Rainbow Science Experiment Worksheet

Science experiments lesson 5: Make a rainbow with water and sunlight · Set 604 · 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.🧺 Which of these is needed for the water rainbow? (a) a sunny window (b) a balloon (c) a battery cell (d) yeast
2. 2.⚖️ 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
3. 3.⚖️ 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 white paper (b) brightness of rainbow (c) the amount of water
4. 4.☀️ What is white sunlight really made of? (a) many colours mixed (b) tiny drops of water (c) only yellow light (d) tiny bits of dust
5. 5.🌈 Why does sunlight make a rainbow through a glass of water? (a) water splits the light (b) the glass is painted (c) the paper makes colours (d) the water is coloured
6. 6.🔮 What happens if a cloud covers the Sun during the rainbow experiment? (a) the rainbow fades (b) it floats away (c) it turns all red (d) it turns brighter
7. 7.🧺 Do we need turmeric powder for the water rainbow? (a) not needed (b) needed
8. 8.⚖️ 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
9. 9.🛟 Which rule keeps you safe when working with sunlight? (a) stare at the Sun (b) look at it through glass (c) look at it in a mirror (d) never look at the Sun
10. 10.⚖️ 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) True (b) False
11. 11.🧺 Which of these is needed for the water rainbow? (a) turmeric powder (b) a magnet (c) a mirror (d) a clear glass of water
12. 12.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a clear glass of water (b) bright sunlight (c) a mirror (d) a sheet of white paper
13. 13.True or false: a sunny window is needed for the water rainbow. (a) False (b) True
14. 14.⚖️ 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 time of day (c) brightness of rainbow
15. 15.🌈 In a rainbow in the sky, which colour is on the outside (top) edge? (a) violet (b) green (c) blue (d) red
16. 16.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? What do we do with “the same white paper”? (a) we change it (b) we measure it (c) we keep it the same
17. 17.🧺 Which of these is not needed for the water rainbow? (a) a sheet of white paper (b) a balloon (c) a sunny window (d) bright sunlight
18. 18.🌈 In VIBGYOR, what number colour is green?
19. 19.🌈 How many colours do we name in a rainbow (VIBGYOR)?
20. 20.🧺 Do we need a balloon for the water rainbow? (a) needed (b) not needed
21. 21.🌈 In VIBGYOR, what number colour is indigo?
22. 22.⚖️ 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
23. 23.⚖️ 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) True (b) False
24. 24.True or false: a balloon is needed for the water rainbow. (a) True (b) False
25. 25.🧺 Which of these is needed for the water rainbow? (a) yeast (b) a sheet of white paper (c) a balloon (d) a mirror
26. 26.⚖️ 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 measure it (c) we change it
27. 27.🧺 Do we need a sheet of white paper for the water rainbow? (a) needed (b) not needed
28. 28.🔮 Raindrops in the sky act like tiny ___ for sunlight. (a) clouds (b) magnets (c) balloons (d) prisms
29. 29.🧺 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 sunny window (d) a balloon
30. 30.True or false: a clear glass of water is needed for the water rainbow. (a) True (b) False
31. 31.🛟 Why should the glass of water stand on a steady, flat place? (a) so the Sun moves (b) so it turns blue (c) so it does not fall (d) so it gets hot
32. 32.🧺 Which of these is needed for the water rainbow? (a) a balloon (b) a battery cell (c) a magnet (d) bright sunlight
33. 33.🧺 Do we need bright sunlight for the water rainbow? (a) needed (b) not needed
34. 34.🌈 In VIBGYOR, what number colour is violet?
35. 35.🧺 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) a sunny window
36. 36.⚖️ 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) True (b) False
37. 37.⚖️ 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
38. 38.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a clear glass of water (b) a magnet (c) bright sunlight (d) a sheet of white paper
39. 39.🌈 In VIBGYOR, what number colour is red?
40. 40.🌈 In VIBGYOR, what number colour is yellow?

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