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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 848 · 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.🛟 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
  2. 2.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) yeast (b) a clock to check (c) chalk to mark shadows (d) a sunny open place
  3. 3.True or false: a battery cell is not needed for the shadow clock. (a) True (b) False
  4. 4.True or false: clear glass is transparent. (a) False (b) True
  5. 5.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
  6. 6.🔍 Which is the odd one out? (a) a wooden board (b) clear plastic film (c) clear glass (d) clean water
  7. 7.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a mirror (b) chalk to mark shadows (c) a clock to check (d) a sunny open place
  8. 8.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) chalk to mark shadows (c) a sunny open place (d) a battery cell
  9. 9.🔦 Which of these is transparent? (a) a wooden board (b) a book (c) clear glass (d) a steel plate
  10. 10.⚖️ 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) the time of day (c) shadow length (d) the stick kept upright
  11. 11.🔦 Which of these is opaque? (a) oily paper (b) clean water (c) air (d) a wooden board
  12. 12.🔦 Is frosted glass opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  13. 13.⚖️ 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
  14. 14.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
  15. 15.🧺 Which of these is needed for the shadow clock? (a) chalk to mark shadows (b) yeast (c) turmeric powder (d) a battery cell
  16. 16.True or false: a book is translucent. (a) False (b) True
  17. 17.🔦 Which of these is transparent? (a) a wooden board (b) a steel plate (c) clear plastic film (d) oily paper
  18. 18.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
  19. 19.🔍 Which is the odd one out? (a) clear glass (b) frosted glass (c) butter paper (d) tissue paper
  20. 20.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) north (c) up (d) west
  21. 21.🔍 Which is the odd one out? (a) a steel plate (b) frosted glass (c) oily paper (d) tissue paper
  22. 22.🔍 Which is the odd one out? (a) a wooden board (b) a brick (c) a steel plate (d) oily paper
  23. 23.⚖️ 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
  24. 24.🔦 Is oily paper opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  25. 25.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same spot (b) the stick kept upright (c) the time of day (d) shadow length
  26. 26.True or false: butter paper is translucent. (a) True (b) False
  27. 27.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a clock to check (c) yeast (d) a mirror
  28. 28.🔦 Which of these is translucent? (a) a steel plate (b) butter paper (c) clean water (d) a wooden board
  29. 29.True or false: a magnet is needed for the shadow clock. (a) True (b) False
  30. 30.⚖️ 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
  31. 31.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) mark with chalk (c) sit in the shade (d) look straight at the Sun
  32. 32.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a clock to check (c) a straight stick (d) turmeric powder
  33. 33.True or false: your hand is transparent. (a) True (b) False
  34. 34.True or false: tissue paper is transparent. (a) True (b) False
  35. 35.🔦 Is a brick opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  36. 36.🔦 Which of these is translucent? (a) a steel plate (b) tissue paper (c) clear plastic film (d) clean water
  37. 37.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a sunny open place (c) a straight stick (d) a magnet
  38. 38.⚖️ 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 keep it the same (c) we measure it
  39. 39.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  40. 40.True or false: a brick is opaque. (a) False (b) True

Answer key

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

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