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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 155 · 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: yeast is needed for the shadow clock. (a) True (b) False
  2. 2.⚖️ 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 same spot (c) shadow length
  3. 3.⚖️ 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
  4. 4.🔦 Which of these is transparent? (a) a book (b) your hand (c) a wooden board (d) air
  5. 5.True or false: a balloon is needed for the shadow clock. (a) True (b) False
  6. 6.🔍 Which is the odd one out? (a) clear plastic film (b) clear glass (c) a book (d) clean water
  7. 7.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) shadow length (b) the same stick (c) the time of day (d) the stick kept upright
  8. 8.True or false: clear glass is transparent. (a) True (b) False
  9. 9.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) nothing on your head (c) a raincoat (d) a cap or hat
  10. 10.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) look straight at the Sun (c) wear a cap (d) sit in the shade
  11. 11.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the stick walks (c) the ground slides (d) the stick grows
  12. 12.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
  13. 13.True or false: chalk to mark shadows is needed for the shadow clock. (a) False (b) True
  14. 14.🔦 Which of these is opaque? (a) tissue paper (b) clear glass (c) air (d) a wooden board
  15. 15.🔍 Which is the odd one out? (a) butter paper (b) tissue paper (c) clear plastic film (d) frosted glass
  16. 16.True or false: air is transparent. (a) True (b) False
  17. 17.⚖️ 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
  18. 18.🔦 Is butter paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  19. 19.🔦 Which of these is transparent? (a) a wooden board (b) your hand (c) oily paper (d) clear glass
  20. 20.🔦 Which of these is transparent? (a) a brick (b) clean water (c) tissue paper (d) a wooden board
  21. 21.True or false: your hand is opaque. (a) True (b) False
  22. 22.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a mirror (c) a sunny open place (d) a clock to check
  23. 23.🔦 Is air opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  24. 24.⚖️ 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) the time of day (c) shadow length (d) the same stick
  25. 25.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we keep it the same (b) we change it (c) we measure it
  26. 26.🔍 Which is the odd one out? (a) a steel plate (b) tissue paper (c) frosted glass (d) butter paper
  27. 27.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a balloon (b) a straight stick (c) a sunny open place (d) chalk to mark shadows
  28. 28.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a sunny open place (c) a battery cell (d) a straight stick
  29. 29.📘 Why does a shadow form? (a) an object blocks light (b) light bends round it (c) the object is cold (d) the ground is dark
  30. 30.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a straight stick (c) a clock to check (d) a magnet
  31. 31.True or false: a magnet is needed for the shadow clock. (a) False (b) True
  32. 32.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is kept the same. (a) True (b) False
  33. 33.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) shows two times (c) does not work well (d) runs faster
  34. 34.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a sunny open place (c) a balloon (d) a clock to check
  35. 35.🧺 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
  36. 36.True or false: clear glass is opaque. (a) True (b) False
  37. 37.🔦 Is a wooden board opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  38. 38.True or false: a battery cell is not needed for the shadow clock. (a) False (b) True
  39. 39.🔦 Which of these is opaque? (a) frosted glass (b) your hand (c) tissue paper (d) clear plastic film
  40. 40.🔍 Which is the odd one out? (a) your hand (b) frosted glass (c) butter paper (d) tissue paper

Answer key

  1. False
  2. the same spot
  3. we keep it the same
  4. air
  5. False
  6. a book
  7. the time of day
  8. True
  9. a cap or hat
  10. look straight at the Sun
  11. Earth keeps spinning
  12. True
  13. True
  14. a wooden board
  15. clear plastic film
  16. True
  17. True
  18. translucent
  19. clear glass
  20. clean water
  21. True
  22. a mirror
  23. transparent
  24. shadow length
  25. we change it
  26. a steel plate
  27. a balloon
  28. a battery cell
  29. an object blocks light
  30. a magnet
  31. False
  32. True
  33. does not work well
  34. a balloon
  35. a magnet
  36. False
  37. opaque
  38. True
  39. your hand
  40. your hand

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