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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 237 · 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.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) sit in the shade (c) mark with chalk (d) look straight at the Sun
  2. 2.True or false: turmeric powder is needed for the shadow clock. (a) False (b) True
  3. 3.🔦 Is clear plastic film opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  4. 4.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we keep it the same (b) we measure it (c) we change it
  5. 5.⚖️ 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 change it (c) we measure it
  6. 6.True or false: your hand is transparent. (a) True (b) False
  7. 7.🔦 Which of these is opaque? (a) tissue paper (b) a steel plate (c) air (d) frosted glass
  8. 8.True or false: frosted glass is translucent. (a) True (b) False
  9. 9.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a clock to check (c) a straight stick (d) a mirror
  10. 10.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a straight stick (c) a balloon (d) a mirror
  11. 11.True or false: a sunny open place is not needed for the shadow clock. (a) True (b) False
  12. 12.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) missing (c) short (d) long
  13. 13.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) yeast (c) a sunny open place (d) a balloon
  14. 14.🌍 Why does the stick’s shadow move during the day? (a) the stick grows (b) the ground slides (c) Earth keeps spinning (d) the stick walks
  15. 15.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a straight stick (c) turmeric powder (d) a clock to check
  16. 16.True or false: a book is opaque. (a) True (b) False
  17. 17.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
  18. 18.🔦 Which of these is transparent? (a) a steel plate (b) tissue paper (c) a brick (d) clean water
  19. 19.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
  20. 20.🌞 When is a stick’s shadow the shortest? (a) at night (b) early morning (c) late evening (d) around noon
  21. 21.🔍 Which is the odd one out? (a) your hand (b) clean water (c) a wooden board (d) a brick
  22. 22.⚖️ 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 same spot (c) the stick kept upright (d) the time of day
  23. 23.⚖️ 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
  24. 24.True or false: yeast is not needed for the shadow clock. (a) True (b) False
  25. 25.🔍 Which is the odd one out? (a) a brick (b) your hand (c) oily paper (d) a steel plate
  26. 26.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a balloon (c) a straight stick (d) a clock to check
  27. 27.True or false: a battery cell is not needed for the shadow clock. (a) False (b) True
  28. 28.🔍 Which is the odd one out? (a) clean water (b) butter paper (c) clear plastic film (d) clear glass
  29. 29.True or false: turmeric powder is not needed for the shadow clock. (a) False (b) True
  30. 30.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a magnet (c) a sunny open place (d) a straight stick
  31. 31.True or false: a magnet is needed for the shadow clock. (a) False (b) True
  32. 32.True or false: tissue paper is translucent. (a) False (b) True
  33. 33.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the same stick (b) the time of day (c) shadow length
  34. 34.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a straight stick (c) a sunny open place (d) a magnet
  35. 35.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) east (c) up (d) west
  36. 36.True or false: a straight stick is needed for the shadow clock. (a) True (b) False
  37. 37.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) does not work well (c) shows two times (d) works better
  38. 38.🔦 Which of these is transparent? (a) tissue paper (b) air (c) a book (d) a steel plate
  39. 39.True or false: air is transparent. (a) False (b) True
  40. 40.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) a cap or hat (c) nothing on your head (d) a woollen sweater

Answer key

  1. look straight at the Sun
  2. False
  3. transparent
  4. we change it
  5. we keep it the same
  6. False
  7. a steel plate
  8. True
  9. a mirror
  10. a straight stick
  11. False
  12. long
  13. a sunny open place
  14. Earth keeps spinning
  15. turmeric powder
  16. True
  17. not needed
  18. clean water
  19. needed
  20. around noon
  21. clean water
  22. the time of day
  23. we keep it the same
  24. True
  25. oily paper
  26. a balloon
  27. True
  28. butter paper
  29. True
  30. a magnet
  31. False
  32. True
  33. the same stick
  34. a magnet
  35. west
  36. True
  37. does not work well
  38. air
  39. True
  40. a cap or hat

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