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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 948 · 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: a magnet is needed for the shadow clock. (a) True (b) False
  2. 2.🛟 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
  3. 3.🔍 Which is the odd one out? (a) air (b) a steel plate (c) clear glass (d) clear plastic film
  4. 4.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) turmeric powder (c) a sunny open place (d) yeast
  5. 5.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) chalk to mark shadows (c) yeast (d) a sunny open place
  6. 6.🌞 When is a stick’s shadow the shortest? (a) at night (b) around noon (c) late evening (d) early morning
  7. 7.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) west (c) east (d) up
  8. 8.True or false: a magnet is not needed for the shadow clock. (a) True (b) False
  9. 9.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we change it (b) we measure it (c) we keep it the same
  10. 10.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) long (c) short (d) round
  11. 11.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
  12. 12.True or false: oily paper is transparent. (a) True (b) False
  13. 13.🔍 Which is the odd one out? (a) a wooden board (b) your hand (c) a book (d) clear glass
  14. 14.🔍 Which is the odd one out? (a) clear glass (b) clear plastic film (c) a brick (d) clean water
  15. 15.True or false: a clock to check is not needed for the shadow clock. (a) True (b) False
  16. 16.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
  17. 17.True or false: butter paper is transparent. (a) True (b) False
  18. 18.True or false: a straight stick is not needed for the shadow clock. (a) True (b) False
  19. 19.🔦 Which of these is translucent? (a) a book (b) clean water (c) a wooden board (d) tissue paper
  20. 20.🔦 Which of these is transparent? (a) butter paper (b) your hand (c) frosted glass (d) air
  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 stick kept upright
  22. 22.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  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 measure it (b) we change it (c) we keep it the same
  24. 24.🔦 Is clear glass opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  25. 25.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) chalk to mark shadows (c) a battery cell (d) a straight stick
  26. 26.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a magnet (b) a sunny open place (c) chalk to mark shadows (d) a straight stick
  27. 27.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a straight stick (c) chalk to mark shadows (d) a battery cell
  28. 28.🧺 Which of these is not needed for the shadow clock? (a) a balloon (b) a straight stick (c) a clock to check (d) a sunny open place
  29. 29.True or false: clear plastic film is translucent. (a) True (b) False
  30. 30.True or false: a brick is translucent. (a) True (b) False
  31. 31.🔦 Which of these is opaque? (a) clear glass (b) a book (c) clean water (d) air
  32. 32.⚖️ 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
  33. 33.🔦 Which of these is opaque? (a) oily paper (b) air (c) a steel plate (d) butter paper
  34. 34.🔦 Is clear plastic film opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  35. 35.🔦 Which of these is translucent? (a) a steel plate (b) clear plastic film (c) a book (d) oily paper
  36. 36.⚖️ 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
  37. 37.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
  38. 38.🔦 Is a book opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  39. 39.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
  40. 40.True or false: your hand is translucent. (a) False (b) True

Answer key

  1. False
  2. look straight at the Sun
  3. a steel plate
  4. a sunny open place
  5. yeast
  6. around noon
  7. west
  8. True
  9. we keep it the same
  10. long
  11. needed
  12. False
  13. clear glass
  14. a brick
  15. False
  16. not needed
  17. False
  18. False
  19. tissue paper
  20. air
  21. the stick kept upright
  22. opaque
  23. we keep it the same
  24. transparent
  25. a battery cell
  26. a magnet
  27. a battery cell
  28. a balloon
  29. False
  30. False
  31. a book
  32. False
  33. a steel plate
  34. transparent
  35. oily paper
  36. False
  37. needed
  38. opaque
  39. True
  40. False

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