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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 449 · 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 steel plate is opaque. (a) False (b) True
  2. 2.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the time of day (b) shadow length (c) the same spot (d) the same stick
  3. 3.🔍 Which is the odd one out? (a) your hand (b) tissue paper (c) frosted glass (d) oily paper
  4. 4.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is what we measure. (a) False (b) True
  5. 5.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is what we measure. (a) True (b) False
  6. 6.🔦 Which of these is transparent? (a) air (b) a book (c) a wooden board (d) your hand
  7. 7.True or false: clean water is opaque. (a) True (b) False
  8. 8.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) yeast (d) a sunny open place
  9. 9.⚖️ 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
  10. 10.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) brighter (c) bigger (d) coloured
  11. 11.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a clock to check (c) turmeric powder (d) a balloon
  12. 12.🛟 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
  13. 13.True or false: a mirror is needed for the shadow clock. (a) True (b) False
  14. 14.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
  15. 15.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) runs faster (c) shows two times (d) does not work well
  16. 16.⚖️ 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
  17. 17.🔦 Which of these is opaque? (a) clear plastic film (b) oily paper (c) a brick (d) air
  18. 18.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a clock to check (c) a battery cell (d) a straight stick
  19. 19.🔍 Which is the odd one out? (a) a steel plate (b) a brick (c) a book (d) clean water
  20. 20.🔦 Is oily paper 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? Which of these is kept the same? (a) the time of day (b) the stick kept upright (c) shadow length
  22. 22.🔦 Which of these is opaque? (a) a steel plate (b) clear glass (c) frosted glass (d) butter paper
  23. 23.⚖️ 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) True (b) False
  24. 24.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is the one thing we change. (a) False (b) True
  25. 25.True or false: a clock to check is needed for the shadow clock. (a) True (b) False
  26. 26.🔍 Which is the odd one out? (a) a wooden board (b) air (c) clean water (d) clear plastic film
  27. 27.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a magnet (c) a straight stick (d) a sunny open place
  28. 28.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is kept the same. (a) False (b) True
  29. 29.🔦 Which of these is opaque? (a) tissue paper (b) a book (c) clean water (d) frosted glass
  30. 30.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  31. 31.True or false: a wooden board is opaque. (a) False (b) True
  32. 32.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
  33. 33.🌞 When is a stick’s shadow the shortest? (a) at night (b) late evening (c) around noon (d) early morning
  34. 34.🔍 Which is the odd one out? (a) clean water (b) clear plastic film (c) a brick (d) clear glass
  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 stick (d) the same spot
  36. 36.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) False (b) True
  37. 37.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) up (c) west (d) north
  38. 38.🧺 Which of these is needed for the shadow clock? (a) chalk to mark shadows (b) turmeric powder (c) a battery cell (d) a mirror
  39. 39.True or false: a magnet is not needed for the shadow clock. (a) False (b) True
  40. 40.True or false: butter paper is transparent. (a) False (b) True

Answer key

  1. True
  2. the time of day
  3. your hand
  4. False
  5. True
  6. air
  7. False
  8. yeast
  9. False
  10. bigger
  11. a clock to check
  12. look straight at the Sun
  13. False
  14. needed
  15. does not work well
  16. False
  17. a brick
  18. a battery cell
  19. clean water
  20. translucent
  21. the stick kept upright
  22. a steel plate
  23. True
  24. False
  25. True
  26. a wooden board
  27. a magnet
  28. True
  29. a book
  30. opaque
  31. True
  32. needed
  33. around noon
  34. a brick
  35. shadow length
  36. False
  37. west
  38. chalk to mark shadows
  39. True
  40. False

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