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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 614 · 40 questions
TalentJR

What you do (Shadows point away from the Sun): 1. Stand the stick upright in the ground in an open sunny place. 2. Every hour, mark the tip of the shadow with chalk and write the time. 3. Measure the length of each shadow. 4. Wear a cap and never look straight at the Sun.

NameDateTime takenScore ___ / 40
  1. 1.🔍 Which is the odd one out? (a) your hand (b) oily paper (c) frosted glass (d) butter paper
  2. 2.🧺 Which of these is not needed for the shadow clock? (a) a magnet (b) a sunny open place (c) a straight stick (d) a clock to check
  3. 3.True or false: butter paper is translucent. (a) False (b) True
  4. 4.True or false: clear glass is translucent. (a) False (b) True
  5. 5.🔍 Which is the odd one out? (a) a brick (b) frosted glass (c) oily paper (d) tissue paper
  6. 6.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
  7. 7.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  8. 8.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a straight stick (c) a sunny open place (d) a magnet
  9. 9.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the stick kept upright (b) shadow length (c) the same spot (d) the time of day
  10. 10.True or false: turmeric powder is needed for the shadow clock. (a) True (b) False
  11. 11.True or false: a mirror is needed for the shadow clock. (a) False (b) True
  12. 12.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a sunny open place (c) a magnet (d) a balloon
  13. 13.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) chalk to mark shadows (c) a clock to check (d) yeast
  14. 14.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) chalk to mark shadows (c) yeast (d) a clock to check
  15. 15.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the same spot (b) shadow length (c) the time of day (d) the same stick
  16. 16.True or false: a sunny open place is not needed for the shadow clock. (a) True (b) False
  17. 17.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the time of day (b) the stick kept upright (c) shadow length
  18. 18.True or false: a mirror is not needed for the shadow clock. (a) False (b) True
  19. 19.🔦 Is a book opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  20. 20.True or false: tissue paper is translucent. (a) False (b) True
  21. 21.True or false: a magnet is needed for the shadow clock. (a) True (b) False
  22. 22.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) chalk to mark shadows (c) a sunny open place (d) a mirror
  23. 23.🔍 Which is the odd one out? (a) a wooden board (b) your hand (c) butter paper (d) a book
  24. 24.True or false: a sunny open place is needed for the shadow clock. (a) True (b) False
  25. 25.🔦 Which of these is opaque? (a) oily paper (b) clear glass (c) a steel plate (d) tissue paper
  26. 26.🔍 Which is the odd one out? (a) your hand (b) clean water (c) a steel plate (d) a book
  27. 27.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a sunny open place (c) a balloon (d) chalk to mark shadows
  28. 28.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
  29. 29.🔍 Which is the odd one out? (a) butter paper (b) tissue paper (c) oily paper (d) air
  30. 30.🔦 Is air opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  31. 31.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) does not work well (c) works better (d) shows two times
  32. 32.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) turmeric powder (c) chalk to mark shadows (d) a sunny open place
  33. 33.True or false: yeast is not needed for the shadow clock. (a) True (b) False
  34. 34.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
  35. 35.🕰️ What is a sundial used for? (a) making rainbows (b) measuring rain (c) weighing things (d) telling the time
  36. 36.🔦 Is clean water opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  37. 37.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) turmeric powder (c) a clock to check (d) a sunny open place
  38. 38.True or false: a wooden board is transparent. (a) False (b) True
  39. 39.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) sit in the shade (c) mark with chalk (d) wear a cap
  40. 40.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque

Answer key

  1. your hand
  2. a magnet
  3. True
  4. False
  5. a brick
  6. needed
  7. opaque
  8. a magnet
  9. shadow length
  10. False
  11. False
  12. a sunny open place
  13. yeast
  14. yeast
  15. the time of day
  16. False
  17. the stick kept upright
  18. True
  19. opaque
  20. True
  21. False
  22. a mirror
  23. butter paper
  24. True
  25. a steel plate
  26. clean water
  27. a balloon
  28. not needed
  29. air
  30. transparent
  31. does not work well
  32. turmeric powder
  33. True
  34. needed
  35. telling the time
  36. transparent
  37. turmeric powder
  38. False
  39. look straight at the Sun
  40. opaque

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