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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 341 · 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.🔮 Predict: on a fully cloudy day, the sundial ___. (a) shows two times (b) works better (c) does not work well (d) runs faster
  2. 2.True or false: oily paper is transparent. (a) True (b) False
  3. 3.🔍 Which is the odd one out? (a) your hand (b) a wooden board (c) a brick (d) tissue paper
  4. 4.True or false: turmeric powder is not needed for the shadow clock. (a) False (b) True
  5. 5.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
  6. 6.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a clock to check (c) a magnet (d) chalk to mark shadows
  7. 7.🔦 Which of these is transparent? (a) frosted glass (b) air (c) tissue paper (d) butter paper
  8. 8.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same stick (b) the same spot (c) shadow length (d) the time of day
  9. 9.🔍 Which is the odd one out? (a) tissue paper (b) butter paper (c) a book (d) oily paper
  10. 10.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is what we measure. (a) False (b) True
  11. 11.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a balloon (c) a sunny open place (d) a clock to check
  12. 12.🌞 When is a stick’s shadow the shortest? (a) early morning (b) late evening (c) around noon (d) at night
  13. 13.True or false: tissue paper is opaque. (a) False (b) True
  14. 14.🔦 Is a book opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  15. 15.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
  16. 16.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a sunny open place (c) a balloon (d) a mirror
  17. 17.True or false: a wooden board is translucent. (a) False (b) True
  18. 18.True or false: a mirror is needed for the shadow clock. (a) True (b) False
  19. 19.True or false: a clock to check is needed for the shadow clock. (a) True (b) False
  20. 20.🕰️ What is a sundial used for? (a) measuring rain (b) weighing things (c) making rainbows (d) telling the time
  21. 21.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the time of day (b) the same spot (c) shadow length (d) the same stick
  22. 22.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is kept the same. (a) False (b) True
  23. 23.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is what we measure. (a) False (b) True
  24. 24.🔍 Which is the odd one out? (a) tissue paper (b) frosted glass (c) butter paper (d) a steel plate
  25. 25.True or false: clear plastic film is transparent. (a) True (b) False
  26. 26.🔦 Which of these is opaque? (a) frosted glass (b) oily paper (c) clean water (d) a brick
  27. 27.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is what we measure. (a) True (b) False
  28. 28.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) up (c) east (d) west
  29. 29.True or false: a battery cell is not needed for the shadow clock. (a) True (b) False
  30. 30.True or false: clear plastic film is opaque. (a) False (b) True
  31. 31.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  32. 32.🔦 Which of these is translucent? (a) clean water (b) a brick (c) frosted glass (d) air
  33. 33.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) sit in the shade (c) mark with chalk (d) wear a cap
  34. 34.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
  35. 35.🔦 Is clear glass opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  36. 36.🔦 Which of these is translucent? (a) a steel plate (b) tissue paper (c) clear plastic film (d) your hand
  37. 37.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is what we measure. (a) False (b) True
  38. 38.🧺 Which of these is not needed for the shadow clock? (a) a mirror (b) a clock to check (c) chalk to mark shadows (d) a sunny open place
  39. 39.⚖️ 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
  40. 40.⚖️ 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

Answer key

  1. does not work well
  2. False
  3. tissue paper
  4. True
  5. not needed
  6. a magnet
  7. air
  8. shadow length
  9. a book
  10. True
  11. a balloon
  12. around noon
  13. False
  14. opaque
  15. needed
  16. a sunny open place
  17. False
  18. False
  19. True
  20. telling the time
  21. the time of day
  22. True
  23. False
  24. a steel plate
  25. True
  26. a brick
  27. False
  28. west
  29. True
  30. False
  31. translucent
  32. frosted glass
  33. look straight at the Sun
  34. not needed
  35. transparent
  36. tissue paper
  37. False
  38. a mirror
  39. we keep it the same
  40. we measure it

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