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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 591 · 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.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the stick grows (c) the stick walks (d) the ground slides
  2. 2.🔦 Is your hand opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  3. 3.True or false: yeast is needed for the shadow clock. (a) True (b) False
  4. 4.🔦 Which of these is opaque? (a) a steel plate (b) oily paper (c) clear glass (d) butter paper
  5. 5.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we change it (b) we measure it (c) we keep it the same
  6. 6.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a battery cell (b) a straight stick (c) a sunny open place (d) a clock to check
  7. 7.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we change it (b) we keep it the same (c) we measure it
  8. 8.🔦 Is oily paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  9. 9.⚖️ 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
  10. 10.🔦 Which of these is translucent? (a) a brick (b) butter paper (c) air (d) clear glass
  11. 11.📘 Why does a shadow form? (a) an object blocks light (b) the ground is dark (c) light bends round it (d) the object is cold
  12. 12.True or false: a clock to check is not needed for the shadow clock. (a) True (b) False
  13. 13.🔦 Which of these is transparent? (a) butter paper (b) your hand (c) frosted glass (d) air
  14. 14.True or false: air is translucent. (a) False (b) True
  15. 15.True or false: butter paper is transparent. (a) False (b) True
  16. 16.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a straight stick (c) yeast (d) a sunny open place
  17. 17.🧺 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) yeast (d) a straight stick
  18. 18.True or false: yeast is not needed for the shadow clock. (a) False (b) True
  19. 19.True or false: frosted glass is translucent. (a) True (b) False
  20. 20.🧺 Which of these is not needed for the shadow clock? (a) a balloon (b) a sunny open place (c) chalk to mark shadows (d) a clock to check
  21. 21.🔦 Which of these is opaque? (a) butter paper (b) a book (c) frosted glass (d) tissue paper
  22. 22.True or false: a magnet is needed for the shadow clock. (a) True (b) False
  23. 23.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) sit in the shade (c) wear a cap (d) mark with chalk
  24. 24.True or false: clear glass is transparent. (a) False (b) True
  25. 25.True or false: a book is opaque. (a) False (b) True
  26. 26.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) nothing on your head (c) a raincoat (d) a cap or hat
  27. 27.🔍 Which is the odd one out? (a) oily paper (b) butter paper (c) tissue paper (d) clear glass
  28. 28.🔦 Is frosted glass opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  29. 29.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  30. 30.⚖️ 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
  31. 31.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) long (b) short (c) round (d) missing
  32. 32.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) False (b) True
  33. 33.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a straight stick (c) a magnet (d) a battery cell
  34. 34.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
  35. 35.🔦 Is air opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  36. 36.🧺 Do we need a battery cell 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 same spot”? (a) we keep it the same (b) we measure it (c) we change it
  38. 38.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a sunny open place (c) a magnet (d) a clock to check
  39. 39.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) shadow length (b) the time of day (c) the same stick (d) the stick kept upright
  40. 40.True or false: butter paper is opaque. (a) True (b) False

Answer key

  1. Earth keeps spinning
  2. opaque
  3. False
  4. a steel plate
  5. we measure it
  6. a battery cell
  7. we keep it the same
  8. translucent
  9. False
  10. butter paper
  11. an object blocks light
  12. False
  13. air
  14. False
  15. False
  16. yeast
  17. yeast
  18. True
  19. True
  20. a balloon
  21. a book
  22. False
  23. look straight at the Sun
  24. True
  25. True
  26. a cap or hat
  27. clear glass
  28. translucent
  29. translucent
  30. True
  31. long
  32. False
  33. a straight stick
  34. not needed
  35. transparent
  36. not needed
  37. we keep it the same
  38. a magnet
  39. shadow length
  40. False

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