Rainbow Science Experiment Worksheet

Science experiments lesson 5: Make a rainbow with water and sunlight · Set 359 · 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 kept the same? (a) the amount of water (b) the time of day (c) brightness of rainbow
2. 2.⚖️ 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
3. 3.True or false: a battery cell is needed for the water rainbow. (a) True (b) False
4. 4.🛟 Which rule keeps you safe when working with sunlight? (a) look at it through glass (b) stare at the Sun (c) look at it in a mirror (d) never look at the Sun
5. 5.🛟 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
6. 6.🧺 Which of these is not needed for the water rainbow? (a) bright sunlight (b) yeast (c) a clear glass of water (d) a sunny window
7. 7.🌈 In VIBGYOR, what number colour is orange?
8. 8.🌈 How many colours do we name in a rainbow (VIBGYOR)?
9. 9.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) bright sunlight (b) yeast (c) a sheet of white paper (d) a sunny window
10. 10.⚖️ 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
11. 11.🧺 Which of these is needed for the water rainbow? (a) a mirror (b) a battery cell (c) bright sunlight (d) yeast
12. 12.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? Which of these is what we measure? (a) brightness of rainbow (b) the time of day (c) the same window (d) the amount of water
13. 13.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a sunny window (b) turmeric powder (c) bright sunlight (d) a sheet of white paper
14. 14.⚖️ 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 amount of water (c) the same white paper (d) the time of day
15. 15.⚖️ 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) False (b) True
16. 16.🔮 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
17. 17.🧺 Do we need a mirror for the water rainbow? (a) needed (b) not needed
18. 18.🧺 Which of these is not needed for the water rainbow? (a) bright sunlight (b) a clear glass of water (c) a sunny window (d) a magnet
19. 19.True or false: a sheet of white paper is not needed for the water rainbow. (a) True (b) False
20. 20.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? True or false: the time of day is the one thing we change. (a) False (b) True
21. 21.🌈 In VIBGYOR, what number colour is red?
22. 22.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) bright sunlight (b) a mirror (c) a sunny window (d) a clear glass of water
23. 23.🧺 Which of these is not needed for the water rainbow? (a) a sunny window (b) a clear glass of water (c) turmeric powder (d) a sheet of white paper
24. 24.🔮 Raindrops in the sky act like tiny ___ for sunlight. (a) clouds (b) magnets (c) prisms (d) balloons
25. 25.🧺 Which of these is not needed for the water rainbow? (a) a mirror (b) a sheet of white paper (c) bright sunlight (d) a clear glass of water
26. 26.🧺 Which of these is needed for the water rainbow? (a) a balloon (b) yeast (c) a clear glass of water (d) a magnet
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 keep it the same (b) we change it (c) we measure it
28. 28.🌈 In a rainbow in the sky, which colour is on the inside (bottom) edge? (a) red (b) orange (c) violet (d) yellow
29. 29.True or false: a sunny window is not needed for the water rainbow. (a) True (b) False
30. 30.⚖️ 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 measure it (b) we keep it the same (c) we change it
31. 31.⚖️ 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
32. 32.☀️ What is white sunlight really made of? (a) many colours mixed (b) only yellow light (c) tiny bits of dust (d) tiny drops of water
33. 33.🧺 Which of these is needed for the water rainbow? (a) yeast (b) a balloon (c) a sunny window (d) a battery cell
34. 34.True or false: a sheet of white paper is needed for the water rainbow. (a) False (b) True
35. 35.🌈 In VIBGYOR, what number colour is blue?
36. 36.True or false: a magnet is needed for the water rainbow. (a) False (b) True
37. 37.🧺 Do we need bright sunlight for the water rainbow? (a) needed (b) not needed
38. 38.🧺 Do we need a battery cell for the water rainbow? (a) not needed (b) needed
39. 39.⚖️ 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) True (b) False
40. 40.True or false: a mirror is needed for the water rainbow. (a) False (b) True

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