Capillary Action Flower Experiment Worksheet

Science experiments lesson 4: Colour-changing flower: capillary action · Set 783 · 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 magnet is not needed for the coloured flower experiment. (a) True (b) False
2. 2.🧺 Do we need a mirror for the coloured flower experiment? (a) not needed (b) needed
3. 3.True or false: a few hours of waiting is not needed for the coloured flower experiment. (a) False (b) True
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.🧺 Do we need yeast for the coloured flower experiment? (a) needed (b) not needed
6. 6.💧 Which of these lets water climb up it? (a) a strip of cloth (b) a rubber eraser (c) a steel spoon (d) a glass marble
7. 7.🧺 Which of these is needed for the coloured flower experiment? (a) turmeric powder (b) a few hours of waiting (c) a battery cell (d) a balloon
8. 8.🧺 Which of these is needed for the coloured flower experiment? (a) a white flower (b) a mirror (c) yeast (d) a magnet
9. 9.💧 Dip a flower stem into coloured water. Does the water climb up it? (a) water climbs up it (b) water does not climb
10. 10.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? True or false: the amount of water is what we measure. (a) True (b) False
11. 11.📘 What is it called when water climbs up thin tubes or paper by itself? (a) capillary action (b) magnetism (c) melting (d) evaporation
12. 12.💧 Which of these does not let water climb? (a) a steel spoon (b) a sugar cube (c) a flower stem (d) a paper towel
13. 13.🧺 Do we need food colour for the coloured flower experiment? (a) needed (b) not needed
14. 14.🧺 Do we need a glass of water for the coloured flower experiment? (a) needed (b) not needed
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.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) a few hours of waiting (b) food colour (c) a battery cell (d) a glass of water
17. 17.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) a glass of water (b) a mirror (c) food colour (d) a white flower
18. 18.True or false: a paper towel does not let water climb. (a) True (b) False
19. 19.🧺 Which of these is not needed for the coloured flower experiment? (a) a glass of water (b) food colour (c) a few hours of waiting (d) a mirror
20. 20.🔍 Which is the odd one out? (a) a piece of chalk (b) a cotton thread (c) a sugar cube (d) a glass marble
21. 21.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) a few hours of waiting (b) a magnet (c) a white flower (d) a glass of water
22. 22.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) food colour (b) a white flower (c) a few hours of waiting (d) turmeric powder
23. 23.💧 Which of these does not let water climb? (a) a sugar cube (b) a paper towel (c) a piece of foil (d) a flower stem
24. 24.⚖️ 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
25. 25.True or false: a piece of foil does not let water climb. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) a piece of foil (b) a glass marble (c) a steel spoon (d) a cotton thread
27. 27.⚖️ 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 kind of flower (d) the length of the stem
28. 28.🔮 Predict: a strip of paper towel dips into coloured water. What happens? (a) it turns to plastic (b) colour climbs up it (c) nothing ever happens (d) it sinks at once
29. 29.🌼 Why do the petals keep pulling water up the stem? (a) petals like colour (b) petals lose water to air (c) the stem is hot (d) petals are magnetic
30. 30.True or false: food colour is not needed for the coloured flower experiment. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) a paper towel (b) a steel spoon (c) a rubber eraser (d) a plastic ruler
32. 32.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? What do we do with “the room it stands in”? (a) we measure it (b) we keep it the same (c) we change it
33. 33.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? What do we do with “the kind of flower”? (a) we measure it (b) we keep it the same (c) we change it
34. 34.True or false: a mirror is not needed for the coloured flower experiment. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) a sugar cube (b) a plastic ruler (c) a flower stem (d) a piece of chalk
36. 36.🧺 Do we need turmeric powder for the coloured flower experiment? (a) needed (b) not needed
37. 37.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) a balloon (b) a glass of water (c) a white flower (d) food colour
38. 38.⚖️ 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) True (b) False
39. 39.⚖️ 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 kind of flower (b) the room it stands in (c) the length of the stem (d) time for colour to show
40. 40.⚖️ 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 change it (b) we keep it the same (c) we measure it

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