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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 788 · 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.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) missing (c) long (d) round
  2. 2.🔦 Which of these is translucent? (a) a steel plate (b) air (c) a wooden board (d) tissue paper
  3. 3.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) wear a cap (c) look straight at the Sun (d) sit in the shade
  4. 4.🔦 Which of these is transparent? (a) clear glass (b) frosted glass (c) oily paper (d) a wooden board
  5. 5.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a mirror (c) a balloon (d) a clock to check
  6. 6.⚖️ 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 stick kept upright
  7. 7.True or false: a balloon is needed for the shadow clock. (a) False (b) True
  8. 8.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) up (c) west (d) north
  9. 9.⚖️ 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
  10. 10.True or false: a book is opaque. (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 battery cell
  12. 12.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
  13. 13.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) chalk to mark shadows (c) yeast (d) a clock to check
  14. 14.🔍 Which is the odd one out? (a) oily paper (b) your hand (c) frosted glass (d) butter paper
  15. 15.True or false: a straight stick is needed for the shadow clock. (a) False (b) True
  16. 16.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) nothing on your head (c) a raincoat (d) a woollen sweater
  17. 17.True or false: tissue paper is translucent. (a) False (b) True
  18. 18.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we keep it the same (b) we measure it (c) we change it
  19. 19.🔦 Which of these is translucent? (a) a steel plate (b) a brick (c) clear plastic film (d) butter paper
  20. 20.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we measure it (b) we keep it the same (c) we change it
  21. 21.🔍 Which is the odd one out? (a) butter paper (b) frosted glass (c) tissue paper (d) a brick
  22. 22.True or false: your hand is translucent. (a) False (b) True
  23. 23.🔦 Is frosted glass opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  24. 24.True or false: a mirror is needed for the shadow clock. (a) False (b) True
  25. 25.🔦 Which of these is transparent? (a) oily paper (b) clear plastic film (c) a wooden board (d) a brick
  26. 26.🔦 Which of these is translucent? (a) clear glass (b) a wooden board (c) frosted glass (d) clear plastic film
  27. 27.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) turmeric powder (c) a balloon (d) a sunny open place
  28. 28.True or false: a battery cell is not needed for the shadow clock. (a) False (b) True
  29. 29.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) turmeric powder (c) chalk to mark shadows (d) a straight stick
  30. 30.🔦 Is a book opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  31. 31.🔦 Is clear plastic film opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  32. 32.True or false: your hand is transparent. (a) True (b) False
  33. 33.🔍 Which is the odd one out? (a) a book (b) frosted glass (c) your hand (d) a wooden board
  34. 34.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) brighter (c) bigger (d) smaller
  35. 35.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a balloon (b) a straight stick (c) a clock to check (d) chalk to mark shadows
  36. 36.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is kept the same. (a) False (b) True
  37. 37.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we change it (b) we measure it (c) we keep it the same
  38. 38.True or false: clear glass is transparent. (a) True (b) False
  39. 39.⚖️ 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 stick kept upright (c) the same spot (d) the same stick
  40. 40.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) True (b) False

Answer key

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

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