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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 124 · 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: oily paper is translucent. (a) False (b) True
  2. 2.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a battery cell (c) a clock to check (d) a sunny open place
  3. 3.True or false: a wooden board is translucent. (a) False (b) True
  4. 4.🧺 Which of these is not needed for the shadow clock? (a) turmeric powder (b) a sunny open place (c) a straight stick (d) a clock to check
  5. 5.🔦 Is frosted glass opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  6. 6.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a magnet (c) a sunny open place (d) a balloon
  7. 7.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) round (c) short (d) long
  8. 8.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
  9. 9.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) a raincoat (c) nothing on your head (d) a woollen sweater
  10. 10.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
  11. 11.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a straight stick (c) a balloon (d) a sunny open place
  12. 12.🧺 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) a clock to check
  13. 13.True or false: a balloon is not needed for the shadow clock. (a) True (b) False
  14. 14.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) sit in the shade (c) look straight at the Sun (d) mark with chalk
  15. 15.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a sunny open place (c) turmeric powder (d) a clock to check
  16. 16.🔦 Which of these is opaque? (a) clear plastic film (b) clean water (c) a book (d) air
  17. 17.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) yeast (b) a clock to check (c) chalk to mark shadows (d) a sunny open place
  18. 18.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
  19. 19.🌍 Why does the stick’s shadow move during the day? (a) the ground slides (b) the stick grows (c) Earth keeps spinning (d) the stick walks
  20. 20.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  21. 21.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is kept the same. (a) True (b) False
  22. 22.🔦 Is butter paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  23. 23.⚖️ 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
  24. 24.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a mirror (b) chalk to mark shadows (c) a clock to check (d) a sunny open place
  25. 25.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a battery cell (b) chalk to mark shadows (c) a straight stick (d) a clock to check
  26. 26.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
  27. 27.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
  28. 28.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) smaller (c) brighter (d) bigger
  29. 29.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
  30. 30.True or false: air is translucent. (a) False (b) True
  31. 31.🔦 Which of these is opaque? (a) air (b) clean water (c) a brick (d) frosted glass
  32. 32.True or false: your hand is opaque. (a) True (b) False
  33. 33.True or false: a sunny open place is not needed for the shadow clock. (a) True (b) False
  34. 34.⚖️ 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
  35. 35.True or false: a straight stick is not needed for the shadow clock. (a) False (b) True
  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 same stick (c) shadow length
  37. 37.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a magnet (c) a clock to check (d) a sunny open place
  38. 38.🧺 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) yeast
  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.🌞 When is a stick’s shadow the shortest? (a) around noon (b) early morning (c) at night (d) late evening

Answer key

  1. True
  2. a battery cell
  3. False
  4. turmeric powder
  5. translucent
  6. a sunny open place
  7. long
  8. needed
  9. a cap or hat
  10. not needed
  11. a balloon
  12. a magnet
  13. True
  14. look straight at the Sun
  15. turmeric powder
  16. a book
  17. yeast
  18. needed
  19. Earth keeps spinning
  20. opaque
  21. True
  22. translucent
  23. we keep it the same
  24. a mirror
  25. a battery cell
  26. True
  27. not needed
  28. bigger
  29. needed
  30. False
  31. a brick
  32. True
  33. False
  34. True
  35. False
  36. the same stick
  37. a magnet
  38. yeast
  39. we keep it the same
  40. around noon

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