Rainbow Science Experiment Worksheet

Science experiments lesson 5: Make a rainbow with water and sunlight · Set 817 · 40 questions

What you do (Bend and split): 1. Fill a clear glass with water and set it on a steady, sunny windowsill. 2. Put white paper on the floor where the sunlight passes through the glass. 3. Move the paper or glass slowly until a rainbow appears. 4. Never look straight at the Sun.

1. 1.🔮 Predict: you spray fine water drops with the Sun behind you. What may you see? (a) snow falling (b) a magnet (c) a shadow of ice (d) a small rainbow
2. 2.🌈 In VIBGYOR, what number colour is yellow?
3. 3.True or false: a mirror is needed for the water rainbow. (a) False (b) True
4. 4.🧺 Which of these is needed for the water rainbow? (a) bright sunlight (b) a balloon (c) a battery cell (d) turmeric powder
5. 5.🧺 Do we need a clear glass of water for the water rainbow? (a) needed (b) not needed
6. 6.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? Which of these is what we measure? (a) the same glass (b) the same white paper (c) the amount of water (d) brightness of rainbow
7. 7.🛟 Which rule keeps you safe when working with sunlight? (a) stare at the Sun (b) look at it in a mirror (c) never look at the Sun (d) look at it through glass
8. 8.True or false: a sheet of white paper is not needed for the water rainbow. (a) False (b) True
9. 9.🔮 What happens if a cloud covers the Sun during the rainbow experiment? (a) it turns brighter (b) it turns all red (c) it floats away (d) the rainbow fades
10. 10.🌈 In VIBGYOR, what number colour is violet?
11. 11.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a magnet (b) bright sunlight (c) a clear glass of water (d) a sunny window
12. 12.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? What do we do with “brightness of rainbow”? (a) we keep it the same (b) we measure it (c) we change it
13. 13.🌈 In a rainbow in the sky, which colour is on the outside (top) edge? (a) blue (b) green (c) violet (d) red
14. 14.True or false: a sheet of white paper is needed for the water rainbow. (a) False (b) True
15. 15.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? True or false: the same glass is the one thing we change. (a) False (b) True
16. 16.True or false: a magnet is not needed for the water rainbow. (a) True (b) False
17. 17.🌈 How many colours do we name in a rainbow (VIBGYOR)?
18. 18.🌈 Why does sunlight make a rainbow through a glass of water? (a) the glass is painted (b) water splits the light (c) the water is coloured (d) the paper makes colours
19. 19.🧺 Which of these is not needed for the water rainbow? (a) bright sunlight (b) a sunny window (c) yeast (d) a clear glass of water
20. 20.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? True or false: the amount of water is the one thing we change. (a) False (b) True
21. 21.🧺 Which of these is not needed for the water rainbow? (a) a clear glass of water (b) a magnet (c) bright sunlight (d) a sunny window
22. 22.🌈 In a rainbow in the sky, which colour is on the inside (bottom) edge? (a) orange (b) yellow (c) red (d) violet
23. 23.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? What do we do with “the same white paper”? (a) we keep it the same (b) we measure it (c) we change it
24. 24.True or false: a sunny window is not needed for the water rainbow. (a) True (b) False
25. 25.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? True or false: the same window is kept the same. (a) True (b) False
26. 26.🧺 Do we need a mirror for the water rainbow? (a) needed (b) not needed
27. 27.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? Which of these is kept the same? (a) the amount of water (b) brightness of rainbow (c) the same glass
28. 28.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? What do we do with “the time of day”? (a) we keep it the same (b) we change it (c) we measure it
29. 29.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? True or false: the same white paper is the one thing we change. (a) False (b) True
30. 30.🧺 Which of these is not needed for the water rainbow? (a) turmeric powder (b) a sheet of white paper (c) a sunny window (d) a clear glass of water
31. 31.True or false: a balloon is needed for the water rainbow. (a) True (b) False
32. 32.🌈 In VIBGYOR, what number colour is blue?
33. 33.🧺 Which of these is not needed for the water rainbow? (a) a sheet of white paper (b) a battery cell (c) bright sunlight (d) a clear glass of water
34. 34.🧺 Do we need yeast for the water rainbow? (a) needed (b) not needed
35. 35.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? True or false: brightness of rainbow is kept the same. (a) False (b) True
36. 36.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? What do we do with “the same glass”? (a) we change it (b) we measure it (c) we keep it the same
37. 37.🧺 Do we need a sheet of white paper for the water rainbow? (a) needed (b) not needed
38. 38.🌈 In VIBGYOR, what number colour is indigo?
39. 39.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? What do we do with “the amount of water”? (a) we measure it (b) we keep it the same (c) we change it
40. 40.🛟 Why should the glass of water stand on a steady, flat place? (a) so the Sun moves (b) so it gets hot (c) so it turns blue (d) so it does not fall

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