.🧺 Do we need yeast for the coloured flower experiment? (a) not needed (b) needed
28. 28.🧺 Which of these is needed for the coloured flower experiment? (a) a magnet (b) a white flower (c) yeast (d) a battery cell
29. 29.⚖️ 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) time for colour to show (b) the amount of colour (c) the room it stands in (d) the length of the stem
30. 30.🧺 Which of these is needed for the coloured flower experiment? (a) a mirror (b) turmeric powder (c) a few hours of waiting (d) a balloon
31. 31.💧 Dip a piece of foil into coloured water. Does the water climb up it? (a) water climbs up it (b) water does not climb
32. 32.💧 Which of these does not let water climb? (a) a sugar cube (b) a rubber eraser (c) a piece of chalk (d) a cotton thread
33. 33.⚖️ 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 the one thing we change. (a) True (b) False
34. 34.💧 Dip a sugar cube into coloured water. Does the water climb up it? (a) water does not climb (b) water climbs up it
35. 35.🧺 Which of these is not needed for the coloured flower experiment? (a) turmeric powder (b) food colour (c) a glass of water (d) a white flower
36. 36.True or false: a paper towel does not let water climb. (a) False (b) True
37. 37.⚖️ 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) time for colour to show (c) the room it stands in
38. 38.🌼 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
39. 39.💧 Dip a flower stem into coloured water. Does the water climb up it? (a) water climbs up it (b) water does not climb
40. 40.💧 Dip a piece of chalk into coloured water. Does the water climb up it? (a) water does not climb (b) water climbs up it

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