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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 863 · 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.⚖️ 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
  2. 2.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a sunny open place (c) chalk to mark shadows (d) a battery cell
  3. 3.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) turmeric powder (c) a straight stick (d) a clock to check
  4. 4.True or false: chalk to mark shadows is needed for the shadow clock. (a) False (b) True
  5. 5.True or false: a straight stick is not needed for the shadow clock. (a) False (b) True
  6. 6.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a clock to check (c) a balloon (d) a sunny open place
  7. 7.🔍 Which is the odd one out? (a) a book (b) a wooden board (c) oily paper (d) a steel plate
  8. 8.True or false: a battery cell is not needed for the shadow clock. (a) False (b) True
  9. 9.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) shadow length (b) the time of day (c) the same spot
  10. 10.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
  11. 11.⚖️ 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 same spot (c) the time of day (d) shadow length
  12. 12.🧺 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) a straight stick
  13. 13.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) sit in the shade (c) look straight at the Sun (d) mark with chalk
  14. 14.True or false: a brick is transparent. (a) True (b) False
  15. 15.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) long (c) short (d) round
  16. 16.🔦 Which of these is opaque? (a) frosted glass (b) clean water (c) a wooden board (d) butter paper
  17. 17.🔦 Which of these is opaque? (a) air (b) clear plastic film (c) clean water (d) a steel plate
  18. 18.True or false: air is opaque. (a) False (b) True
  19. 19.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we keep it the same (b) we measure it (c) we change it
  20. 20.🔦 Is tissue paper opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  21. 21.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
  22. 22.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
  23. 23.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
  24. 24.🔍 Which is the odd one out? (a) a brick (b) a book (c) a steel plate (d) butter paper
  25. 25.True or false: a balloon is needed for the shadow clock. (a) True (b) False
  26. 26.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) nothing on your head (c) a woollen sweater (d) a cap or hat
  27. 27.🔦 Which of these is transparent? (a) oily paper (b) clear plastic film (c) butter paper (d) a steel plate
  28. 28.🕰️ What is a sundial used for? (a) weighing things (b) making rainbows (c) telling the time (d) measuring rain
  29. 29.🔦 Is oily paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  30. 30.⚖️ 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) False (b) True
  31. 31.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) smaller (c) brighter (d) bigger
  32. 32.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a straight stick (c) a magnet (d) chalk to mark shadows
  33. 33.🔍 Which is the odd one out? (a) a wooden board (b) a book (c) tissue paper (d) your hand
  34. 34.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is what we measure. (a) True (b) False
  35. 35.🔍 Which is the odd one out? (a) a steel plate (b) your hand (c) a book (d) frosted glass
  36. 36.🔦 Is butter paper opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  37. 37.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
  38. 38.True or false: turmeric powder is needed for the shadow clock. (a) False (b) True
  39. 39.⚖️ 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
  40. 40.📘 Why does a shadow form? (a) the object is cold (b) light bends round it (c) an object blocks light (d) the ground is dark

Answer key

  1. we measure it
  2. a battery cell
  3. turmeric powder
  4. True
  5. False
  6. a balloon
  7. oily paper
  8. True
  9. the same spot
  10. needed
  11. the time of day
  12. a balloon
  13. look straight at the Sun
  14. False
  15. long
  16. a wooden board
  17. a steel plate
  18. False
  19. we keep it the same
  20. translucent
  21. not needed
  22. needed
  23. not needed
  24. butter paper
  25. False
  26. a cap or hat
  27. clear plastic film
  28. telling the time
  29. translucent
  30. True
  31. bigger
  32. a magnet
  33. tissue paper
  34. False
  35. frosted glass
  36. translucent
  37. not needed
  38. False
  39. we keep it the same
  40. an object blocks light

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