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Rainbow Science Experiment Worksheet

Science experiments lesson 5: Make a rainbow with water and sunlight · Set 184 · 40 questions
TalentJR

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.

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

Answer key

  1. False
  2. 4
  3. the amount of water
  4. 7
  5. 2
  6. False
  7. so it does not fall
  8. a battery cell
  9. True
  10. never look at the Sun
  11. False
  12. a clear glass of water
  13. yeast
  14. 5
  15. not needed
  16. False
  17. False
  18. a balloon
  19. 6
  20. we keep it the same
  21. red
  22. we measure it
  23. False
  24. bright sunlight
  25. 3
  26. brightness of rainbow
  27. True
  28. not needed
  29. a small rainbow
  30. True
  31. False
  32. needed
  33. turmeric powder
  34. the same glass
  35. True
  36. prisms
  37. True
  38. True
  39. False
  40. 7

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