Rainbow Science Experiment Worksheet

Science experiments lesson 5: Make a rainbow with water and sunlight · Set 150 · 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 clear glass of water (b) bright sunlight (c) a magnet (d) a sheet of white paper
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? Which of these is kept the same? (a) brightness of rainbow (b) the same white paper (c) the amount of water
4. 4.⚖️ 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
5. 5.🧺 Which of these is not needed for the water rainbow? (a) a clear glass of water (b) bright sunlight (c) a sunny window (d) a balloon
6. 6.True or false: a magnet is needed for the water rainbow. (a) True (b) False
7. 7.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a sheet of white paper (b) a clear glass of water (c) a sunny window (d) yeast
8. 8.🧺 Which of these is needed for the water rainbow? (a) yeast (b) a sunny window (c) a magnet (d) a balloon
9. 9.🧺 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 clear glass of water (d) a mirror
10. 10.True or false: a clear glass of water is not needed for the water rainbow. (a) False (b) True
11. 11.True or false: yeast is needed for the water rainbow. (a) False (b) True
12. 12.🌈 In VIBGYOR, what number colour is indigo?
13. 13.🌈 How many colours do we name in a rainbow (VIBGYOR)?
14. 14.🧺 Which of these is not needed for the water rainbow? (a) a clear glass of water (b) a sheet of white paper (c) a sunny window (d) a battery cell
15. 15.🌈 In a rainbow in the sky, which colour is on the inside (bottom) edge? (a) orange (b) yellow (c) red (d) violet
16. 16.True or false: a sheet of white paper is not needed for the water rainbow. (a) True (b) False
17. 17.🔮 Predict: you spray fine water drops with the Sun behind you. What may you see? (a) a small rainbow (b) a magnet (c) snow falling (d) a shadow of ice
18. 18.🔮 Raindrops in the sky act like tiny ___ for sunlight. (a) clouds (b) balloons (c) prisms (d) magnets
19. 19.True or false: a sunny window is needed for the water rainbow. (a) False (b) True
20. 20.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a clear glass of water (b) a sheet of white paper (c) bright sunlight (d) a battery cell
21. 21.🌈 In VIBGYOR, what number colour is orange?
22. 22.🌈 In VIBGYOR, what number colour is violet?
23. 23.⚖️ 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) the same glass (c) brightness of rainbow
24. 24.⚖️ 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) False (b) True
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 white paper”? (a) we change it (b) we keep it the same (c) we measure it
26. 26.🧺 Do we need a mirror for the water rainbow? (a) needed (b) not needed
27. 27.🧺 Which of these is needed for the water rainbow? (a) a balloon (b) a sheet of white paper (c) turmeric powder (d) yeast
28. 28.🧺 Do we need a battery cell for the water rainbow? (a) needed (b) not needed
29. 29.🧺 Do we need a clear glass of water for the water rainbow? (a) not needed (b) needed
30. 30.☀️ What is white sunlight really made of? (a) tiny drops of water (b) tiny bits of dust (c) only yellow light (d) many colours mixed
31. 31.🌈 In VIBGYOR, what number colour is green?
32. 32.⚖️ 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 white paper (b) brightness of rainbow (c) the same glass (d) the same window
33. 33.🧺 Do we need a sheet of white paper for the water rainbow? (a) needed (b) not needed
34. 34.⚖️ 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) True (b) False
35. 35.⚖️ 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
36. 36.🛟 Which rule keeps you safe when working with sunlight? (a) never look at the Sun (b) look at it through glass (c) look at it in a mirror (d) stare at the Sun
37. 37.🧺 Do we need bright sunlight for the water rainbow? (a) not needed (b) needed
38. 38.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a sheet of white paper (b) a magnet (c) bright sunlight (d) a clear glass of water
39. 39.⚖️ 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 glass (b) brightness of rainbow (c) the same white paper (d) the amount of water
40. 40.⚖️ 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) False (b) True

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