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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 803 · 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.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) west (c) north (d) east
  2. 2.⚖️ 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 keep it the same (c) we change it
  3. 3.True or false: frosted glass is translucent. (a) False (b) True
  4. 4.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a balloon (c) a clock to check (d) chalk to mark shadows
  5. 5.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is the one thing we change. (a) True (b) False
  6. 6.⚖️ 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
  7. 7.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) chalk to mark shadows (d) a mirror
  8. 8.🔦 Is air opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  9. 9.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a battery cell (b) a straight stick (c) a sunny open place (d) a clock to check
  10. 10.🔦 Is a wooden board opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  11. 11.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
  12. 12.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
  13. 13.🔦 Which of these is translucent? (a) a brick (b) frosted glass (c) air (d) clear plastic film
  14. 14.True or false: clear glass is opaque. (a) False (b) True
  15. 15.⚖️ 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
  16. 16.True or false: a battery cell is not needed for the shadow clock. (a) False (b) True
  17. 17.🔦 Is clean water opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  18. 18.🔍 Which is the odd one out? (a) clean water (b) a book (c) clear glass (d) clear plastic film
  19. 19.🔦 Is butter paper opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  20. 20.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we measure it (b) we change it (c) we keep it the same
  21. 21.🔍 Which is the odd one out? (a) a wooden board (b) your hand (c) air (d) a steel plate
  22. 22.True or false: clear glass is translucent. (a) False (b) True
  23. 23.🔦 Which of these is translucent? (a) oily paper (b) a steel plate (c) a book (d) a brick
  24. 24.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a straight stick (c) a balloon (d) a sunny open place
  25. 25.🌞 When is a stick’s shadow the shortest? (a) at night (b) early morning (c) around noon (d) late evening
  26. 26.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a magnet (c) chalk to mark shadows (d) a straight stick
  27. 27.True or false: chalk to mark shadows is needed for the shadow clock. (a) True (b) False
  28. 28.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a sunny open place (c) a magnet (d) turmeric powder
  29. 29.🔦 Is a steel plate opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  30. 30.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a balloon (c) a battery cell (d) a straight stick
  31. 31.True or false: a magnet is not needed for the shadow clock. (a) True (b) False
  32. 32.📘 Why does a shadow form? (a) the ground is dark (b) light bends round it (c) the object is cold (d) an object blocks light
  33. 33.🔦 Is a book opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  34. 34.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) chalk to mark shadows (c) a mirror (d) a straight stick
  35. 35.🌍 Why does the stick’s shadow move during the day? (a) the ground slides (b) Earth keeps spinning (c) the stick walks (d) the stick grows
  36. 36.⚖️ 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 stick
  37. 37.🔦 Is your hand opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  38. 38.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) shadow length (b) the same spot (c) the same stick (d) the stick kept upright
  39. 39.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  40. 40.🧺 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) yeast (d) a sunny open place

Answer key

  1. west
  2. we keep it the same
  3. True
  4. a balloon
  5. False
  6. we keep it the same
  7. a mirror
  8. transparent
  9. a battery cell
  10. opaque
  11. needed
  12. not needed
  13. frosted glass
  14. False
  15. False
  16. True
  17. transparent
  18. a book
  19. translucent
  20. we measure it
  21. air
  22. False
  23. oily paper
  24. a balloon
  25. around noon
  26. a magnet
  27. True
  28. a sunny open place
  29. opaque
  30. a straight stick
  31. True
  32. an object blocks light
  33. opaque
  34. a mirror
  35. Earth keeps spinning
  36. the same stick
  37. opaque
  38. shadow length
  39. needed
  40. yeast

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