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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 294 · 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.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we measure it (b) we keep it the same (c) we change it
  2. 2.🧺 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 magnet (d) a clock to check
  3. 3.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) a clock to check (c) a straight stick (d) chalk to mark shadows
  4. 4.🌞 When is a stick’s shadow the shortest? (a) at night (b) early morning (c) around noon (d) late evening
  5. 5.True or false: air is transparent. (a) False (b) True
  6. 6.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a battery cell (b) a sunny open place (c) a straight stick (d) a clock to check
  7. 7.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a sunny open place (c) a magnet (d) a straight stick
  8. 8.🔦 Which of these is transparent? (a) frosted glass (b) air (c) your hand (d) a book
  9. 9.⚖️ 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 same stick (c) shadow length
  10. 10.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is kept the same. (a) False (b) True
  11. 11.⚖️ 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 same spot (c) shadow length
  12. 12.True or false: a balloon is not needed for the shadow clock. (a) True (b) False
  13. 13.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
  14. 14.🔦 Is butter paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  15. 15.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
  16. 16.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) True (b) False
  17. 17.True or false: a balloon is needed for the shadow clock. (a) True (b) False
  18. 18.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a clock to check (c) chalk to mark shadows (d) a balloon
  19. 19.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we measure it (b) we change it (c) we keep it the same
  20. 20.🔦 Is a book opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  21. 21.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
  22. 22.⚖️ 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 stick (b) the time of day (c) the same spot (d) the stick kept upright
  23. 23.True or false: your hand is opaque. (a) False (b) True
  24. 24.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we keep it the same (b) we change it (c) we measure it
  25. 25.🔍 Which is the odd one out? (a) a steel plate (b) a wooden board (c) a brick (d) butter paper
  26. 26.True or false: a mirror is needed for the shadow clock. (a) False (b) True
  27. 27.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) wear a cap (c) mark with chalk (d) look straight at the Sun
  28. 28.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) a woollen sweater (c) nothing on your head (d) a raincoat
  29. 29.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a mirror (c) a sunny open place (d) a magnet
  30. 30.True or false: butter paper is translucent. (a) True (b) False
  31. 31.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is the one thing we change. (a) True (b) False
  32. 32.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
  33. 33.🔦 Is air opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  34. 34.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we change it (b) we keep it the same (c) we measure it
  35. 35.🔍 Which is the odd one out? (a) tissue paper (b) oily paper (c) clean water (d) frosted glass
  36. 36.True or false: clean water is translucent. (a) False (b) True
  37. 37.True or false: oily paper is opaque. (a) False (b) True
  38. 38.🕰️ What is a sundial used for? (a) telling the time (b) making rainbows (c) weighing things (d) measuring rain
  39. 39.True or false: a magnet is not needed for the shadow clock. (a) True (b) False
  40. 40.True or false: yeast is not needed for the shadow clock. (a) True (b) False

Answer key

  1. we change it
  2. a magnet
  3. turmeric powder
  4. around noon
  5. True
  6. a battery cell
  7. a magnet
  8. air
  9. the same stick
  10. False
  11. the same spot
  12. True
  13. needed
  14. translucent
  15. not needed
  16. True
  17. False
  18. a balloon
  19. we keep it the same
  20. opaque
  21. not needed
  22. the time of day
  23. True
  24. we keep it the same
  25. butter paper
  26. False
  27. look straight at the Sun
  28. a cap or hat
  29. a sunny open place
  30. True
  31. False
  32. needed
  33. transparent
  34. we keep it the same
  35. clean water
  36. False
  37. False
  38. telling the time
  39. True
  40. True

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