← Make a rainbow with water and sunlight lesson New set →

Rainbow Science Experiment Worksheet

Science experiments lesson 5: Make a rainbow with water and sunlight · Set 186 · 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 clear glass of water is not needed for the water rainbow. (a) True (b) False
  2. 2.🧺 Which of these is needed for the water rainbow? (a) yeast (b) a magnet (c) a sheet of white paper (d) turmeric powder
  3. 3.True or false: bright sunlight is not needed for the water rainbow. (a) True (b) False
  4. 4.🧺 Which of these is needed for the water rainbow? (a) bright sunlight (b) a battery cell (c) a balloon (d) turmeric powder
  5. 5.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a clear glass of water (b) a sheet of white paper (c) bright sunlight (d) a magnet
  6. 6.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? True or false: the same white paper is what we measure. (a) False (b) True
  7. 7.⚖️ 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 keep it the same (c) we measure it
  8. 8.🌈 In VIBGYOR, what number colour is blue?
  9. 9.📘 What do we call light bending as it passes from air into water? (a) reflection (b) evaporation (c) refraction (d) magnetism
  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) False (b) True
  11. 11.⚖️ 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
  12. 12.🧺 Do we need a mirror for the water rainbow? (a) not needed (b) needed
  13. 13.🛟 Which rule keeps you safe when working with sunlight? (a) look at it in a mirror (b) look at it through glass (c) stare at the Sun (d) never look at the Sun
  14. 14.True or false: turmeric powder is not needed for the water rainbow. (a) False (b) True
  15. 15.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) a sunny window (b) yeast (c) bright sunlight (d) a sheet of white paper
  16. 16.🧺 Three of these are needed for the water rainbow. Which one is NOT needed? (a) bright sunlight (b) a sheet of white paper (c) a clear glass of water (d) turmeric powder
  17. 17.🌈 In VIBGYOR, what number colour is violet?
  18. 18.🧺 Which of these is not needed for the water rainbow? (a) a sheet of white paper (b) a clear glass of water (c) a sunny window (d) yeast
  19. 19.⚖️ 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
  20. 20.🌈 In VIBGYOR, what number colour is green?
  21. 21.🧺 Do we need turmeric powder for the water rainbow? (a) not needed (b) needed
  22. 22.⚖️ 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 change it (b) we keep it the same (c) we measure it
  23. 23.🧺 Which of these is not needed for the water rainbow? (a) bright sunlight (b) a clear glass of water (c) turmeric powder (d) a sunny window
  24. 24.🔮 Raindrops in the sky act like tiny ___ for sunlight. (a) clouds (b) magnets (c) balloons (d) prisms
  25. 25.🌈 How many colours do we name in a rainbow (VIBGYOR)?
  26. 26.⚖️ 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
  27. 27.⚖️ 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) False (b) True
  28. 28.⚖️ Fair test — does the amount of water in the glass change how bright the rainbow is? True or false: brightness of rainbow is kept the same. (a) False (b) True
  29. 29.⚖️ 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 window (d) the same glass
  30. 30.⚖️ 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 white paper (c) brightness of rainbow
  31. 31.True or false: a balloon is needed for the water rainbow. (a) True (b) False
  32. 32.🌈 In a rainbow in the sky, which colour is on the inside (bottom) edge? (a) orange (b) red (c) yellow (d) violet
  33. 33.⚖️ 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
  34. 34.🔮 What happens if a cloud covers the Sun during the rainbow experiment? (a) it turns brighter (b) the rainbow fades (c) it floats away (d) it turns all red
  35. 35.⚖️ 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 change it (b) we measure it (c) we keep it the same
  36. 36.⚖️ 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
  37. 37.🛟 Why should the glass of water stand on a steady, flat place? (a) so it gets hot (b) so the Sun moves (c) so it does not fall (d) so it turns blue
  38. 38.🌦️ To see a rainbow in the sky, where must the Sun be? (a) straight above you (b) behind you (c) in front of you (d) under the ground
  39. 39.🌈 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
  40. 40.⚖️ 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

Answer key

  1. False
  2. a sheet of white paper
  3. False
  4. bright sunlight
  5. a magnet
  6. False
  7. we keep it the same
  8. 3
  9. refraction
  10. False
  11. True
  12. not needed
  13. never look at the Sun
  14. True
  15. yeast
  16. turmeric powder
  17. 1
  18. yeast
  19. we change it
  20. 4
  21. not needed
  22. we keep it the same
  23. turmeric powder
  24. prisms
  25. 7
  26. the same glass
  27. True
  28. False
  29. the amount of water
  30. the same white paper
  31. False
  32. violet
  33. we keep it the same
  34. the rainbow fades
  35. we keep it the same
  36. True
  37. so it does not fall
  38. behind you
  39. water splits the light
  40. True

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