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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 939 · 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.🔦 Is butter paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  2. 2.⚖️ 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
  3. 3.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) a raincoat (c) nothing on your head (d) a cap or hat
  4. 4.True or false: oily paper is opaque. (a) True (b) False
  5. 5.⚖️ 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) shadow length (c) the time of day (d) the stick kept upright
  6. 6.🔍 Which is the odd one out? (a) clean water (b) a book (c) your hand (d) a brick
  7. 7.🔦 Which of these is opaque? (a) butter paper (b) a brick (c) frosted glass (d) clean water
  8. 8.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we measure it (b) we change it (c) we keep it the same
  9. 9.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is what we measure. (a) True (b) False
  10. 10.True or false: a clock to check is not needed for the shadow clock. (a) True (b) False
  11. 11.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) chalk to mark shadows (c) a straight stick (d) a magnet
  12. 12.📘 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
  13. 13.🔦 Which of these is translucent? (a) your hand (b) frosted glass (c) a book (d) a steel plate
  14. 14.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) a clock to check (c) a sunny open place (d) chalk to mark shadows
  15. 15.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
  16. 16.🔦 Is your hand opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  17. 17.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) west (c) north (d) east
  18. 18.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a straight stick (c) chalk to mark shadows (d) yeast
  19. 19.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  20. 20.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a sunny open place (c) a balloon (d) a mirror
  21. 21.🔦 Is a book opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  22. 22.🔍 Which is the odd one out? (a) tissue paper (b) frosted glass (c) your hand (d) oily paper
  23. 23.True or false: chalk to mark shadows is not needed for the shadow clock. (a) True (b) False
  24. 24.🕰️ What is a sundial used for? (a) weighing things (b) making rainbows (c) telling the time (d) measuring rain
  25. 25.🔍 Which is the odd one out? (a) a book (b) clear glass (c) your hand (d) a wooden board
  26. 26.🔦 Which of these is translucent? (a) clean water (b) air (c) oily paper (d) clear glass
  27. 27.🔦 Which of these is transparent? (a) butter paper (b) tissue paper (c) oily paper (d) air
  28. 28.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is the one thing we change. (a) True (b) False
  29. 29.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a clock to check (c) a battery cell (d) a mirror
  30. 30.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) chalk to mark shadows (d) a balloon
  31. 31.⚖️ 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) True (b) False
  32. 32.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) long (c) short (d) missing
  33. 33.🔍 Which is the odd one out? (a) butter paper (b) oily paper (c) air (d) frosted glass
  34. 34.🔦 Which of these is translucent? (a) a book (b) butter paper (c) air (d) a steel plate
  35. 35.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) look straight at the Sun (c) mark with chalk (d) sit in the shade
  36. 36.🔦 Is clear plastic film opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  37. 37.🔮 Predict: on a fully cloudy day, the sundial ___. (a) shows two times (b) does not work well (c) works better (d) runs faster
  38. 38.🔦 Is a wooden board opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  39. 39.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a balloon (c) a straight stick (d) a magnet
  40. 40.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed

Answer key

  1. translucent
  2. True
  3. a cap or hat
  4. False
  5. the time of day
  6. clean water
  7. a brick
  8. we measure it
  9. False
  10. False
  11. a magnet
  12. an object blocks light
  13. frosted glass
  14. turmeric powder
  15. needed
  16. opaque
  17. west
  18. yeast
  19. needed
  20. a sunny open place
  21. opaque
  22. your hand
  23. False
  24. telling the time
  25. clear glass
  26. oily paper
  27. air
  28. False
  29. a clock to check
  30. a balloon
  31. False
  32. long
  33. air
  34. butter paper
  35. look straight at the Sun
  36. transparent
  37. does not work well
  38. opaque
  39. a straight stick
  40. not needed

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