Rainbow Science Experiment Worksheet

Science experiments lesson 5: Make a rainbow with water and sunlight · Set 368 · 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.True or false: a mirror is needed for the water rainbow. (a) False (b) True
2. 2.🌈 In VIBGYOR, what number colour is blue?
3. 3.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? True or false: brightness of rainbow is the one thing we change. (a) True (b) False
4. 4.🧺 Which of these is not needed for the water rainbow? (a) a sheet of white paper (b) a clear glass of water (c) turmeric powder (d) bright sunlight
5. 5.⚖️ 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 change it (c) we keep it the same
6. 6.True or false: bright sunlight is needed for the water rainbow. (a) False (b) True
7. 7.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? True or false: the time of day is the one thing we change. (a) True (b) False
8. 8.🌈 In VIBGYOR, what number colour is orange?
9. 9.🌈 How many colours do we name in a rainbow (VIBGYOR)?
10. 10.🧺 Which of these is not needed for the water rainbow? (a) bright sunlight (b) a magnet (c) a sunny window (d) a clear glass of water
11. 11.🧺 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 sunny window (d) a mirror
12. 12.🛟 Which rule keeps you safe when working with sunlight? (a) look at it through glass (b) look at it in a mirror (c) never look at the Sun (d) stare at the Sun
13. 13.⚖️ 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
14. 14.⚖️ 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 time of day (c) brightness of rainbow (d) the same window
15. 15.⚖️ 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) brightness of rainbow (c) the amount of water
16. 16.True or false: a mirror is not needed for the water rainbow. (a) False (b) True
17. 17.⚖️ 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 window (b) the time of day (c) the amount of water (d) brightness of rainbow
18. 18.🧺 Do we need bright sunlight for the water rainbow? (a) not needed (b) needed
19. 19.📘 What do we call light bending as it passes from air into water? (a) refraction (b) magnetism (c) reflection (d) evaporation
20. 20.True or false: a battery cell is not needed for the water rainbow. (a) False (b) True
21. 21.🧺 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 magnet (d) a sunny window
22. 22.⚖️ 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 white paper (b) the amount of water (c) brightness of rainbow
23. 23.⚖️ 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
24. 24.☀️ What is white sunlight really made of? (a) tiny drops of water (b) only yellow light (c) many colours mixed (d) tiny bits of dust
25. 25.🌈 In VIBGYOR, what number colour is violet?
26. 26.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a sunny window (b) a sheet of white paper (c) a battery cell (d) a clear glass of water
27. 27.🛟 Why should the glass of water stand on a steady, flat place? (a) so the Sun moves (b) so it turns blue (c) so it gets hot (d) so it does not fall
28. 28.⚖️ 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 change it (b) we keep it the same (c) we measure it
29. 29.🧺 Do we need a sunny window for the water rainbow? (a) needed (b) not needed
30. 30.🔮 Raindrops in the sky act like tiny ___ for sunlight. (a) magnets (b) clouds (c) balloons (d) prisms
31. 31.🧺 Which of these is needed for the water rainbow? (a) a balloon (b) a sunny window (c) a magnet (d) turmeric powder
32. 32.⚖️ 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 change it (c) we measure it
33. 33.🌈 In a rainbow in the sky, which colour is on the outside (top) edge? (a) red (b) blue (c) violet (d) green
34. 34.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a sheet of white paper (b) a sunny window (c) a balloon (d) bright sunlight
35. 35.🧺 Which of these is needed for the water rainbow? (a) bright sunlight (b) yeast (c) a magnet (d) a balloon
36. 36.🧺 Which of these is needed for the water rainbow? (a) yeast (b) a magnet (c) a mirror (d) a clear glass of water
37. 37.True or false: a sunny window is not needed for the water rainbow. (a) False (b) True
38. 38.True or false: a balloon is not needed for the water rainbow. (a) False (b) True
39. 39.🧺 Which of these is not needed for the water rainbow? (a) a battery cell (b) a sheet of white paper (c) a sunny window (d) a clear glass of water
40. 40.⚖️ 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 glass (b) the amount of water (c) brightness of rainbow

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