Rainbow Science Experiment Worksheet

Science experiments lesson 5: Make a rainbow with water and sunlight · Set 176 · 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: turmeric powder is not needed for the water rainbow. (a) True (b) False
2. 2.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? True or false: brightness of rainbow is what we measure. (a) True (b) False
3. 3.🧺 Do we need a clear glass of water for the water rainbow? (a) needed (b) not needed
4. 4.🛟 Which rule keeps you safe when working with sunlight? (a) never look at the Sun (b) look at it in a mirror (c) stare at the Sun (d) look at it through glass
5. 5.🛟 Why should the glass of water stand on a steady, flat place? (a) so it turns blue (b) so the Sun moves (c) so it does not fall (d) so it gets hot
6. 6.🌈 In VIBGYOR, what number colour is violet?
7. 7.⚖️ 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 amount of water (c) the same white paper
8. 8.🌈 How many colours do we name in a rainbow (VIBGYOR)?
9. 9.🧺 Which of these is needed for the water rainbow? (a) a balloon (b) bright sunlight (c) turmeric powder (d) a magnet
10. 10.⚖️ 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
11. 11.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) turmeric powder (b) a clear glass of water (c) a sheet of white paper (d) bright sunlight
12. 12.⚖️ 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) brightness of rainbow (b) the same window (c) the same glass (d) the amount of water
13. 13.🌈 In a rainbow in the sky, which colour is on the outside (top) edge? (a) violet (b) blue (c) red (d) green
14. 14.🧺 Do we need a magnet for the water rainbow? (a) needed (b) not needed
15. 15.⚖️ 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
16. 16.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a clear glass of water (b) a battery cell (c) a sheet of white paper (d) a sunny window
17. 17.🧺 Do we need turmeric powder for the water rainbow? (a) needed (b) not needed
18. 18.🔮 Predict: you spray fine water drops with the Sun behind you. What may you see? (a) snow falling (b) a small rainbow (c) a magnet (d) a shadow of ice
19. 19.🧺 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 balloon (d) a sunny window
20. 20.🌈 Why does sunlight make a rainbow through a glass of water? (a) the paper makes colours (b) the glass is painted (c) water splits the light (d) the water is coloured
21. 21.🌈 In VIBGYOR, what number colour is blue?
22. 22.True or false: a mirror is needed for the water rainbow. (a) True (b) False
23. 23.🧺 Do we need a battery cell for the water rainbow? (a) not needed (b) needed
24. 24.⚖️ 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
25. 25.🌈 In VIBGYOR, what number colour is yellow?
26. 26.🔮 Raindrops in the sky act like tiny ___ for sunlight. (a) balloons (b) magnets (c) prisms (d) clouds
27. 27.⚖️ 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) True (b) False
28. 28.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a sunny window (b) bright sunlight (c) a clear glass of water (d) yeast
29. 29.🧺 Which of these is not needed for the water rainbow? (a) a clear glass of water (b) a balloon (c) a sheet of white paper (d) bright sunlight
30. 30.🌈 In VIBGYOR, what number colour is orange?
31. 31.🌈 In VIBGYOR, what number colour is red?
32. 32.⚖️ 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
33. 33.🌈 In VIBGYOR, what number colour is green?
34. 34.True or false: a battery cell is not needed for the water rainbow. (a) False (b) True
35. 35.⚖️ 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
36. 36.🧺 Which of these is needed for the water rainbow? (a) a magnet (b) a sheet of white paper (c) a balloon (d) a mirror
37. 37.True or false: a sheet of white paper is needed for the water rainbow. (a) True (b) False
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 window”? (a) we measure it (b) we keep it the same (c) we change it
39. 39.🧺 Which of these is not needed for the water rainbow? (a) a clear glass of water (b) a sunny window (c) a sheet of white paper (d) a mirror
40. 40.🧺 Which of these is not needed for the water rainbow? (a) bright sunlight (b) turmeric powder (c) a sunny window (d) a sheet of white paper

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