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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 311 · 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) False (b) True
  2. 2.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
  3. 3.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is what we measure. (a) False (b) True
  4. 4.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a clock to check (c) yeast (d) turmeric powder
  5. 5.🔦 Which of these is translucent? (a) clear glass (b) your hand (c) clean water (d) tissue paper
  6. 6.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) True (b) False
  7. 7.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
  8. 8.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) wear a cap (c) mark with chalk (d) sit in the shade
  9. 9.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we change it (b) we keep it the same (c) we measure it
  10. 10.🔦 Which of these is opaque? (a) oily paper (b) a brick (c) clear plastic film (d) clear glass
  11. 11.🕰️ What is a sundial used for? (a) measuring rain (b) weighing things (c) making rainbows (d) telling the time
  12. 12.True or false: a steel plate is translucent. (a) True (b) False
  13. 13.⚖️ 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
  14. 14.🧺 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) turmeric powder
  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 keep it the same (b) we change it (c) we measure it
  16. 16.🌍 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
  17. 17.True or false: a book is translucent. (a) True (b) False
  18. 18.⚖️ 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
  19. 19.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a straight stick (c) chalk to mark shadows (d) yeast
  20. 20.🔍 Which is the odd one out? (a) a brick (b) a wooden board (c) oily paper (d) a book
  21. 21.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) a magnet (d) chalk to mark shadows
  22. 22.🔍 Which is the odd one out? (a) clear glass (b) clean water (c) a steel plate (d) air
  23. 23.True or false: butter paper is translucent. (a) False (b) True
  24. 24.🔦 Is clear plastic film opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  25. 25.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
  26. 26.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) long (c) short (d) round
  27. 27.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
  28. 28.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) chalk to mark shadows (c) a sunny open place (d) a balloon
  29. 29.🔦 Which of these is opaque? (a) clear glass (b) a wooden board (c) clean water (d) tissue paper
  30. 30.🔦 Which of these is transparent? (a) a wooden board (b) frosted glass (c) tissue paper (d) clean water
  31. 31.True or false: tissue paper is opaque. (a) True (b) False
  32. 32.True or false: a magnet is not needed for the shadow clock. (a) True (b) False
  33. 33.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a clock to check (c) yeast (d) a sunny open place
  34. 34.🌞 When is a stick’s shadow the shortest? (a) at night (b) early morning (c) late evening (d) around noon
  35. 35.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) west (b) east (c) up (d) north
  36. 36.🔦 Which of these is opaque? (a) your hand (b) air (c) clean water (d) frosted glass
  37. 37.🔍 Which is the odd one out? (a) your hand (b) a brick (c) clear glass (d) a book
  38. 38.True or false: a balloon is not needed for the shadow clock. (a) True (b) False
  39. 39.True or false: tissue paper is transparent. (a) True (b) False
  40. 40.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) shadow length (b) the stick kept upright (c) the same spot (d) the time of day

Answer key

  1. True
  2. not needed
  3. False
  4. a clock to check
  5. tissue paper
  6. False
  7. not needed
  8. look straight at the Sun
  9. we keep it the same
  10. a brick
  11. telling the time
  12. False
  13. the same spot
  14. turmeric powder
  15. we keep it the same
  16. Earth keeps spinning
  17. False
  18. we change it
  19. yeast
  20. oily paper
  21. a magnet
  22. a steel plate
  23. True
  24. transparent
  25. needed
  26. long
  27. needed
  28. a balloon
  29. a wooden board
  30. clean water
  31. False
  32. True
  33. yeast
  34. around noon
  35. west
  36. your hand
  37. clear glass
  38. True
  39. False
  40. shadow length

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