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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 964 · 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) a mirror (b) yeast (c) a sunny open place (d) a magnet
  2. 2.True or false: oily paper is translucent. (a) False (b) True
  3. 3.🔍 Which is the odd one out? (a) a brick (b) a wooden board (c) your hand (d) clear glass
  4. 4.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a sunny open place (c) chalk to mark shadows (d) a magnet
  5. 5.🔦 Is your hand opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  6. 6.⚖️ 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
  7. 7.🔦 Which of these is opaque? (a) clear plastic film (b) oily paper (c) a book (d) tissue paper
  8. 8.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) bigger (c) coloured (d) smaller
  9. 9.True or false: frosted glass is translucent. (a) False (b) True
  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 stick (b) the time of day (c) the stick kept upright (d) shadow length
  11. 11.⚖️ 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
  12. 12.True or false: oily paper is opaque. (a) False (b) True
  13. 13.🔦 Is butter paper opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  14. 14.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
  15. 15.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a straight stick (c) a clock to check (d) a mirror
  16. 16.🧺 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) turmeric powder
  17. 17.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
  18. 18.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) chalk to mark shadows (c) a battery cell (d) a clock to check
  19. 19.⚖️ 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
  20. 20.🔍 Which is the odd one out? (a) clear glass (b) air (c) a book (d) clean water
  21. 21.True or false: clean water is translucent. (a) True (b) False
  22. 22.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a straight stick (c) a clock to check (d) a balloon
  23. 23.⚖️ 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 measure it (c) we change it
  24. 24.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) a raincoat (c) a woollen sweater (d) nothing on your head
  25. 25.True or false: air is opaque. (a) False (b) True
  26. 26.🌞 When is a stick’s shadow the shortest? (a) late evening (b) early morning (c) around noon (d) at night
  27. 27.🔍 Which is the odd one out? (a) tissue paper (b) frosted glass (c) clear plastic film (d) oily paper
  28. 28.⚖️ 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 keep it the same (c) we measure it
  29. 29.True or false: yeast is needed for the shadow clock. (a) False (b) True
  30. 30.🔦 Which of these is translucent? (a) your hand (b) frosted glass (c) clean water (d) a book
  31. 31.🔦 Which of these is opaque? (a) frosted glass (b) tissue paper (c) clear glass (d) your hand
  32. 32.True or false: chalk to mark shadows is not needed for the shadow clock. (a) True (b) False
  33. 33.🔦 Which of these is translucent? (a) a steel plate (b) a book (c) a brick (d) butter paper
  34. 34.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is what we measure. (a) False (b) True
  35. 35.🔦 Which of these is translucent? (a) air (b) clear glass (c) a steel plate (d) tissue paper
  36. 36.True or false: a wooden board is transparent. (a) True (b) False
  37. 37.🕰️ What is a sundial used for? (a) making rainbows (b) telling the time (c) measuring rain (d) weighing things
  38. 38.🔦 Is tissue paper opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  39. 39.⚖️ 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) the stick kept upright (c) shadow length
  40. 40.🔦 Is a brick opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque

Answer key

  1. a sunny open place
  2. True
  3. clear glass
  4. a magnet
  5. opaque
  6. False
  7. a book
  8. bigger
  9. True
  10. the time of day
  11. True
  12. False
  13. translucent
  14. not needed
  15. a mirror
  16. turmeric powder
  17. needed
  18. a battery cell
  19. True
  20. a book
  21. False
  22. a balloon
  23. we change it
  24. a cap or hat
  25. False
  26. around noon
  27. clear plastic film
  28. we measure it
  29. False
  30. frosted glass
  31. your hand
  32. False
  33. butter paper
  34. True
  35. tissue paper
  36. False
  37. telling the time
  38. translucent
  39. the stick kept upright
  40. opaque

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