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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 977 · 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: butter paper is transparent. (a) True (b) False
  2. 2.🔍 Which is the odd one out? (a) clean water (b) clear glass (c) air (d) oily paper
  3. 3.True or false: turmeric powder is not needed for the shadow clock. (a) False (b) True
  4. 4.🔦 Is frosted glass opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  5. 5.⚖️ 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
  6. 6.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
  7. 7.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  8. 8.⚖️ 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 measure it (c) we change it
  9. 9.🔦 Is air opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  10. 10.⚖️ 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) True (b) False
  11. 11.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) chalk to mark shadows (c) a straight stick (d) yeast
  12. 12.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) mark with chalk (c) look straight at the Sun (d) wear a cap
  13. 13.🌞 When is a stick’s shadow the shortest? (a) early morning (b) at night (c) late evening (d) around noon
  14. 14.🔦 Is oily paper opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  15. 15.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) nothing on your head (c) a raincoat (d) a woollen sweater
  16. 16.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
  17. 17.⚖️ 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 stick (c) the stick kept upright (d) the same spot
  18. 18.🔦 Which of these is translucent? (a) your hand (b) a wooden board (c) a steel plate (d) oily paper
  19. 19.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  20. 20.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) long (c) short (d) missing
  21. 21.⚖️ 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 same spot
  22. 22.🔦 Is butter paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  23. 23.🔦 Which of these is opaque? (a) air (b) frosted glass (c) oily paper (d) your hand
  24. 24.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is the one thing we change. (a) True (b) False
  25. 25.True or false: yeast is not needed for the shadow clock. (a) True (b) False
  26. 26.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we measure it (b) we keep it the same (c) we change it
  27. 27.🧺 Which of these is not needed for the shadow clock? (a) a balloon (b) a straight stick (c) a clock to check (d) chalk to mark shadows
  28. 28.True or false: a battery cell is not needed for the shadow clock. (a) False (b) True
  29. 29.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
  30. 30.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a battery cell (c) chalk to mark shadows (d) turmeric powder
  31. 31.🔦 Which of these is opaque? (a) butter paper (b) a wooden board (c) frosted glass (d) tissue paper
  32. 32.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is the one thing we change. (a) False (b) True
  33. 33.⚖️ 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) shadow length (c) the same spot (d) the time of day
  34. 34.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
  35. 35.🔍 Which is the odd one out? (a) clear plastic film (b) clean water (c) tissue paper (d) air
  36. 36.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) west (c) up (d) east
  37. 37.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) False (b) True
  38. 38.True or false: your hand is opaque. (a) False (b) True
  39. 39.🧺 Which of these is needed for the shadow clock? (a) a straight stick (b) a balloon (c) a mirror (d) a magnet
  40. 40.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a straight stick (c) a sunny open place (d) turmeric powder

Answer key

  1. False
  2. oily paper
  3. True
  4. translucent
  5. the stick kept upright
  6. not needed
  7. opaque
  8. we keep it the same
  9. transparent
  10. True
  11. yeast
  12. look straight at the Sun
  13. around noon
  14. translucent
  15. a cap or hat
  16. not needed
  17. the time of day
  18. oily paper
  19. needed
  20. long
  21. the same spot
  22. translucent
  23. your hand
  24. False
  25. True
  26. we measure it
  27. a balloon
  28. True
  29. needed
  30. chalk to mark shadows
  31. a wooden board
  32. True
  33. shadow length
  34. not needed
  35. tissue paper
  36. west
  37. False
  38. True
  39. a straight stick
  40. turmeric powder

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