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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 587 · 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.

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  1. 1.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a clock to check (c) a sunny open place (d) a balloon
  2. 2.🔦 Is a book opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  3. 3.🌞 When is a stick’s shadow the shortest? (a) late evening (b) around noon (c) early morning (d) at night
  4. 4.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) True (b) False
  5. 5.True or false: yeast is needed for the shadow clock. (a) False (b) True
  6. 6.True or false: a sunny open place is needed for the shadow clock. (a) True (b) False
  7. 7.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the time of day (b) shadow length (c) the same stick (d) the stick kept upright
  8. 8.🔦 Is clear glass opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  9. 9.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) turmeric powder (c) a sunny open place (d) a balloon
  10. 10.True or false: frosted glass is translucent. (a) True (b) False
  11. 11.🔍 Which is the odd one out? (a) a brick (b) a steel plate (c) air (d) a book
  12. 12.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the time of day (b) shadow length (c) the same spot (d) the stick kept upright
  13. 13.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
  14. 14.True or false: a wooden board is transparent. (a) False (b) True
  15. 15.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) look straight at the Sun (c) mark with chalk (d) wear a cap
  16. 16.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
  17. 17.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
  18. 18.⚖️ 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) shadow length (c) the same spot
  19. 19.⚖️ 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
  20. 20.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is the one thing we change. (a) False (b) True
  21. 21.True or false: a magnet is needed for the shadow clock. (a) True (b) False
  22. 22.🔍 Which is the odd one out? (a) a steel plate (b) clear glass (c) a book (d) a brick
  23. 23.True or false: a straight stick is needed for the shadow clock. (a) False (b) True
  24. 24.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a clock to check (c) a battery cell (d) a straight stick
  25. 25.🔦 Is clear plastic film opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  26. 26.🔍 Which is the odd one out? (a) butter paper (b) oily paper (c) tissue paper (d) a wooden board
  27. 27.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) turmeric powder (c) chalk to mark shadows (d) a sunny open place
  28. 28.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a mirror (c) a sunny open place (d) a clock to check
  29. 29.🔦 Is tissue paper opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  30. 30.🔦 Which of these is opaque? (a) clean water (b) clear glass (c) clear plastic film (d) a steel plate
  31. 31.True or false: a battery cell is needed for the shadow clock. (a) False (b) True
  32. 32.True or false: a mirror is needed for the shadow clock. (a) True (b) False
  33. 33.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) west (c) up (d) east
  34. 34.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we change it (b) we keep it the same (c) we measure it
  35. 35.True or false: tissue paper is translucent. (a) False (b) True
  36. 36.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a mirror (c) a straight stick (d) a balloon
  37. 37.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
  38. 38.🧺 Do we need a battery cell for the shadow clock? (a) not needed (b) needed
  39. 39.🔍 Which is the odd one out? (a) a steel plate (b) a brick (c) your hand (d) clear plastic film
  40. 40.🧺 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) turmeric powder

Answer key

  1. a balloon
  2. opaque
  3. around noon
  4. False
  5. False
  6. True
  7. shadow length
  8. transparent
  9. a sunny open place
  10. True
  11. air
  12. the time of day
  13. not needed
  14. False
  15. look straight at the Sun
  16. needed
  17. False
  18. the same spot
  19. we keep it the same
  20. False
  21. False
  22. clear glass
  23. True
  24. a battery cell
  25. transparent
  26. a wooden board
  27. turmeric powder
  28. a mirror
  29. translucent
  30. a steel plate
  31. False
  32. False
  33. west
  34. we keep it the same
  35. True
  36. a straight stick
  37. needed
  38. not needed
  39. clear plastic film
  40. turmeric powder

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