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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 122 · 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: oily paper is translucent. (a) True (b) False
  2. 2.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
  3. 3.🔦 Which of these is translucent? (a) a book (b) tissue paper (c) air (d) your hand
  4. 4.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) up (c) west (d) north
  5. 5.⚖️ 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
  6. 6.True or false: a sunny open place is needed for the shadow clock. (a) True (b) False
  7. 7.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  8. 8.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the time of day (b) the same stick (c) the stick kept upright (d) shadow length
  9. 9.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  10. 10.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) long (b) short (c) round (d) missing
  11. 11.🌍 Why does the stick’s shadow move during the day? (a) the stick walks (b) the ground slides (c) Earth keeps spinning (d) the stick grows
  12. 12.🔦 Which of these is opaque? (a) a wooden board (b) air (c) oily paper (d) butter paper
  13. 13.True or false: a steel plate is translucent. (a) False (b) True
  14. 14.🔦 Is oily paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  15. 15.⚖️ 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
  16. 16.🔦 Which of these is translucent? (a) a steel plate (b) butter paper (c) clear plastic film (d) clean water
  17. 17.⚖️ 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
  18. 18.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a mirror (c) a clock to check (d) a straight stick
  19. 19.True or false: frosted glass is opaque. (a) True (b) False
  20. 20.🔦 Is clear glass opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  21. 21.True or false: a clock to check is needed for the shadow clock. (a) True (b) False
  22. 22.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) turmeric powder (c) a sunny open place (d) a clock to check
  23. 23.True or false: butter paper is opaque. (a) True (b) False
  24. 24.⚖️ 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
  25. 25.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a sunny open place (c) a battery cell (d) a clock to check
  26. 26.True or false: a battery cell is not needed for the shadow clock. (a) False (b) True
  27. 27.🔦 Is your hand opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  28. 28.True or false: clear glass is opaque. (a) False (b) True
  29. 29.True or false: your hand is opaque. (a) False (b) True
  30. 30.🔍 Which is the odd one out? (a) clear plastic film (b) a wooden board (c) clean water (d) clear glass
  31. 31.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a balloon (c) chalk to mark shadows (d) a sunny open place
  32. 32.True or false: butter paper is transparent. (a) True (b) False
  33. 33.True or false: a mirror is needed for the shadow clock. (a) False (b) True
  34. 34.🛟 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
  35. 35.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
  36. 36.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is what we measure. (a) True (b) False
  37. 37.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) a woollen sweater (c) nothing on your head (d) a raincoat
  38. 38.True or false: clean water is opaque. (a) True (b) False
  39. 39.🔍 Which is the odd one out? (a) oily paper (b) butter paper (c) tissue paper (d) clear glass
  40. 40.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a clock to check (c) turmeric powder (d) a mirror

Answer key

  1. True
  2. needed
  3. tissue paper
  4. west
  5. the same stick
  6. True
  7. translucent
  8. the time of day
  9. opaque
  10. long
  11. Earth keeps spinning
  12. a wooden board
  13. False
  14. translucent
  15. False
  16. butter paper
  17. we keep it the same
  18. a mirror
  19. False
  20. transparent
  21. True
  22. turmeric powder
  23. False
  24. False
  25. a battery cell
  26. True
  27. opaque
  28. False
  29. True
  30. a wooden board
  31. a balloon
  32. False
  33. False
  34. look straight at the Sun
  35. not needed
  36. False
  37. a cap or hat
  38. False
  39. clear glass
  40. a clock to check

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