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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 467 · 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? What do we do with “the same spot”? (a) we keep it the same (b) we change it (c) we measure it
  2. 2.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same stick (b) the time of day (c) the same spot (d) shadow length
  3. 3.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) turmeric powder (c) a straight stick (d) a magnet
  4. 4.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) look straight at the Sun (c) wear a cap (d) mark with chalk
  5. 5.🔍 Which is the odd one out? (a) a steel plate (b) your hand (c) air (d) a wooden board
  6. 6.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) missing (c) long (d) round
  7. 7.🧺 Which of these is not needed for the shadow clock? (a) a battery cell (b) a sunny open place (c) a clock to check (d) a straight stick
  8. 8.🔍 Which is the odd one out? (a) frosted glass (b) clear glass (c) clear plastic film (d) clean water
  9. 9.🕰️ What is a sundial used for? (a) measuring rain (b) making rainbows (c) telling the time (d) weighing things
  10. 10.⚖️ 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
  11. 11.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) yeast (c) a mirror (d) a sunny open place
  12. 12.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) a cap or hat (c) a raincoat (d) nothing on your head
  13. 13.🔦 Which of these is opaque? (a) tissue paper (b) butter paper (c) oily paper (d) a book
  14. 14.🔦 Which of these is opaque? (a) frosted glass (b) your hand (c) tissue paper (d) air
  15. 15.True or false: frosted glass is transparent. (a) False (b) True
  16. 16.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
  17. 17.⚖️ 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
  18. 18.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) east (c) west (d) north
  19. 19.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
  20. 20.🔦 Is clean water opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  21. 21.🔦 Which of these is translucent? (a) clear plastic film (b) clear glass (c) a wooden board (d) tissue paper
  22. 22.🔦 Which of these is transparent? (a) butter paper (b) a brick (c) a book (d) clear glass
  23. 23.🔦 Is air opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  24. 24.🔍 Which is the odd one out? (a) clear glass (b) oily paper (c) butter paper (d) tissue paper
  25. 25.🔮 Predict: on a fully cloudy day, the sundial ___. (a) shows two times (b) runs faster (c) works better (d) does not work well
  26. 26.⚖️ 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
  27. 27.True or false: tissue paper is translucent. (a) False (b) True
  28. 28.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) turmeric powder (c) a sunny open place (d) a straight stick
  29. 29.⚖️ 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 stick kept upright (c) the same stick (d) the time of day
  30. 30.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) True (b) False
  31. 31.🌞 When is a stick’s shadow the shortest? (a) late evening (b) at night (c) around noon (d) early morning
  32. 32.🔦 Is a brick opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  33. 33.True or false: a mirror is needed for the shadow clock. (a) True (b) False
  34. 34.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
  35. 35.🔍 Which is the odd one out? (a) air (b) clear plastic film (c) clear glass (d) a brick
  36. 36.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
  37. 37.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we measure it (b) we keep it the same (c) we change it
  38. 38.⚖️ 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
  39. 39.🔍 Which is the odd one out? (a) butter paper (b) clean water (c) air (d) clear plastic film
  40. 40.🔦 Is your hand opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent

Answer key

  1. we keep it the same
  2. shadow length
  3. a straight stick
  4. look straight at the Sun
  5. air
  6. long
  7. a battery cell
  8. frosted glass
  9. telling the time
  10. True
  11. a sunny open place
  12. a cap or hat
  13. a book
  14. your hand
  15. False
  16. False
  17. False
  18. west
  19. needed
  20. transparent
  21. tissue paper
  22. clear glass
  23. transparent
  24. clear glass
  25. does not work well
  26. the stick kept upright
  27. True
  28. turmeric powder
  29. the time of day
  30. False
  31. around noon
  32. opaque
  33. False
  34. not needed
  35. a brick
  36. needed
  37. we change it
  38. True
  39. butter paper
  40. opaque

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