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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 790 · 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.🧺 Which of these is needed for the shadow clock? (a) chalk to mark shadows (b) yeast (c) a balloon (d) a magnet
  2. 2.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a mirror (b) a sunny open place (c) a straight stick (d) chalk to mark shadows
  3. 3.🔦 Which of these is transparent? (a) your hand (b) frosted glass (c) clear glass (d) a wooden board
  4. 4.True or false: tissue paper is transparent. (a) True (b) False
  5. 5.True or false: oily paper is translucent. (a) True (b) False
  6. 6.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the stick kept upright (b) shadow length (c) the time of day
  7. 7.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a balloon (c) a clock to check (d) a magnet
  8. 8.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a raincoat (c) a woollen sweater (d) a cap or hat
  9. 9.🔍 Which is the odd one out? (a) clear plastic film (b) clear glass (c) air (d) a brick
  10. 10.🔦 Which of these is opaque? (a) air (b) a brick (c) oily paper (d) tissue paper
  11. 11.True or false: a book is translucent. (a) False (b) True
  12. 12.🔦 Which of these is translucent? (a) a brick (b) tissue paper (c) a steel plate (d) a wooden board
  13. 13.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a mirror (c) a straight stick (d) yeast
  14. 14.⚖️ 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 change it (c) we measure it
  15. 15.🔦 Is clean water opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  16. 16.⚖️ 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 same stick (d) the stick kept upright
  17. 17.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
  18. 18.True or false: oily paper is transparent. (a) False (b) True
  19. 19.🔍 Which is the odd one out? (a) a book (b) clear glass (c) clean water (d) clear plastic film
  20. 20.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a magnet (c) a sunny open place (d) yeast
  21. 21.🧺 Do we need a battery cell for the shadow clock? (a) not needed (b) needed
  22. 22.True or false: a battery cell is not needed for the shadow clock. (a) True (b) False
  23. 23.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) False (b) True
  24. 24.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) west (c) east (d) north
  25. 25.⚖️ 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
  26. 26.True or false: clean water is translucent. (a) False (b) True
  27. 27.🌍 Why does the stick’s shadow move during the day? (a) the ground slides (b) Earth keeps spinning (c) the stick walks (d) the stick grows
  28. 28.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we keep it the same (b) we change it (c) we measure it
  29. 29.True or false: yeast is needed for the shadow clock. (a) True (b) False
  30. 30.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a balloon (c) a clock to check (d) a straight stick
  31. 31.🧺 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 magnet (d) a straight stick
  32. 32.🔦 Which of these is opaque? (a) clear glass (b) butter paper (c) frosted glass (d) a wooden board
  33. 33.🔦 Is a steel plate opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  34. 34.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the same spot (b) shadow length (c) the time of day
  35. 35.🔦 Which of these is translucent? (a) clear plastic film (b) a book (c) butter paper (d) a brick
  36. 36.🧺 Do we need a clock to check 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 measure it (b) we keep it the same (c) we change it
  38. 38.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
  39. 39.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is the one thing we change. (a) True (b) False
  40. 40.🔍 Which is the odd one out? (a) a brick (b) your hand (c) a book (d) butter paper

Answer key

  1. chalk to mark shadows
  2. a mirror
  3. clear glass
  4. False
  5. True
  6. the stick kept upright
  7. a clock to check
  8. a cap or hat
  9. a brick
  10. a brick
  11. False
  12. tissue paper
  13. a straight stick
  14. we measure it
  15. transparent
  16. the time of day
  17. not needed
  18. False
  19. a book
  20. a sunny open place
  21. not needed
  22. True
  23. True
  24. west
  25. the same stick
  26. False
  27. Earth keeps spinning
  28. we change it
  29. False
  30. a balloon
  31. a magnet
  32. a wooden board
  33. opaque
  34. the same spot
  35. butter paper
  36. needed
  37. we keep it the same
  38. needed
  39. False
  40. butter paper

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