Capillary Action Flower Experiment Worksheet

Science experiments lesson 4: Colour-changing flower: capillary action · Set 58 · 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.🛟 What should you do after handling food colour? (a) wipe them on walls (b) wash your hands (c) rub your eyes (d) lick your fingers
2. 2.🧺 Which of these is not needed for the coloured flower experiment? (a) turmeric powder (b) a white flower (c) food colour (d) a glass of water
3. 3.⚖️ 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 measure it (b) we change it (c) we keep it the same
4. 4.🧺 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 few hours of waiting (d) a battery cell
5. 5.🔍 Which is the odd one out? (a) a cotton thread (b) a glass marble (c) a flower stem (d) a strip of cloth
6. 6.🧺 Which of these is needed for the coloured flower experiment? (a) a mirror (b) a balloon (c) food colour (d) yeast
7. 7.True or false: food colour is needed for the coloured flower experiment. (a) False (b) True
8. 8.💧 Which of these lets water climb up it? (a) a steel spoon (b) a plastic ruler (c) a cotton thread (d) a piece of foil
9. 9.🧺 Which of these is not needed for the coloured flower experiment? (a) a glass of water (b) a white flower (c) a few hours of waiting (d) yeast
10. 10.🧺 Do we need a white flower for the coloured flower experiment? (a) needed (b) not needed
11. 11.🧺 Which of these is not needed for the coloured flower experiment? (a) a white flower (b) a few hours of waiting (c) a battery cell (d) a glass of water
12. 12.⚖️ 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 keep it the same (b) we change it (c) we measure it
13. 13.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) a white flower (b) food colour (c) a balloon (d) a glass of water
14. 14.True or false: a mirror is needed for the coloured flower experiment. (a) True (b) False
15. 15.True or false: a paper towel lets water climb up it. (a) True (b) False
16. 16.True or false: a glass marble does not let water climb. (a) True (b) False
17. 17.💧 Which of these does not let water climb? (a) a steel spoon (b) a strip of cloth (c) a cotton thread (d) a paper towel
18. 18.⚖️ 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
19. 19.💧 Dip a plastic ruler into coloured water. Does the water climb up it? (a) water climbs up it (b) water does not climb
20. 20.🔮 Predict: a strip of paper towel dips into coloured water. What happens? (a) colour climbs up it (b) it turns to plastic (c) nothing ever happens (d) it sinks at once
21. 21.🔍 Which is the odd one out? (a) a piece of chalk (b) a plastic ruler (c) a glass marble (d) a piece of foil
22. 22.💧 Which of these lets water climb up it? (a) a steel spoon (b) a paper towel (c) a rubber eraser (d) a glass marble
23. 23.🧺 Which of these is needed for the coloured flower experiment? (a) a balloon (b) a mirror (c) a few hours of waiting (d) turmeric powder
24. 24.True or false: a steel spoon lets water climb up it. (a) True (b) False
25. 25.🧺 Which of these is needed for the coloured flower experiment? (a) turmeric powder (b) a mirror (c) a battery cell (d) a white flower
26. 26.🧺 Do we need a few hours of waiting for the coloured flower experiment? (a) needed (b) not needed
27. 27.🧺 Do we need a magnet for the coloured flower experiment? (a) not needed (b) needed
28. 28.💧 Dip a paper towel into coloured water. Does the water climb up it? (a) water climbs up it (b) water does not climb
29. 29.🛟 Who should trim the flower stem? (a) anyone, without looking (b) a pet (c) a grown-up (d) a toddler
30. 30.🧺 Which of these is needed for the coloured flower experiment? (a) a battery cell (b) a balloon (c) yeast (d) a glass of water
31. 31.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) a glass of water (b) food colour (c) yeast (d) a few hours of waiting
32. 32.💧 Dip a strip of cloth into coloured water. Does the water climb up it? (a) water climbs up it (b) water does not climb
33. 33.🔮 What would change if the flower stood in plain water? (a) the petals turn red (b) the stem turns blue (c) no colour change (d) the flower glows
34. 34.True or false: a flower stem does not let water climb. (a) False (b) True
35. 35.💧 Which of these lets water climb up it? (a) a piece of foil (b) a rubber eraser (c) a piece of chalk (d) a plastic ruler
36. 36.🧺 Do we need food colour for the coloured flower experiment? (a) needed (b) not needed
37. 37.True or false: a glass of water is needed for the coloured flower experiment. (a) True (b) False
38. 38.🧺 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
39. 39.⚖️ 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 amount of water
40. 40.🔍 What do you see a day after a white flower stands in blue water? (a) the water turns green (b) the flower floats away (c) the stem turns to ice (d) the petals turn bluish

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids