Capillary Action Flower Experiment Worksheet

Science experiments lesson 4: Colour-changing flower: capillary action · Set 858 · 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 of these does not let water climb? (a) a paper towel (b) a glass marble (c) a flower stem (d) a strip of cloth
2. 2.True or false: a few hours of waiting is needed for the coloured flower experiment. (a) False (b) True
3. 3.🧺 Which of these is needed for the coloured flower experiment? (a) a magnet (b) a mirror (c) a few hours of waiting (d) yeast
4. 4.🧺 Do we need a glass of water for the coloured flower experiment? (a) not needed (b) needed
5. 5.🧺 Which of these is needed for the coloured flower experiment? (a) a white flower (b) yeast (c) a mirror (d) a balloon
6. 6.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) a battery cell (b) a white flower (c) a few hours of waiting (d) food colour
7. 7.🔍 Which is the odd one out? (a) a glass marble (b) a flower stem (c) a rubber eraser (d) a plastic ruler
8. 8.💧 Which of these does not let water climb? (a) a rubber eraser (b) a piece of chalk (c) a sugar cube (d) a paper towel
9. 9.🧺 Which of these is needed for the coloured flower experiment? (a) a magnet (b) yeast (c) a balloon (d) a glass of water
10. 10.💧 Dip a paper towel into coloured water. Does the water climb up it? (a) water does not climb (b) water climbs up it
11. 11.🔍 Which is the odd one out? (a) a flower stem (b) a strip of cloth (c) a plastic ruler (d) a paper towel
12. 12.🧺 Which of these is needed for the coloured flower experiment? (a) a magnet (b) food colour (c) a balloon (d) a mirror
13. 13.💧 Which of these lets water climb up it? (a) a steel spoon (b) a plastic ruler (c) a rubber eraser (d) a flower stem
14. 14.🧺 Which of these is not needed for the coloured flower experiment? (a) a glass of water (b) a few hours of waiting (c) food colour (d) a magnet
15. 15.🔮 What would change if the flower stood in plain water? (a) the flower glows (b) no colour change (c) the petals turn red (d) the stem turns blue
16. 16.💧 Which of these lets water climb up it? (a) a rubber eraser (b) a strip of cloth (c) a glass marble (d) a piece of foil
17. 17.True or false: a glass marble lets water climb up it. (a) True (b) False
18. 18.📘 What is it called when water climbs up thin tubes or paper by itself? (a) melting (b) magnetism (c) evaporation (d) capillary action
19. 19.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? What do we do with “time for colour to show”? (a) we change it (b) we measure it (c) we keep it the same
20. 20.🛟 Who should trim the flower stem? (a) a grown-up (b) a toddler (c) anyone, without looking (d) a pet
21. 21.True or false: a mirror is needed for the coloured flower experiment. (a) False (b) True
22. 22.⚖️ 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
23. 23.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) a glass of water (b) food colour (c) a balloon (d) a few hours of waiting
24. 24.True or false: a paper towel does not let water climb. (a) True (b) False
25. 25.True or false: a glass of water is needed for the coloured flower experiment. (a) True (b) False
26. 26.True or false: a steel spoon does not let water climb. (a) False (b) True
27. 27.💧 Which of these lets water climb up it? (a) a plastic ruler (b) a steel spoon (c) a glass marble (d) a paper towel
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) the amount of colour (b) the length of the stem (c) time for colour to show
29. 29.🧺 Do we need yeast for the coloured flower experiment? (a) not needed (b) needed
30. 30.🧺 Which of these is not needed for the coloured flower experiment? (a) a few hours of waiting (b) a white flower (c) a mirror (d) food colour
31. 31.💧 Dip a glass marble into coloured water. Does the water climb up it? (a) water climbs up it (b) water does not climb
32. 32.⚖️ 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 the one thing we change. (a) False (b) True
33. 33.True or false: a piece of chalk does not let water climb. (a) True (b) False
34. 34.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) a glass of water (b) food colour (c) a white flower (d) turmeric powder
35. 35.🧺 Do we need a mirror for the coloured flower experiment? (a) not needed (b) needed
36. 36.💧 Dip a rubber eraser into coloured water. Does the water climb up it? (a) water does not climb (b) water climbs up it
37. 37.True or false: a sugar cube does not let water climb. (a) True (b) False
38. 38.🔍 Which is the odd one out? (a) a rubber eraser (b) a steel spoon (c) a paper towel (d) a plastic ruler
39. 39.⚖️ 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 keep it the same (b) we change it (c) we measure it
40. 40.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? Which of these is what we measure? (a) time for colour to show (b) the room it stands in (c) the kind of flower (d) the amount of water

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