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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 743 · 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.🔍 Which is the odd one out? (a) a book (b) a brick (c) clear glass (d) a wooden board
  2. 2.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we keep it the same (b) we measure it (c) we change it
  3. 3.🔦 Is a book opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  4. 4.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  5. 5.🔦 Which of these is transparent? (a) clear glass (b) a wooden board (c) a brick (d) a book
  6. 6.🔦 Which of these is translucent? (a) a steel plate (b) your hand (c) butter paper (d) a wooden board
  7. 7.🔦 Is a brick opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  8. 8.True or false: a brick is translucent. (a) True (b) False
  9. 9.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
  10. 10.🔦 Which of these is opaque? (a) a book (b) tissue paper (c) air (d) oily paper
  11. 11.🔮 Predict: on a fully cloudy day, the sundial ___. (a) shows two times (b) works better (c) runs faster (d) does not work well
  12. 12.🔍 Which is the odd one out? (a) a wooden board (b) frosted glass (c) butter paper (d) tissue paper
  13. 13.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
  14. 14.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the stick kept upright (b) shadow length (c) the time of day (d) the same stick
  15. 15.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) sit in the shade (c) mark with chalk (d) look straight at the Sun
  16. 16.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a balloon (c) a mirror (d) a sunny open place
  17. 17.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same stick (b) shadow length (c) the same spot (d) the time of day
  18. 18.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is the one thing we change. (a) False (b) True
  19. 19.True or false: butter paper is opaque. (a) True (b) False
  20. 20.True or false: a steel plate is transparent. (a) False (b) True
  21. 21.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) long (c) round (d) missing
  22. 22.⚖️ 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
  23. 23.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a mirror (c) a balloon (d) a clock to check
  24. 24.True or false: a battery cell is not needed for the shadow clock. (a) True (b) False
  25. 25.⚖️ 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 keep it the same (c) we change it
  26. 26.True or false: a wooden board is transparent. (a) True (b) False
  27. 27.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) yeast (c) a sunny open place (d) chalk to mark shadows
  28. 28.🔦 Which of these is opaque? (a) tissue paper (b) your hand (c) frosted glass (d) clear glass
  29. 29.True or false: a clock to check is not needed for the shadow clock. (a) False (b) True
  30. 30.🔦 Is oily paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  31. 31.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a cap or hat (c) a raincoat (d) a woollen sweater
  32. 32.True or false: a balloon is needed for the shadow clock. (a) True (b) False
  33. 33.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we change it (b) we keep it the same (c) we measure it
  34. 34.True or false: frosted glass is transparent. (a) True (b) False
  35. 35.🧺 Which of these is not needed for the shadow clock? (a) turmeric powder (b) a sunny open place (c) chalk to mark shadows (d) a straight stick
  36. 36.🔍 Which is the odd one out? (a) a book (b) your hand (c) a brick (d) clean water
  37. 37.True or false: a sunny open place is needed for the shadow clock. (a) True (b) False
  38. 38.True or false: chalk to mark shadows is needed for the shadow clock. (a) False (b) True
  39. 39.🔦 Which of these is translucent? (a) a brick (b) air (c) clear glass (d) oily paper
  40. 40.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) north (c) east (d) west

Answer key

  1. clear glass
  2. we keep it the same
  3. opaque
  4. opaque
  5. clear glass
  6. butter paper
  7. opaque
  8. False
  9. not needed
  10. a book
  11. does not work well
  12. a wooden board
  13. not needed
  14. the time of day
  15. look straight at the Sun
  16. a sunny open place
  17. shadow length
  18. False
  19. False
  20. False
  21. long
  22. False
  23. a clock to check
  24. True
  25. we keep it the same
  26. False
  27. yeast
  28. your hand
  29. False
  30. translucent
  31. a cap or hat
  32. False
  33. we keep it the same
  34. False
  35. turmeric powder
  36. clean water
  37. True
  38. True
  39. oily paper
  40. west

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