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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 273 · 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 book is transparent. (a) True (b) False
  2. 2.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a sunny open place (c) a magnet (d) a straight stick
  3. 3.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) wear a cap (c) sit in the shade (d) look straight at the Sun
  4. 4.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) yeast (c) a sunny open place (d) a balloon
  5. 5.🔦 Which of these is translucent? (a) a steel plate (b) clean water (c) tissue paper (d) a brick
  6. 6.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a sunny open place (c) a battery cell (d) chalk to mark shadows
  7. 7.🧺 Which of these is not needed for the shadow clock? (a) a magnet (b) chalk to mark shadows (c) a sunny open place (d) a clock to check
  8. 8.🔦 Which of these is opaque? (a) your hand (b) air (c) butter paper (d) clear glass
  9. 9.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a battery cell (c) yeast (d) a clock to check
  10. 10.🔦 Is your hand opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  11. 11.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
  12. 12.⚖️ 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 time of day (d) the same stick
  13. 13.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) coloured (c) bigger (d) smaller
  14. 14.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) works better (c) shows two times (d) does not work well
  15. 15.🧺 Do we need a battery cell for the shadow clock? (a) not needed (b) needed
  16. 16.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the same spot (b) the stick kept upright (c) the time of day (d) shadow length
  17. 17.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
  18. 18.⚖️ 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
  19. 19.🔦 Is oily paper opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  20. 20.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
  21. 21.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) True (b) False
  22. 22.🔦 Which of these is opaque? (a) butter paper (b) clean water (c) a brick (d) frosted glass
  23. 23.⚖️ 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
  24. 24.🔦 Which of these is translucent? (a) a steel plate (b) oily paper (c) clear plastic film (d) your hand
  25. 25.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) shadow length (b) the same spot (c) the time of day
  26. 26.🔍 Which is the odd one out? (a) clear glass (b) tissue paper (c) clean water (d) clear plastic film
  27. 27.🔦 Is clean water opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  28. 28.🔍 Which is the odd one out? (a) a steel plate (b) a brick (c) frosted glass (d) a book
  29. 29.🔦 Which of these is opaque? (a) oily paper (b) butter paper (c) clear glass (d) a book
  30. 30.🔍 Which is the odd one out? (a) air (b) clean water (c) a steel plate (d) clear glass
  31. 31.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
  32. 32.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we keep it the same (b) we measure it (c) we change it
  33. 33.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) nothing on your head (c) a woollen sweater (d) a cap or hat
  34. 34.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) yeast (c) a straight stick (d) a sunny open place
  35. 35.🔦 Which of these is translucent? (a) clear glass (b) butter paper (c) a brick (d) a wooden board
  36. 36.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) west (c) east (d) up
  37. 37.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
  38. 38.True or false: a balloon is not needed for the shadow clock. (a) False (b) True
  39. 39.True or false: chalk to mark shadows is not needed for the shadow clock. (a) True (b) False
  40. 40.⚖️ 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

Answer key

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

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