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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 398 · 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 stick”? (a) we measure it (b) we change it (c) we keep it the same
  2. 2.🔍 Which is the odd one out? (a) a brick (b) a wooden board (c) tissue paper (d) your hand
  3. 3.🔦 Which of these is opaque? (a) oily paper (b) a brick (c) air (d) frosted glass
  4. 4.🔍 Which is the odd one out? (a) butter paper (b) oily paper (c) frosted glass (d) clear glass
  5. 5.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
  6. 6.True or false: a straight stick is needed for the shadow clock. (a) True (b) False
  7. 7.True or false: clear plastic film is opaque. (a) True (b) False
  8. 8.🔦 Which of these is translucent? (a) oily paper (b) clear glass (c) a steel plate (d) a book
  9. 9.🔦 Is clean water opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  10. 10.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a balloon (b) a clock to check (c) chalk to mark shadows (d) a straight stick
  11. 11.True or false: a wooden board is translucent. (a) True (b) False
  12. 12.🔦 Is a book opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  13. 13.🔦 Which of these is opaque? (a) frosted glass (b) oily paper (c) a wooden board (d) air
  14. 14.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) round (c) long (d) short
  15. 15.⚖️ 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
  16. 16.🔦 Is a brick opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  17. 17.⚖️ 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
  18. 18.🔍 Which is the odd one out? (a) a steel plate (b) a brick (c) clean water (d) a wooden board
  19. 19.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
  20. 20.🔦 Is your hand opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  21. 21.🔦 Which of these is transparent? (a) air (b) frosted glass (c) a brick (d) oily paper
  22. 22.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the same stick (b) shadow length (c) the stick kept upright (d) the time of day
  23. 23.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the time of day (b) the same stick (c) the same spot (d) shadow length
  24. 24.🧺 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 magnet (d) a sunny open place
  25. 25.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a battery cell (c) chalk to mark shadows (d) a straight stick
  26. 26.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) east (c) up (d) west
  27. 27.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) turmeric powder (c) a straight stick (d) a sunny open place
  28. 28.🔦 Is a steel plate opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  29. 29.🔍 Which is the odd one out? (a) your hand (b) a wooden board (c) a steel plate (d) clear plastic film
  30. 30.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is what we measure. (a) True (b) False
  31. 31.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a battery cell (c) a straight stick (d) a magnet
  32. 32.True or false: clean water is translucent. (a) True (b) False
  33. 33.True or false: tissue paper is translucent. (a) False (b) True
  34. 34.True or false: a brick is transparent. (a) True (b) False
  35. 35.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) True (b) False
  36. 36.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) look straight at the Sun (c) mark with chalk (d) sit in the shade
  37. 37.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  38. 38.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
  39. 39.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a clock to check (c) a straight stick (d) a magnet
  40. 40.True or false: air is translucent. (a) False (b) True

Answer key

  1. we keep it the same
  2. tissue paper
  3. a brick
  4. clear glass
  5. needed
  6. True
  7. False
  8. oily paper
  9. transparent
  10. a balloon
  11. False
  12. opaque
  13. a wooden board
  14. long
  15. False
  16. opaque
  17. we keep it the same
  18. clean water
  19. needed
  20. opaque
  21. air
  22. the time of day
  23. shadow length
  24. a magnet
  25. a battery cell
  26. west
  27. turmeric powder
  28. opaque
  29. clear plastic film
  30. False
  31. a straight stick
  32. False
  33. True
  34. False
  35. True
  36. look straight at the Sun
  37. opaque
  38. needed
  39. a magnet
  40. False

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