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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 517 · 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.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
  2. 2.🔍 Which is the odd one out? (a) a book (b) clear glass (c) clean water (d) clear plastic film
  3. 3.🧺 Which of these is not needed for the shadow clock? (a) turmeric powder (b) a sunny open place (c) chalk to mark shadows (d) a clock to check
  4. 4.🛟 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
  5. 5.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) yeast (c) chalk to mark shadows (d) a clock to check
  6. 6.⚖️ 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
  7. 7.🌍 Why does the stick’s shadow move during the day? (a) the stick grows (b) Earth keeps spinning (c) the ground slides (d) the stick walks
  8. 8.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is the one thing we change. (a) False (b) True
  9. 9.True or false: yeast is not needed for the shadow clock. (a) True (b) False
  10. 10.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a balloon (c) a straight stick (d) a sunny open place
  11. 11.True or false: clear glass is translucent. (a) False (b) True
  12. 12.🔍 Which is the odd one out? (a) your hand (b) a brick (c) a wooden board (d) air
  13. 13.🔦 Is butter paper opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  14. 14.True or false: butter paper is transparent. (a) True (b) False
  15. 15.True or false: a clock to check is not needed for the shadow clock. (a) False (b) True
  16. 16.True or false: clean water is translucent. (a) True (b) False
  17. 17.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) wear a cap (c) sit in the shade (d) mark with chalk
  18. 18.🔍 Which is the odd one out? (a) oily paper (b) frosted glass (c) butter paper (d) your hand
  19. 19.True or false: a mirror is needed for the shadow clock. (a) True (b) False
  20. 20.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) chalk to mark shadows (c) a mirror (d) a straight stick
  21. 21.🔦 Which of these is transparent? (a) a book (b) your hand (c) clean water (d) butter paper
  22. 22.🔦 Which of these is translucent? (a) oily paper (b) a brick (c) clear plastic film (d) a steel plate
  23. 23.🕰️ What is a sundial used for? (a) making rainbows (b) weighing things (c) measuring rain (d) telling the time
  24. 24.🔦 Is a steel plate opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  25. 25.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) turmeric powder (c) a sunny open place (d) a clock to check
  26. 26.🔍 Which is the odd one out? (a) frosted glass (b) a wooden board (c) tissue paper (d) butter paper
  27. 27.🔍 Which is the odd one out? (a) tissue paper (b) a wooden board (c) a steel plate (d) a brick
  28. 28.True or false: oily paper is translucent. (a) True (b) False
  29. 29.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
  30. 30.True or false: a clock to check is needed for the shadow clock. (a) False (b) True
  31. 31.📘 Why does a shadow form? (a) an object blocks light (b) the ground is dark (c) light bends round it (d) the object is cold
  32. 32.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  33. 33.🔦 Is oily paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  34. 34.True or false: your hand is translucent. (a) False (b) True
  35. 35.🔍 Which is the odd one out? (a) a brick (b) a book (c) frosted glass (d) your hand
  36. 36.True or false: a steel plate is opaque. (a) True (b) False
  37. 37.🔍 Which is the odd one out? (a) clear glass (b) air (c) clear plastic film (d) butter paper
  38. 38.⚖️ 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 same spot (c) the stick kept upright (d) shadow length
  39. 39.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) chalk to mark shadows (c) a clock to check (d) a magnet
  40. 40.True or false: a balloon is not needed for the shadow clock. (a) True (b) False

Answer key

  1. needed
  2. a book
  3. turmeric powder
  4. a cap or hat
  5. yeast
  6. True
  7. Earth keeps spinning
  8. False
  9. True
  10. a balloon
  11. False
  12. air
  13. translucent
  14. False
  15. False
  16. False
  17. look straight at the Sun
  18. your hand
  19. False
  20. a mirror
  21. clean water
  22. oily paper
  23. telling the time
  24. opaque
  25. turmeric powder
  26. a wooden board
  27. tissue paper
  28. True
  29. not needed
  30. True
  31. an object blocks light
  32. opaque
  33. translucent
  34. False
  35. frosted glass
  36. True
  37. butter paper
  38. the time of day
  39. a magnet
  40. True

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