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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 894 · 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: turmeric powder is not needed for the shadow clock. (a) False (b) True
  2. 2.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is kept the same. (a) False (b) True
  3. 3.True or false: frosted glass is transparent. (a) True (b) False
  4. 4.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) yeast (c) a battery cell (d) a clock to check
  5. 5.🔦 Which of these is translucent? (a) frosted glass (b) a book (c) a wooden board (d) your hand
  6. 6.True or false: a book is transparent. (a) False (b) True
  7. 7.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
  8. 8.🔍 Which is the odd one out? (a) a steel plate (b) a book (c) a wooden board (d) tissue paper
  9. 9.⚖️ 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 spot (b) the same stick (c) the time of day (d) the stick kept upright
  10. 10.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the stick grows (c) the ground slides (d) the stick walks
  11. 11.🔦 Is clean water opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  12. 12.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we change it (b) we keep it the same (c) we measure it
  13. 13.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) round (c) short (d) long
  14. 14.🧺 Which of these is needed for the shadow clock? (a) chalk to mark shadows (b) turmeric powder (c) a balloon (d) a magnet
  15. 15.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) nothing on your head (c) a cap or hat (d) a raincoat
  16. 16.🔦 Is clear plastic film opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  17. 17.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is what we measure. (a) False (b) True
  18. 18.🧺 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
  19. 19.🧺 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) yeast (d) a clock to check
  20. 20.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  21. 21.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
  22. 22.True or false: a wooden board is transparent. (a) False (b) True
  23. 23.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
  24. 24.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) west (c) north (d) up
  25. 25.🔦 Which of these is opaque? (a) your hand (b) air (c) clean water (d) oily paper
  26. 26.🧺 Which of these is not needed for the shadow clock? (a) a magnet (b) a sunny open place (c) a straight stick (d) a clock to check
  27. 27.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) wear a cap (c) look straight at the Sun (d) sit in the shade
  28. 28.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we keep it the same (b) we change it (c) we measure it
  29. 29.🔦 Which of these is translucent? (a) a book (b) butter paper (c) air (d) clear glass
  30. 30.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we measure it (b) we keep it the same (c) we change it
  31. 31.True or false: butter paper is opaque. (a) False (b) True
  32. 32.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a mirror (b) a straight stick (c) a sunny open place (d) a clock to check
  33. 33.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
  34. 34.🔍 Which is the odd one out? (a) tissue paper (b) oily paper (c) clear glass (d) butter paper
  35. 35.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the stick kept upright (b) shadow length (c) the same spot (d) the time of day
  36. 36.🔦 Is a book opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  37. 37.⚖️ 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 keep it the same (c) we change it
  38. 38.🔦 Which of these is transparent? (a) butter paper (b) a book (c) oily paper (d) clear plastic film
  39. 39.🔦 Is a wooden board opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  40. 40.True or false: a balloon is not needed for the shadow clock. (a) True (b) False

Answer key

  1. True
  2. True
  3. False
  4. a clock to check
  5. frosted glass
  6. False
  7. not needed
  8. tissue paper
  9. the time of day
  10. Earth keeps spinning
  11. transparent
  12. we change it
  13. long
  14. chalk to mark shadows
  15. a cap or hat
  16. transparent
  17. False
  18. turmeric powder
  19. yeast
  20. opaque
  21. needed
  22. False
  23. not needed
  24. west
  25. your hand
  26. a magnet
  27. look straight at the Sun
  28. we keep it the same
  29. butter paper
  30. we keep it the same
  31. False
  32. a mirror
  33. not needed
  34. clear glass
  35. shadow length
  36. opaque
  37. we keep it the same
  38. clear plastic film
  39. opaque
  40. True

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