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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 595 · 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? Which of these is what we measure? (a) the same spot (b) shadow length (c) the stick kept upright (d) the same stick
  2. 2.🔮 Predict: on a fully cloudy day, the sundial ___. (a) does not work well (b) shows two times (c) runs faster (d) works better
  3. 3.True or false: a sunny open place is not needed for the shadow clock. (a) True (b) False
  4. 4.True or false: a clock to check is needed for the shadow clock. (a) False (b) True
  5. 5.True or false: turmeric powder is not needed for the shadow clock. (a) False (b) True
  6. 6.🔍 Which is the odd one out? (a) a steel plate (b) a book (c) a brick (d) frosted glass
  7. 7.True or false: a battery cell is needed for the shadow clock. (a) True (b) False
  8. 8.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a magnet (b) chalk to mark shadows (c) a straight stick (d) a sunny open place
  9. 9.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
  10. 10.🔦 Is oily paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  11. 11.⚖️ 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) the stick kept upright (c) the same stick (d) shadow length
  12. 12.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) chalk to mark shadows (c) a sunny open place (d) a balloon
  13. 13.🔦 Which of these is opaque? (a) clear glass (b) oily paper (c) butter paper (d) a book
  14. 14.True or false: frosted glass is translucent. (a) True (b) False
  15. 15.⚖️ 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
  16. 16.⚖️ 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
  17. 17.🔍 Which is the odd one out? (a) a book (b) a brick (c) tissue paper (d) a wooden board
  18. 18.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) short (c) long (d) missing
  19. 19.⚖️ 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 change it (c) we keep it the same
  20. 20.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is kept the same. (a) True (b) False
  21. 21.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a straight stick (c) a mirror (d) a clock to check
  22. 22.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a mirror (b) a straight stick (c) chalk to mark shadows (d) a sunny open place
  23. 23.🔦 Which of these is translucent? (a) clean water (b) a book (c) clear glass (d) butter paper
  24. 24.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  25. 25.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) west (c) up (d) east
  26. 26.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a raincoat (c) a cap or hat (d) a woollen sweater
  27. 27.🌞 When is a stick’s shadow the shortest? (a) late evening (b) early morning (c) at night (d) around noon
  28. 28.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is what we measure. (a) True (b) False
  29. 29.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) turmeric powder (d) chalk to mark shadows
  30. 30.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
  31. 31.True or false: clear plastic film is opaque. (a) True (b) False
  32. 32.🔦 Which of these is opaque? (a) clear plastic film (b) a wooden board (c) frosted glass (d) butter paper
  33. 33.🔦 Is clean water opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  34. 34.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  35. 35.🔍 Which is the odd one out? (a) a wooden board (b) clean water (c) clear plastic film (d) clear glass
  36. 36.🔍 Which is the odd one out? (a) oily paper (b) frosted glass (c) tissue paper (d) a brick
  37. 37.True or false: chalk to mark shadows is needed for the shadow clock. (a) True (b) False
  38. 38.True or false: a magnet is needed for the shadow clock. (a) False (b) True
  39. 39.⚖️ 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
  40. 40.True or false: a book is translucent. (a) False (b) True

Answer key

  1. shadow length
  2. does not work well
  3. False
  4. True
  5. True
  6. frosted glass
  7. False
  8. a magnet
  9. needed
  10. translucent
  11. the time of day
  12. a balloon
  13. a book
  14. True
  15. True
  16. we keep it the same
  17. tissue paper
  18. long
  19. we keep it the same
  20. False
  21. a mirror
  22. a mirror
  23. butter paper
  24. needed
  25. west
  26. a cap or hat
  27. around noon
  28. False
  29. turmeric powder
  30. not needed
  31. False
  32. a wooden board
  33. transparent
  34. opaque
  35. a wooden board
  36. a brick
  37. True
  38. False
  39. True
  40. False

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