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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 41 · 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.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a magnet (c) a sunny open place (d) turmeric powder
  2. 2.🔍 Which is the odd one out? (a) tissue paper (b) a wooden board (c) butter paper (d) oily paper
  3. 3.🔦 Is frosted glass opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  4. 4.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a balloon (c) a battery cell (d) chalk to mark shadows
  5. 5.🔍 Which is the odd one out? (a) your hand (b) tissue paper (c) frosted glass (d) butter paper
  6. 6.True or false: a book is transparent. (a) True (b) False
  7. 7.True or false: yeast is needed for the shadow clock. (a) True (b) False
  8. 8.🔦 Which of these is translucent? (a) a wooden board (b) clear plastic film (c) butter paper (d) a book
  9. 9.🕰️ What is a sundial used for? (a) weighing things (b) telling the time (c) making rainbows (d) measuring rain
  10. 10.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
  11. 11.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we change it (b) we keep it the same (c) we measure it
  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) shadow length (b) the time of day (c) the same stick (d) the stick kept upright
  13. 13.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  14. 14.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a mirror (b) a straight stick (c) chalk to mark shadows (d) a sunny open place
  15. 15.⚖️ 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
  16. 16.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
  17. 17.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) sit in the shade (c) wear a cap (d) mark with chalk
  18. 18.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) north (c) east (d) west
  19. 19.🔍 Which is the odd one out? (a) clean water (b) clear glass (c) a book (d) clear plastic film
  20. 20.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a straight stick (c) a balloon (d) a mirror
  21. 21.🔍 Which is the odd one out? (a) clear plastic film (b) tissue paper (c) air (d) clean water
  22. 22.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
  23. 23.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same spot (b) the stick kept upright (c) shadow length (d) the same stick
  24. 24.True or false: frosted glass is opaque. (a) False (b) True
  25. 25.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the stick grows (c) the ground slides (d) the stick walks
  26. 26.True or false: air is transparent. (a) False (b) True
  27. 27.⚖️ 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
  28. 28.True or false: a straight stick is needed for the shadow clock. (a) True (b) False
  29. 29.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) shadow length (b) the time of day (c) the same stick
  30. 30.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
  31. 31.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a magnet (c) a straight stick (d) chalk to mark shadows
  32. 32.🔦 Which of these is translucent? (a) oily paper (b) a steel plate (c) clear glass (d) a book
  33. 33.🔦 Is clear plastic film opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  34. 34.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  35. 35.🌞 When is a stick’s shadow the shortest? (a) early morning (b) at night (c) late evening (d) around noon
  36. 36.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) smaller (c) bigger (d) coloured
  37. 37.🔍 Which is the odd one out? (a) a steel plate (b) a wooden board (c) a book (d) oily paper
  38. 38.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) yeast (c) a straight stick (d) chalk to mark shadows
  39. 39.🔦 Is clean water opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  40. 40.🔍 Which is the odd one out? (a) air (b) frosted glass (c) clear plastic film (d) clear glass

Answer key

  1. a sunny open place
  2. a wooden board
  3. translucent
  4. chalk to mark shadows
  5. your hand
  6. False
  7. False
  8. butter paper
  9. telling the time
  10. needed
  11. we measure it
  12. the time of day
  13. translucent
  14. a mirror
  15. we keep it the same
  16. not needed
  17. look straight at the Sun
  18. west
  19. a book
  20. a straight stick
  21. tissue paper
  22. needed
  23. shadow length
  24. False
  25. Earth keeps spinning
  26. True
  27. we keep it the same
  28. True
  29. the same stick
  30. not needed
  31. a magnet
  32. oily paper
  33. transparent
  34. opaque
  35. around noon
  36. bigger
  37. oily paper
  38. yeast
  39. transparent
  40. frosted glass

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