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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 167 · 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: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) round (c) missing (d) long
  2. 2.🔮 Predict: on a fully cloudy day, the sundial ___. (a) does not work well (b) works better (c) shows two times (d) runs faster
  3. 3.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
  4. 4.True or false: a clock to check is needed for the shadow clock. (a) False (b) True
  5. 5.🔦 Which of these is translucent? (a) a wooden board (b) frosted glass (c) a book (d) a brick
  6. 6.🔍 Which is the odd one out? (a) oily paper (b) a brick (c) tissue paper (d) butter paper
  7. 7.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) shadow length (b) the time of day (c) the same stick (d) the same spot
  8. 8.True or false: a balloon is not needed for the shadow clock. (a) False (b) True
  9. 9.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  10. 10.⚖️ 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
  11. 11.🔦 Is clear glass opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  12. 12.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) chalk to mark shadows (c) a sunny open place (d) yeast
  13. 13.True or false: chalk to mark shadows is not needed for the shadow clock. (a) True (b) False
  14. 14.True or false: a book is transparent. (a) False (b) True
  15. 15.🔦 Is your hand opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  16. 16.True or false: a brick is opaque. (a) True (b) False
  17. 17.🔍 Which is the odd one out? (a) frosted glass (b) clean water (c) air (d) clear plastic film
  18. 18.🔦 Which of these is opaque? (a) clear plastic film (b) air (c) clean water (d) a book
  19. 19.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) up (c) north (d) west
  20. 20.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) chalk to mark shadows (d) a balloon
  21. 21.🔦 Which of these is translucent? (a) clean water (b) a steel plate (c) oily paper (d) a book
  22. 22.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) mark with chalk (c) wear a cap (d) look straight at the Sun
  23. 23.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a mirror (b) a sunny open place (c) chalk to mark shadows (d) a straight stick
  24. 24.🔦 Which of these is transparent? (a) your hand (b) a brick (c) a book (d) clear plastic film
  25. 25.🔍 Which is the odd one out? (a) butter paper (b) oily paper (c) tissue paper (d) your hand
  26. 26.⚖️ 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
  27. 27.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
  28. 28.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a magnet (b) a sunny open place (c) a straight stick (d) chalk to mark shadows
  29. 29.🛟 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
  30. 30.True or false: a battery cell is not needed for the shadow clock. (a) False (b) True
  31. 31.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) a sunny open place (c) a straight stick (d) chalk to mark shadows
  32. 32.🔍 Which is the odd one out? (a) a brick (b) a wooden board (c) butter paper (d) a book
  33. 33.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a magnet (c) yeast (d) a straight stick
  34. 34.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a clock to check (c) chalk to mark shadows (d) a battery cell
  35. 35.🧺 Which of these is needed for the shadow clock? (a) chalk to mark shadows (b) yeast (c) turmeric powder (d) a mirror
  36. 36.⚖️ 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 stick kept upright (c) shadow length
  37. 37.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
  38. 38.True or false: tissue paper is transparent. (a) True (b) False
  39. 39.True or false: butter paper is opaque. (a) True (b) False
  40. 40.🧺 Do we need a battery cell for the shadow clock? (a) not needed (b) needed

Answer key

  1. long
  2. does not work well
  3. needed
  4. True
  5. frosted glass
  6. a brick
  7. the time of day
  8. True
  9. translucent
  10. we measure it
  11. transparent
  12. yeast
  13. False
  14. False
  15. opaque
  16. True
  17. frosted glass
  18. a book
  19. west
  20. a balloon
  21. oily paper
  22. look straight at the Sun
  23. a mirror
  24. clear plastic film
  25. your hand
  26. we change it
  27. not needed
  28. a magnet
  29. a cap or hat
  30. True
  31. turmeric powder
  32. butter paper
  33. a straight stick
  34. a battery cell
  35. chalk to mark shadows
  36. the stick kept upright
  37. not needed
  38. False
  39. False
  40. not needed

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