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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 917 · 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.

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  1. 1.🔦 Is air opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  2. 2.🛟 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
  3. 3.🔍 Which is the odd one out? (a) clear glass (b) air (c) clean water (d) a wooden board
  4. 4.🔦 Is a book opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  5. 5.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is the one thing we change. (a) True (b) False
  6. 6.⚖️ 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
  7. 7.🔦 Is your hand opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  8. 8.⚖️ 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 same stick
  9. 9.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) does not work well (c) shows two times (d) works better
  10. 10.🔍 Which is the odd one out? (a) clear glass (b) butter paper (c) oily paper (d) frosted glass
  11. 11.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a magnet (c) a straight stick (d) chalk to mark shadows
  12. 12.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is what we measure. (a) False (b) True
  13. 13.True or false: clear plastic film is transparent. (a) False (b) True
  14. 14.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
  15. 15.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
  16. 16.🔦 Is butter paper opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  17. 17.🔦 Which of these is opaque? (a) clear glass (b) frosted glass (c) oily paper (d) a book
  18. 18.⚖️ 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
  19. 19.⚖️ 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) False (b) True
  20. 20.🔍 Which is the odd one out? (a) a wooden board (b) a steel plate (c) clean water (d) a book
  21. 21.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) a battery cell (d) chalk to mark shadows
  22. 22.🔦 Which of these is opaque? (a) oily paper (b) your hand (c) butter paper (d) clear glass
  23. 23.True or false: a brick is transparent. (a) False (b) True
  24. 24.⚖️ 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) shadow length (c) the same stick
  25. 25.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  26. 26.🔍 Which is the odd one out? (a) your hand (b) a brick (c) a steel plate (d) tissue paper
  27. 27.⚖️ 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 change it (c) we keep it the same
  28. 28.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) look straight at the Sun (c) mark with chalk (d) wear a cap
  29. 29.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) brighter (c) bigger (d) smaller
  30. 30.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a sunny open place (c) a clock to check (d) a balloon
  31. 31.🔍 Which is the odd one out? (a) clear plastic film (b) air (c) clean water (d) a steel plate
  32. 32.⚖️ 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) True (b) False
  33. 33.🔍 Which is the odd one out? (a) your hand (b) a brick (c) air (d) a steel plate
  34. 34.True or false: your hand is translucent. (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 the one thing we change. (a) False (b) True
  36. 36.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
  37. 37.🔍 Which is the odd one out? (a) a steel plate (b) a book (c) a brick (d) butter paper
  38. 38.True or false: air is transparent. (a) False (b) True
  39. 39.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
  40. 40.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed

Answer key

  1. transparent
  2. a cap or hat
  3. a wooden board
  4. opaque
  5. False
  6. we keep it the same
  7. opaque
  8. shadow length
  9. does not work well
  10. clear glass
  11. a magnet
  12. True
  13. True
  14. needed
  15. False
  16. translucent
  17. a book
  18. we keep it the same
  19. True
  20. clean water
  21. a battery cell
  22. your hand
  23. False
  24. the same stick
  25. opaque
  26. tissue paper
  27. we keep it the same
  28. look straight at the Sun
  29. bigger
  30. a balloon
  31. a steel plate
  32. False
  33. air
  34. False
  35. False
  36. needed
  37. butter paper
  38. True
  39. not needed
  40. not needed

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