Rainbow Science Experiment Worksheet

Science experiments lesson 5: Make a rainbow with water and sunlight · Set 896 · 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? True or false: the time of day is what we measure. (a) True (b) False
2. 2.⚖️ 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
3. 3.🧺 Which of these is needed for the water rainbow? (a) a magnet (b) a balloon (c) a mirror (d) a sheet of white paper
4. 4.🧺 Which of these is needed for the water rainbow? (a) a balloon (b) yeast (c) turmeric powder (d) a clear glass of water
5. 5.🌈 In VIBGYOR, what number colour is blue?
6. 6.🌈 In VIBGYOR, what number colour is indigo?
7. 7.True or false: a balloon is needed for the water rainbow. (a) False (b) True
8. 8.🧺 Which of these is not needed for the water rainbow? (a) a sunny window (b) a sheet of white paper (c) a magnet (d) a clear glass of water
9. 9.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? True or false: the same glass is what we measure. (a) False (b) True
10. 10.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a sunny window (b) a clear glass of water (c) a sheet of white paper (d) a battery cell
11. 11.🌈 In VIBGYOR, what number colour is violet?
12. 12.True or false: a battery cell is not needed for the water rainbow. (a) False (b) True
13. 13.🌈 In VIBGYOR, what number colour is red?
14. 14.⚖️ 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 keep it the same (b) we change it (c) we measure it
15. 15.⚖️ 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 keep it the same (b) we measure it (c) we change it
16. 16.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a sunny window (b) bright sunlight (c) a sheet of white paper (d) a mirror
17. 17.🌈 How many colours do we name in a rainbow (VIBGYOR)?
18. 18.🧺 Do we need a battery cell for the water rainbow? (a) needed (b) not needed
19. 19.🧺 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) yeast
20. 20.🔮 Raindrops in the sky act like tiny ___ for sunlight. (a) prisms (b) magnets (c) clouds (d) balloons
21. 21.⚖️ 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
22. 22.True or false: bright sunlight is needed for the water rainbow. (a) False (b) True
23. 23.🧺 Do we need a sheet of white paper for the water rainbow? (a) not needed (b) needed
24. 24.🌈 In VIBGYOR, what number colour is yellow?
25. 25.🧺 Which of these is not needed for the water rainbow? (a) a clear glass of water (b) bright sunlight (c) yeast (d) a sheet of white paper
26. 26.⚖️ 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 measure it (c) we change it
27. 27.True or false: yeast is needed for the water rainbow. (a) False (b) True
28. 28.True or false: a sunny window is not needed for the water rainbow. (a) False (b) True
29. 29.🌈 Why does sunlight make a rainbow through a glass of water? (a) the water is coloured (b) water splits the light (c) the glass is painted (d) the paper makes colours
30. 30.🧺 Do we need a sunny window for the water rainbow? (a) needed (b) not needed
31. 31.🛟 Why should the glass of water stand on a steady, flat place? (a) so it gets hot (b) so it does not fall (c) so it turns blue (d) so the Sun moves
32. 32.🧺 Which of these is needed for the water rainbow? (a) a mirror (b) yeast (c) turmeric powder (d) a sunny window
33. 33.🌦️ To see a rainbow in the sky, where must the Sun be? (a) behind you (b) in front of you (c) under the ground (d) straight above you
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) False (b) True
35. 35.📘 What do we call light bending as it passes from air into water? (a) refraction (b) magnetism (c) evaporation (d) reflection
36. 36.True or false: a clear glass of water is not needed for the water rainbow. (a) False (b) True
37. 37.⚖️ 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
38. 38.⚖️ 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 glass (c) the amount of water (d) the same white paper
39. 39.☀️ What is white sunlight really made of? (a) tiny bits of dust (b) only yellow light (c) many colours mixed (d) tiny drops of water
40. 40.True or false: a balloon is not needed for the water rainbow. (a) False (b) True

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