Rainbow Science Experiment Worksheet

Science experiments lesson 5: Make a rainbow with water and sunlight · Set 327 · 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.🧺 Which of these is not needed for the water rainbow? (a) a sunny window (b) a clear glass of water (c) a sheet of white paper (d) a mirror
2. 2.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? True or false: the time of day is kept the same. (a) False (b) True
3. 3.🧺 Which of these is not needed for the water rainbow? (a) a sheet of white paper (b) a clear glass of water (c) a sunny window (d) a balloon
4. 4.True or false: yeast is not needed for the water rainbow. (a) True (b) False
5. 5.🌈 In VIBGYOR, what number colour is green?
6. 6.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a clear glass of water (b) bright sunlight (c) a balloon (d) a sunny window
7. 7.True or false: a balloon is not needed for the water rainbow. (a) False (b) True
8. 8.🧺 Do we need bright sunlight for the water rainbow? (a) not needed (b) needed
9. 9.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a sunny window (b) turmeric powder (c) bright sunlight (d) a clear glass of water
10. 10.🧺 Do we need a magnet for the water rainbow? (a) needed (b) not needed
11. 11.🌈 In a rainbow in the sky, which colour is on the outside (top) edge? (a) red (b) blue (c) green (d) violet
12. 12.🌈 In VIBGYOR, what number colour is orange?
13. 13.🧺 Do we need yeast for the water rainbow? (a) not needed (b) needed
14. 14.⚖️ 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 change it (b) we measure it (c) we keep it the same
15. 15.🌈 How many colours do we name in a rainbow (VIBGYOR)?
16. 16.True or false: a magnet is needed for the water rainbow. (a) False (b) True
17. 17.🌈 In VIBGYOR, what number colour is yellow?
18. 18.🛟 Which rule keeps you safe when working with sunlight? (a) look at it through glass (b) never look at the Sun (c) look at it in a mirror (d) stare at the Sun
19. 19.🧺 Which of these is needed for the water rainbow? (a) yeast (b) bright sunlight (c) a magnet (d) a battery cell
20. 20.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? True or false: the same glass is kept the same. (a) True (b) False
21. 21.🧺 Which of these is not needed for the water rainbow? (a) a sunny window (b) a clear glass of water (c) a battery cell (d) bright sunlight
22. 22.🌈 In VIBGYOR, what number colour is violet?
23. 23.True or false: bright sunlight is not needed for the water rainbow. (a) False (b) True
24. 24.🛟 Why should the glass of water stand on a steady, flat place? (a) so it gets hot (b) so the Sun moves (c) so it turns blue (d) so it does not fall
25. 25.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? Which of these is what we measure? (a) brightness of rainbow (b) the same glass (c) the amount of water (d) the same white paper
26. 26.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a clear glass of water (b) bright sunlight (c) a sheet of white paper (d) yeast
27. 27.🌈 In VIBGYOR, what number colour is indigo?
28. 28.True or false: bright sunlight is needed for the water rainbow. (a) False (b) True
29. 29.🧺 Which of these is needed for the water rainbow? (a) turmeric powder (b) yeast (c) a sheet of white paper (d) a battery cell
30. 30.🧺 Do we need a battery cell for the water rainbow? (a) not needed (b) needed
31. 31.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? True or false: the same glass is what we measure. (a) False (b) True
32. 32.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? Which of these is the one thing we change? (a) the same white paper (b) the amount of water (c) the time of day (d) the same glass
33. 33.🌈 In VIBGYOR, what number colour is red?
34. 34.🧺 Do we need a sheet of white paper for the water rainbow? (a) not needed (b) needed
35. 35.⚖️ 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 time of day (b) the amount of water (c) brightness of rainbow
36. 36.🌦️ To see a rainbow in the sky, where must the Sun be? (a) in front of you (b) straight above you (c) under the ground (d) behind you
37. 37.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? True or false: the same white paper is kept the same. (a) False (b) True
38. 38.⚖️ 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 measure it (b) we keep it the same (c) we change it
39. 39.⚖️ 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
40. 40.True or false: a battery cell is not needed for the water rainbow. (a) True (b) False

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