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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 153 · 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.True or false: chalk to mark shadows is needed for the shadow clock. (a) True (b) False
  2. 2.🔍 Which is the odd one out? (a) a book (b) a steel plate (c) your hand (d) oily paper
  3. 3.🔦 Is tissue paper opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  4. 4.⚖️ 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 same spot
  5. 5.🌞 When is a stick’s shadow the shortest? (a) late evening (b) at night (c) early morning (d) around noon
  6. 6.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a balloon (c) chalk to mark shadows (d) a sunny open place
  7. 7.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) missing (c) long (d) round
  8. 8.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is what we measure. (a) True (b) False
  9. 9.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) yeast (c) a magnet (d) a clock to check
  10. 10.🧺 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 clock to check (d) a straight stick
  11. 11.True or false: yeast is needed for the shadow clock. (a) False (b) True
  12. 12.🕰️ What is a sundial used for? (a) weighing things (b) measuring rain (c) making rainbows (d) telling the time
  13. 13.🔦 Is clear glass opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  14. 14.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
  15. 15.🛟 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
  16. 16.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) turmeric powder (c) a clock to check (d) chalk to mark shadows
  17. 17.🔍 Which is the odd one out? (a) a steel plate (b) clear glass (c) a book (d) your hand
  18. 18.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) smaller (c) coloured (d) brighter
  19. 19.🔦 Which of these is transparent? (a) tissue paper (b) a steel plate (c) air (d) a wooden board
  20. 20.True or false: a balloon is not needed for the shadow clock. (a) False (b) True
  21. 21.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) chalk to mark shadows (c) turmeric powder (d) a sunny open place
  22. 22.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) north (c) up (d) west
  23. 23.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
  24. 24.🔍 Which is the odd one out? (a) clear glass (b) clean water (c) air (d) tissue paper
  25. 25.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a magnet (c) a clock to check (d) chalk to mark shadows
  26. 26.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) chalk to mark shadows (c) a sunny open place (d) yeast
  27. 27.🔦 Which of these is transparent? (a) a wooden board (b) butter paper (c) oily paper (d) clear plastic film
  28. 28.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
  29. 29.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
  30. 30.True or false: a straight stick is needed for the shadow clock. (a) False (b) True
  31. 31.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) False (b) True
  32. 32.True or false: a sunny open place is not needed for the shadow clock. (a) True (b) False
  33. 33.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we keep it the same (b) we measure it (c) we change it
  34. 34.True or false: turmeric powder is needed for the shadow clock. (a) False (b) True
  35. 35.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a balloon (c) turmeric powder (d) a straight stick
  36. 36.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) chalk to mark shadows (c) a straight stick (d) a mirror
  37. 37.🔦 Is a wooden board 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) the time of day (b) the same spot (c) the same stick (d) shadow length
  39. 39.True or false: oily paper is opaque. (a) False (b) True
  40. 40.🔦 Is frosted glass opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque

Answer key

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

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