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Shadow and Sundial Experiment Worksheet

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

Answer key

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

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