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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 477 · 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.

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  1. 1.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a mirror (c) a sunny open place (d) a straight stick
  2. 2.⚖️ 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
  3. 3.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
  4. 4.🌞 When is a stick’s shadow the shortest? (a) late evening (b) around noon (c) at night (d) early morning
  5. 5.🔍 Which is the odd one out? (a) clean water (b) frosted glass (c) air (d) clear plastic film
  6. 6.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the ground slides (c) the stick walks (d) the stick grows
  7. 7.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is kept the same. (a) False (b) True
  8. 8.🔦 Is clear glass opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  9. 9.🕰️ What is a sundial used for? (a) making rainbows (b) measuring rain (c) telling the time (d) weighing things
  10. 10.True or false: a magnet is needed for the shadow clock. (a) False (b) True
  11. 11.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) brighter (c) smaller (d) bigger
  12. 12.🔦 Is frosted glass opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  13. 13.True or false: oily paper is opaque. (a) True (b) False
  14. 14.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  15. 15.🔍 Which is the odd one out? (a) a steel plate (b) a book (c) butter paper (d) a wooden board
  16. 16.⚖️ 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) False (b) True
  17. 17.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) long (c) short (d) missing
  18. 18.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
  19. 19.🔦 Which of these is opaque? (a) a wooden board (b) tissue paper (c) clean water (d) butter paper
  20. 20.True or false: a book is opaque. (a) True (b) False
  21. 21.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  22. 22.🧺 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 balloon (d) chalk to mark shadows
  23. 23.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) west (c) east (d) north
  24. 24.⚖️ 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
  25. 25.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) turmeric powder (c) chalk to mark shadows (d) a clock to check
  26. 26.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
  27. 27.🔦 Which of these is transparent? (a) a book (b) clean water (c) a brick (d) a wooden board
  28. 28.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) look straight at the Sun (c) sit in the shade (d) mark with chalk
  29. 29.🔍 Which is the odd one out? (a) tissue paper (b) a brick (c) a wooden board (d) a book
  30. 30.🔦 Is a wooden board opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  31. 31.🧺 Do we need a battery cell for the shadow clock? (a) not needed (b) needed
  32. 32.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is what we measure. (a) True (b) False
  33. 33.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a battery cell (b) a straight stick (c) a clock to check (d) a sunny open place
  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 sunny open place (d) a straight stick
  35. 35.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) chalk to mark shadows (c) a magnet (d) a clock to check
  36. 36.🔦 Is a book opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  37. 37.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) turmeric powder (c) yeast (d) chalk to mark shadows
  38. 38.🔦 Is air opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  39. 39.True or false: a sunny open place 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? Which of these is the one thing we change? (a) shadow length (b) the time of day (c) the stick kept upright (d) the same stick

Answer key

  1. a mirror
  2. we measure it
  3. not needed
  4. around noon
  5. frosted glass
  6. Earth keeps spinning
  7. True
  8. transparent
  9. telling the time
  10. False
  11. bigger
  12. translucent
  13. False
  14. needed
  15. butter paper
  16. False
  17. long
  18. not needed
  19. a wooden board
  20. True
  21. opaque
  22. a balloon
  23. west
  24. False
  25. turmeric powder
  26. not needed
  27. clean water
  28. look straight at the Sun
  29. tissue paper
  30. opaque
  31. not needed
  32. False
  33. a battery cell
  34. yeast
  35. a magnet
  36. opaque
  37. chalk to mark shadows
  38. transparent
  39. False
  40. the time of day

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