Rainbow Science Experiment Worksheet

Science experiments lesson 5: Make a rainbow with water and sunlight · Set 143 · 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 outside (top) edge? (a) red (b) green (c) violet (d) blue
2. 2.🌦️ To see a rainbow in the sky, where must the Sun be? (a) under the ground (b) in front of you (c) straight above you (d) behind you
3. 3.🧺 Do we need a balloon for the water rainbow? (a) needed (b) not needed
4. 4.🔮 Predict: you spray fine water drops with the Sun behind you. What may you see? (a) a magnet (b) a shadow of ice (c) snow falling (d) a small rainbow
5. 5.🌈 How many colours do we name in a rainbow (VIBGYOR)?
6. 6.True or false: a sunny window is not needed for the water rainbow. (a) False (b) True
7. 7.🧺 Do we need turmeric powder for the water rainbow? (a) not needed (b) needed
8. 8.🧺 Which of these is needed for the water rainbow? (a) a mirror (b) turmeric powder (c) bright sunlight (d) a balloon
9. 9.True or false: turmeric powder is not needed for the water rainbow. (a) True (b) False
10. 10.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) bright sunlight (b) a sheet of white paper (c) a clear glass of water (d) a battery cell
11. 11.🌈 In VIBGYOR, what number colour is blue?
12. 12.🌈 Why does sunlight make a rainbow through a glass of water? (a) the paper makes colours (b) the water is coloured (c) water splits the light (d) the glass is painted
13. 13.🌈 In a rainbow in the sky, which colour is on the inside (bottom) edge? (a) yellow (b) red (c) violet (d) orange
14. 14.⚖️ 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
15. 15.⚖️ 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 measure it (b) we keep it the same (c) we change it
16. 16.🧺 Which of these is not needed for the water rainbow? (a) a sunny window (b) bright sunlight (c) a sheet of white paper (d) a balloon
17. 17.🧺 Which of these is needed for the water rainbow? (a) a mirror (b) a battery cell (c) a magnet (d) a clear glass of water
18. 18.⚖️ 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
19. 19.⚖️ 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 amount of water (c) the same window (d) brightness of rainbow
20. 20.📘 What do we call light bending as it passes from air into water? (a) evaporation (b) magnetism (c) refraction (d) reflection
21. 21.🧺 Do we need a battery cell for the water rainbow? (a) not needed (b) needed
22. 22.🧺 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 magnet (d) bright sunlight
23. 23.🧺 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
24. 24.🛟 Why should the glass of water stand on a steady, flat place? (a) so the Sun moves (b) so it gets hot (c) so it does not fall (d) so it turns blue
25. 25.True or false: a clear glass of water is not needed for the water rainbow. (a) False (b) True
26. 26.⚖️ 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) True (b) False
27. 27.⚖️ 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 change it (c) we measure it
28. 28.🔮 Raindrops in the sky act like tiny ___ for sunlight. (a) balloons (b) prisms (c) clouds (d) magnets
29. 29.⚖️ 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 glass (c) the amount of water
30. 30.🧺 Which of these is not needed for the water rainbow? (a) a sunny window (b) bright sunlight (c) a battery cell (d) a clear glass of water
31. 31.True or false: turmeric powder is needed for the water rainbow. (a) False (b) True
32. 32.⚖️ 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 measure it (b) we change it (c) we keep it the same
33. 33.🧺 Which of these is needed for the water rainbow? (a) turmeric powder (b) yeast (c) a mirror (d) a sunny window
34. 34.True or false: bright sunlight is needed for the water rainbow. (a) False (b) True
35. 35.🧺 Do we need yeast for the water rainbow? (a) not needed (b) needed
36. 36.⚖️ 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 time of day (c) the amount of water (d) the same window
37. 37.🧺 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
38. 38.🌈 In VIBGYOR, what number colour is violet?
39. 39.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a sunny window (b) yeast (c) a clear glass of water (d) bright sunlight
40. 40.🧺 Do we need a sunny window for the water rainbow? (a) needed (b) not needed

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