Rainbow Science Experiment Worksheet

Science experiments lesson 5: Make a rainbow with water and sunlight · Set 378 · 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.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? Which of these is kept the same? (a) brightness of rainbow (b) the amount of water (c) the same glass
2. 2.🧺 Which of these is needed for the water rainbow? (a) a sunny window (b) a battery cell (c) a balloon (d) yeast
3. 3.True or false: a sheet of white paper is not needed for the water rainbow. (a) False (b) True
4. 4.🧺 Do we need a battery cell for the water rainbow? (a) needed (b) not needed
5. 5.⚖️ 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 change it (c) we measure it
6. 6.True or false: a sunny window is not needed for the water rainbow. (a) True (b) False
7. 7.True or false: a battery cell is needed for the water rainbow. (a) True (b) False
8. 8.🧺 Do we need a magnet for the water rainbow? (a) needed (b) not needed
9. 9.⚖️ 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 same window (b) the amount of water (c) brightness of rainbow
10. 10.⚖️ 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) False (b) True
11. 11.⚖️ 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 amount of water (b) the time of day (c) the same glass (d) brightness of rainbow
12. 12.🧺 Do we need bright sunlight for the water rainbow? (a) not needed (b) needed
13. 13.True or false: bright sunlight is not needed for the water rainbow. (a) True (b) False
14. 14.⚖️ 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
15. 15.True or false: a mirror is not needed for the water rainbow. (a) False (b) True
16. 16.🛟 Why should the glass of water stand on a steady, flat place? (a) so it gets hot (b) so it does not fall (c) so the Sun moves (d) so it turns blue
17. 17.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a balloon (b) a sheet of white paper (c) a sunny window (d) a clear glass of water
18. 18.🌈 How many colours do we name in a rainbow (VIBGYOR)?
19. 19.True or false: a clear glass of water is needed for the water rainbow. (a) False (b) True
20. 20.🧺 Do we need a sheet of white paper for the water rainbow? (a) not needed (b) needed
21. 21.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a sheet of white paper (b) bright sunlight (c) a mirror (d) a clear glass of water
22. 22.🧺 Which of these is needed for the water rainbow? (a) a battery cell (b) a clear glass of water (c) a mirror (d) yeast
23. 23.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? True or false: the amount of water is what we measure. (a) False (b) True
24. 24.🔮 Raindrops in the sky act like tiny ___ for sunlight. (a) clouds (b) magnets (c) prisms (d) balloons
25. 25.⚖️ 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 keep it the same (b) we measure it (c) we change it
26. 26.⚖️ 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 window (b) the amount of water (c) brightness of rainbow (d) the same glass
27. 27.🧺 Which of these is needed for the water rainbow? (a) a magnet (b) a battery cell (c) bright sunlight (d) turmeric powder
28. 28.🛟 Which rule keeps you safe when working with sunlight? (a) never look at the Sun (b) stare at the Sun (c) look at it in a mirror (d) look at it through glass
29. 29.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a sunny window (b) bright sunlight (c) a clear glass of water (d) a magnet
30. 30.⚖️ 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) True (b) False
31. 31.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? What do we do with “the same window”? (a) we keep it the same (b) we measure it (c) we change it
32. 32.🧺 Which of these is needed for the water rainbow? (a) a sheet of white paper (b) turmeric powder (c) a magnet (d) a battery cell
33. 33.🌈 In a rainbow in the sky, which colour is on the outside (top) edge? (a) red (b) green (c) violet (d) blue
34. 34.True or false: a battery cell is not needed for the water rainbow. (a) False (b) True
35. 35.🌈 In VIBGYOR, what number colour is indigo?
36. 36.🧺 Which of these is not needed for the water rainbow? (a) a sunny window (b) a sheet of white paper (c) a battery cell (d) bright sunlight
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.📘 What do we call light bending as it passes from air into water? (a) magnetism (b) reflection (c) refraction (d) evaporation
39. 39.True or false: a sunny window is needed for the water rainbow. (a) True (b) False
40. 40.🧺 Do we need turmeric powder for the water rainbow? (a) needed (b) not needed

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