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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 438 · 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.🔦 Which of these is opaque? (a) a book (b) clear glass (c) frosted glass (d) oily paper
  2. 2.🔦 Is a book opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  3. 3.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
  4. 4.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is what we measure. (a) True (b) False
  5. 5.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the stick kept upright (b) shadow length (c) the same stick (d) the same spot
  6. 6.🌍 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
  7. 7.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) nothing on your head (c) a woollen sweater (d) a raincoat
  8. 8.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) smaller (c) brighter (d) coloured
  9. 9.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
  10. 10.🔦 Which of these is translucent? (a) a wooden board (b) air (c) clean water (d) frosted glass
  11. 11.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  12. 12.True or false: a steel plate is translucent. (a) False (b) True
  13. 13.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
  14. 14.🌞 When is a stick’s shadow the shortest? (a) around noon (b) at night (c) late evening (d) early morning
  15. 15.⚖️ 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
  16. 16.True or false: a book is transparent. (a) False (b) True
  17. 17.🔦 Is oily paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  18. 18.🔦 Is a brick opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  19. 19.🧺 Which of these is needed for the shadow clock? (a) a straight stick (b) a battery cell (c) a balloon (d) a mirror
  20. 20.🔍 Which is the odd one out? (a) air (b) your hand (c) clean water (d) clear glass
  21. 21.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a magnet (b) chalk to mark shadows (c) a sunny open place (d) a straight stick
  22. 22.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) mark with chalk (c) look straight at the Sun (d) sit in the shade
  23. 23.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a battery cell (b) a clock to check (c) chalk to mark shadows (d) a sunny open place
  24. 24.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) a clock to check (c) a sunny open place (d) chalk to mark shadows
  25. 25.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a sunny open place (c) a magnet (d) a balloon
  26. 26.🔍 Which is the odd one out? (a) frosted glass (b) clear glass (c) air (d) clear plastic film
  27. 27.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a straight stick (c) chalk to mark shadows (d) yeast
  28. 28.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we keep it the same (b) we change it (c) we measure it
  29. 29.🔦 Which of these is opaque? (a) frosted glass (b) your hand (c) oily paper (d) clear glass
  30. 30.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
  31. 31.⚖️ 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
  32. 32.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) long (b) missing (c) short (d) round
  33. 33.🔍 Which is the odd one out? (a) a wooden board (b) a book (c) clear glass (d) a brick
  34. 34.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the same spot (b) the time of day (c) shadow length
  35. 35.True or false: a clock to check is needed for the shadow clock. (a) False (b) True
  36. 36.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
  37. 37.🔮 Predict: on a fully cloudy day, the sundial ___. (a) shows two times (b) runs faster (c) does not work well (d) works better
  38. 38.True or false: clear plastic film is translucent. (a) False (b) True
  39. 39.True or false: chalk to mark shadows is not needed for the shadow clock. (a) True (b) False
  40. 40.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) east (c) west (d) north

Answer key

  1. a book
  2. opaque
  3. not needed
  4. False
  5. shadow length
  6. Earth keeps spinning
  7. a cap or hat
  8. bigger
  9. needed
  10. frosted glass
  11. opaque
  12. False
  13. needed
  14. around noon
  15. we change it
  16. False
  17. translucent
  18. opaque
  19. a straight stick
  20. your hand
  21. a magnet
  22. look straight at the Sun
  23. a battery cell
  24. turmeric powder
  25. a sunny open place
  26. frosted glass
  27. yeast
  28. we keep it the same
  29. your hand
  30. needed
  31. we measure it
  32. long
  33. clear glass
  34. the same spot
  35. True
  36. not needed
  37. does not work well
  38. False
  39. False
  40. west

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