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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 514 · 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: yeast is not needed for the shadow clock. (a) False (b) True
  2. 2.True or false: clean water is transparent. (a) False (b) True
  3. 3.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a balloon (b) a sunny open place (c) a clock to check (d) a straight stick
  4. 4.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a sunny open place (c) a straight stick (d) a magnet
  5. 5.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a balloon (c) a straight stick (d) a mirror
  6. 6.True or false: a balloon is needed for the shadow clock. (a) True (b) False
  7. 7.🔍 Which is the odd one out? (a) clean water (b) air (c) a book (d) clear glass
  8. 8.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
  9. 9.🌞 When is a stick’s shadow the shortest? (a) late evening (b) around noon (c) early morning (d) at night
  10. 10.🔦 Which of these is translucent? (a) a brick (b) clear plastic film (c) clean water (d) tissue paper
  11. 11.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the ground slides (c) the stick walks (d) the stick grows
  12. 12.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a sunny open place (c) yeast (d) chalk to mark shadows
  13. 13.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) west (c) east (d) up
  14. 14.🔍 Which is the odd one out? (a) your hand (b) a steel plate (c) frosted glass (d) a brick
  15. 15.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) brighter (c) bigger (d) coloured
  16. 16.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) mark with chalk (c) sit in the shade (d) look straight at the Sun
  17. 17.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
  18. 18.🕰️ What is a sundial used for? (a) making rainbows (b) telling the time (c) measuring rain (d) weighing things
  19. 19.🔍 Which is the odd one out? (a) clear glass (b) your hand (c) a wooden board (d) a brick
  20. 20.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
  21. 21.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is what we measure. (a) True (b) False
  22. 22.🧺 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) a balloon
  23. 23.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
  24. 24.⚖️ 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 stick kept upright
  25. 25.True or false: a battery cell is needed for the shadow clock. (a) True (b) False
  26. 26.🔦 Is a steel plate opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  27. 27.🔦 Is clear plastic film opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  28. 28.🔮 Predict: on a fully cloudy day, the sundial ___. (a) shows two times (b) works better (c) runs faster (d) does not work well
  29. 29.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) chalk to mark shadows (c) a clock to check (d) a sunny open place
  30. 30.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
  31. 31.🔦 Which of these is transparent? (a) a wooden board (b) clear glass (c) your hand (d) a book
  32. 32.True or false: a steel plate is opaque. (a) False (b) True
  33. 33.⚖️ 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
  34. 34.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we measure it (b) we keep it the same (c) we change it
  35. 35.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is the one thing we change. (a) True (b) False
  36. 36.🔦 Is oily paper opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  37. 37.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
  38. 38.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
  39. 39.True or false: frosted glass is translucent. (a) False (b) True
  40. 40.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed

Answer key

  1. True
  2. True
  3. a balloon
  4. a magnet
  5. a straight stick
  6. False
  7. a book
  8. not needed
  9. around noon
  10. tissue paper
  11. Earth keeps spinning
  12. yeast
  13. west
  14. frosted glass
  15. bigger
  16. look straight at the Sun
  17. not needed
  18. telling the time
  19. clear glass
  20. False
  21. True
  22. a balloon
  23. needed
  24. the stick kept upright
  25. False
  26. opaque
  27. transparent
  28. does not work well
  29. turmeric powder
  30. not needed
  31. clear glass
  32. True
  33. we change it
  34. we keep it the same
  35. False
  36. translucent
  37. needed
  38. not needed
  39. True
  40. not needed

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