Rainbow Science Experiment Worksheet

Science experiments lesson 5: Make a rainbow with water and sunlight · Set 598 · 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 what we measure? (a) the same window (b) the amount of water (c) the same white paper (d) brightness of rainbow
2. 2.True or false: a sunny window is not needed for the water rainbow. (a) True (b) False
3. 3.⚖️ 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 amount of water (d) the time of day
4. 4.🔮 What happens if a cloud covers the Sun during the rainbow experiment? (a) it turns all red (b) it turns brighter (c) the rainbow fades (d) it floats away
5. 5.⚖️ 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
6. 6.🔮 Raindrops in the sky act like tiny ___ for sunlight. (a) clouds (b) balloons (c) prisms (d) magnets
7. 7.🛟 Which rule keeps you safe when working with sunlight? (a) stare at the Sun (b) look at it in a mirror (c) never look at the Sun (d) look at it through glass
8. 8.🌈 How many colours do we name in a rainbow (VIBGYOR)?
9. 9.True or false: bright sunlight is not needed for the water rainbow. (a) True (b) False
10. 10.True or false: bright sunlight is needed for the water rainbow. (a) True (b) False
11. 11.📘 What do we call light bending as it passes from air into water? (a) reflection (b) refraction (c) evaporation (d) magnetism
12. 12.🌈 In VIBGYOR, what number colour is orange?
13. 13.🧺 Which of these is not needed for the water rainbow? (a) a clear glass of water (b) a sheet of white paper (c) bright sunlight (d) turmeric powder
14. 14.🌈 In VIBGYOR, what number colour is red?
15. 15.🛟 Why should the glass of water stand on a steady, flat place? (a) so it gets hot (b) so the Sun moves (c) so it turns blue (d) so it does not fall
16. 16.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a magnet (b) bright sunlight (c) a clear glass of water (d) a sheet of white paper
17. 17.True or false: a balloon is needed for the water rainbow. (a) True (b) False
18. 18.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a balloon (b) bright sunlight (c) a sunny window (d) a clear glass of water
19. 19.🧺 Do we need turmeric powder for the water rainbow? (a) needed (b) not needed
20. 20.🌦️ To see a rainbow in the sky, where must the Sun be? (a) straight above you (b) under the ground (c) behind you (d) in front of you
21. 21.🧺 Which of these is not needed for the water rainbow? (a) a clear glass of water (b) a sunny window (c) yeast (d) a sheet of white paper
22. 22.🌈 In VIBGYOR, what number colour is violet?
23. 23.🧺 Which of these is not needed for the water rainbow? (a) a sheet of white paper (b) a sunny window (c) a clear glass of water (d) a magnet
24. 24.True or false: a clear glass of water is not needed for the water rainbow. (a) True (b) False
25. 25.True or false: a sheet of white paper is 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) False (b) True
27. 27.⚖️ 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 keep it the same (c) we change it
28. 28.🔮 Predict: you spray fine water drops with the Sun behind you. What may you see? (a) a magnet (b) a shadow of ice (c) a small rainbow (d) snow falling
29. 29.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? True or false: the same glass is the one thing we change. (a) False (b) True
30. 30.⚖️ 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
31. 31.🧺 Do we need a battery cell for the water rainbow? (a) not needed (b) needed
32. 32.🌈 In VIBGYOR, what number colour is yellow?
33. 33.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? True or false: the same window is the one thing we change. (a) False (b) True
34. 34.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) yeast (b) a clear glass of water (c) a sunny window (d) a sheet of white paper
35. 35.🌈 In a rainbow in the sky, which colour is on the inside (bottom) edge? (a) violet (b) red (c) orange (d) yellow
36. 36.🧺 Which of these is needed for the water rainbow? (a) a clear glass of water (b) a magnet (c) a mirror (d) a balloon
37. 37.🌈 In VIBGYOR, what number colour is blue?
38. 38.⚖️ 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 measure it (b) we change it (c) we keep it the same
39. 39.🧺 Do we need a magnet for the water rainbow? (a) not needed (b) needed
40. 40.🧺 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 clear glass of water (d) a mirror

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