Rainbow Science Experiment Worksheet

Science experiments lesson 5: Make a rainbow with water and sunlight · Set 790 · 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.🌈 In a rainbow in the sky, which colour is on the inside (bottom) edge? (a) violet (b) red (c) orange (d) yellow
2. 2.🛟 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
3. 3.🔮 Predict: you spray fine water drops with the Sun behind you. What may you see? (a) a small rainbow (b) snow falling (c) a magnet (d) a shadow of ice
4. 4.⚖️ 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) brightness of rainbow (c) the same window (d) the same glass
5. 5.🌈 How many colours do we name in a rainbow (VIBGYOR)?
6. 6.🛟 Why should the glass of water stand on a steady, flat place? (a) so it does not fall (b) so it gets hot (c) so the Sun moves (d) so it turns blue
7. 7.True or false: turmeric powder is needed for the water rainbow. (a) True (b) False
8. 8.📘 What do we call light bending as it passes from air into water? (a) evaporation (b) magnetism (c) reflection (d) refraction
9. 9.⚖️ 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 window (c) the same glass (d) the same white paper
10. 10.⚖️ 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
11. 11.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) bright sunlight (b) a balloon (c) a clear glass of water (d) a sheet of white paper
12. 12.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) bright sunlight (b) a sunny window (c) a clear glass of water (d) a battery cell
13. 13.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) bright sunlight (b) a sheet of white paper (c) turmeric powder (d) a sunny window
14. 14.⚖️ 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 measure it (b) we keep it the same (c) we change it
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 amount of water (b) the same glass (c) brightness of rainbow
16. 16.🌈 In VIBGYOR, what number colour is orange?
17. 17.⚖️ 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
18. 18.🔮 Raindrops in the sky act like tiny ___ for sunlight. (a) clouds (b) magnets (c) prisms (d) balloons
19. 19.🧺 Which of these is needed for the water rainbow? (a) a balloon (b) a magnet (c) a sheet of white paper (d) a mirror
20. 20.⚖️ 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 change it (b) we measure it (c) we keep it the same
21. 21.⚖️ 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
22. 22.☀️ What is white sunlight really made of? (a) tiny drops of water (b) only yellow light (c) tiny bits of dust (d) many colours mixed
23. 23.⚖️ 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
24. 24.🌈 In VIBGYOR, what number colour is violet?
25. 25.⚖️ 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 keep it the same (c) we measure it
26. 26.⚖️ 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
27. 27.True or false: a battery cell is needed for the water rainbow. (a) True (b) False
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) yeast (b) a magnet (c) bright sunlight (d) a mirror
30. 30.🧺 Which of these is not needed for the water rainbow? (a) a clear glass of water (b) bright sunlight (c) a battery cell (d) a sunny window
31. 31.🧺 Do we need a sheet of white paper for the water rainbow? (a) needed (b) not needed
32. 32.🧺 Do we need a balloon for the water rainbow? (a) not needed (b) needed
33. 33.True or false: a sheet of white paper is needed for the water rainbow. (a) False (b) True
34. 34.🌈 In a rainbow in the sky, which colour is on the outside (top) edge? (a) violet (b) blue (c) green (d) red
35. 35.🌈 In VIBGYOR, what number colour is blue?
36. 36.🧺 Which of these is not needed for the water rainbow? (a) a sunny window (b) a sheet of white paper (c) a balloon (d) bright sunlight
37. 37.True or false: a balloon is not needed for the water rainbow. (a) True (b) False
38. 38.🧺 Do we need a battery cell for the water rainbow? (a) needed (b) not needed
39. 39.🌈 In VIBGYOR, what number colour is yellow?
40. 40.⚖️ 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

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