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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 334 · 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.⚖️ 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 measure it (c) we keep it the same
  2. 2.🔦 Is frosted glass opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  3. 3.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a straight stick (c) a sunny open place (d) a balloon
  4. 4.🔍 Which is the odd one out? (a) air (b) clean water (c) butter paper (d) clear plastic film
  5. 5.🛟 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
  6. 6.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  7. 7.True or false: a balloon is not needed for the shadow clock. (a) True (b) False
  8. 8.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a cap or hat (c) a woollen sweater (d) a raincoat
  9. 9.🔦 Is a wooden board opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  10. 10.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) a straight stick (c) a clock to check (d) a sunny open place
  11. 11.🔦 Is a brick opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  12. 12.True or false: air is transparent. (a) False (b) True
  13. 13.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
  14. 14.🔍 Which is the odd one out? (a) a wooden board (b) clear plastic film (c) clear glass (d) clean water
  15. 15.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) yeast (c) a battery cell (d) a clock to check
  16. 16.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) short (c) long (d) round
  17. 17.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is the one thing we change. (a) True (b) False
  18. 18.🔦 Which of these is translucent? (a) a brick (b) clear glass (c) oily paper (d) your hand
  19. 19.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the time of day (b) the same stick (c) shadow length
  20. 20.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) shows two times (c) does not work well (d) runs faster
  21. 21.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a mirror (b) a straight stick (c) a clock to check (d) a sunny open place
  22. 22.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a magnet (c) yeast (d) chalk to mark shadows
  23. 23.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
  24. 24.🕰️ What is a sundial used for? (a) telling the time (b) making rainbows (c) weighing things (d) measuring rain
  25. 25.True or false: oily paper is translucent. (a) True (b) False
  26. 26.🔦 Which of these is transparent? (a) a wooden board (b) your hand (c) air (d) oily paper
  27. 27.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  28. 28.🔍 Which is the odd one out? (a) oily paper (b) tissue paper (c) clean water (d) butter paper
  29. 29.🔦 Which of these is translucent? (a) clear glass (b) butter paper (c) a book (d) a wooden board
  30. 30.True or false: a clock to check is not needed for the shadow clock. (a) True (b) False
  31. 31.⚖️ 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) True (b) False
  32. 32.True or false: a straight stick is needed for the shadow clock. (a) True (b) False
  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) the stick kept upright (c) shadow length (d) the same spot
  34. 34.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
  35. 35.🔦 Is clear plastic film opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  36. 36.True or false: tissue paper is translucent. (a) True (b) False
  37. 37.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) west (c) east (d) up
  38. 38.⚖️ 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
  39. 39.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a mirror (c) a sunny open place (d) a clock to check
  40. 40.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a sunny open place (c) chalk to mark shadows (d) a battery cell

Answer key

  1. we keep it the same
  2. translucent
  3. a balloon
  4. butter paper
  5. look straight at the Sun
  6. opaque
  7. True
  8. a cap or hat
  9. opaque
  10. turmeric powder
  11. opaque
  12. True
  13. needed
  14. a wooden board
  15. a clock to check
  16. long
  17. False
  18. oily paper
  19. the same stick
  20. does not work well
  21. a mirror
  22. chalk to mark shadows
  23. needed
  24. telling the time
  25. True
  26. air
  27. needed
  28. clean water
  29. butter paper
  30. False
  31. True
  32. True
  33. shadow length
  34. not needed
  35. transparent
  36. True
  37. west
  38. False
  39. a mirror
  40. a battery cell

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