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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 957 · 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 sunny open place 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? True or false: shadow length is the one thing we change. (a) True (b) False
  3. 3.🕰️ What is a sundial used for? (a) telling the time (b) making rainbows (c) measuring rain (d) weighing things
  4. 4.⚖️ 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
  5. 5.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a straight stick (c) a battery cell (d) yeast
  6. 6.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) chalk to mark shadows (c) a balloon (d) a straight stick
  7. 7.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
  8. 8.🔦 Which of these is opaque? (a) frosted glass (b) clear glass (c) a steel plate (d) butter paper
  9. 9.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) a woollen sweater (c) a cap or hat (d) nothing on your head
  10. 10.True or false: clear glass is opaque. (a) True (b) False
  11. 11.True or false: a clock to check is needed for the shadow clock. (a) True (b) False
  12. 12.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) chalk to mark shadows (c) turmeric powder (d) yeast
  13. 13.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
  14. 14.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
  15. 15.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we change it (b) we keep it the same (c) we measure it
  16. 16.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we change it (b) we measure it (c) we keep it the same
  17. 17.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the stick kept upright (b) the time of day (c) shadow length
  18. 18.📘 Why does a shadow form? (a) the object is cold (b) the ground is dark (c) light bends round it (d) an object blocks light
  19. 19.🔍 Which is the odd one out? (a) your hand (b) a steel plate (c) oily paper (d) a book
  20. 20.True or false: clear glass is transparent. (a) False (b) True
  21. 21.⚖️ 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 change it (c) we measure it
  22. 22.🔦 Which of these is transparent? (a) a steel plate (b) a book (c) clear glass (d) your hand
  23. 23.🧺 Which of these is not needed for the shadow clock? (a) a balloon (b) a sunny open place (c) a clock to check (d) chalk to mark shadows
  24. 24.⚖️ 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
  25. 25.🔍 Which is the odd one out? (a) butter paper (b) clear glass (c) tissue paper (d) oily paper
  26. 26.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the time of day (b) the same spot (c) the stick kept upright (d) shadow length
  27. 27.True or false: butter paper is transparent. (a) False (b) True
  28. 28.🔦 Is clean water opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  29. 29.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) yeast (b) a straight stick (c) a sunny open place (d) chalk to mark shadows
  30. 30.🔦 Is a brick opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  31. 31.🧺 Which of these is not needed for the shadow clock? (a) yeast (b) a sunny open place (c) a straight stick (d) a clock to check
  32. 32.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
  33. 33.🌞 When is a stick’s shadow the shortest? (a) at night (b) around noon (c) late evening (d) early morning
  34. 34.🔦 Which of these is opaque? (a) frosted glass (b) oily paper (c) a wooden board (d) air
  35. 35.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
  36. 36.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) missing (c) long (d) round
  37. 37.⚖️ 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
  38. 38.🧺 Do we need a battery cell for the shadow clock? (a) not needed (b) needed
  39. 39.🔦 Which of these is translucent? (a) a book (b) clear glass (c) a wooden board (d) oily paper
  40. 40.🔍 Which is the odd one out? (a) oily paper (b) butter paper (c) a wooden board (d) frosted glass

Answer key

  1. True
  2. False
  3. telling the time
  4. False
  5. a straight stick
  6. a balloon
  7. not needed
  8. a steel plate
  9. a cap or hat
  10. False
  11. True
  12. chalk to mark shadows
  13. not needed
  14. needed
  15. we keep it the same
  16. we keep it the same
  17. the stick kept upright
  18. an object blocks light
  19. oily paper
  20. True
  21. we keep it the same
  22. clear glass
  23. a balloon
  24. the time of day
  25. clear glass
  26. shadow length
  27. False
  28. transparent
  29. yeast
  30. opaque
  31. yeast
  32. needed
  33. around noon
  34. a wooden board
  35. not needed
  36. long
  37. the same stick
  38. not needed
  39. oily paper
  40. a wooden board

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