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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 103 · 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.True or false: a steel plate is translucent. (a) True (b) False
  2. 2.🔦 Is frosted glass opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  3. 3.🔍 Which is the odd one out? (a) frosted glass (b) oily paper (c) butter paper (d) a steel plate
  4. 4.⚖️ 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 stick (d) shadow length
  5. 5.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) brighter (c) coloured (d) bigger
  6. 6.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a mirror (c) a magnet (d) a sunny open place
  7. 7.True or false: clean water is translucent. (a) True (b) False
  8. 8.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a balloon (c) a straight stick (d) a magnet
  9. 9.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) a raincoat (c) nothing on your head (d) a woollen sweater
  10. 10.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we measure it (b) we keep it the same (c) we change it
  11. 11.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a sunny open place (c) yeast (d) chalk to mark shadows
  12. 12.🔦 Which of these is translucent? (a) a brick (b) a wooden board (c) frosted glass (d) a book
  13. 13.🛟 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
  14. 14.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
  15. 15.🔦 Which of these is opaque? (a) oily paper (b) tissue paper (c) your hand (d) butter paper
  16. 16.True or false: a balloon is needed for the shadow clock. (a) False (b) True
  17. 17.⚖️ 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 change it (c) we keep it the same
  18. 18.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we measure it (b) we keep it the same (c) we change it
  19. 19.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a clock to check (c) a mirror (d) a magnet
  20. 20.⚖️ 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
  21. 21.True or false: a straight stick is needed for the shadow clock. (a) True (b) False
  22. 22.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
  23. 23.🕰️ What is a sundial used for? (a) weighing things (b) making rainbows (c) telling the time (d) measuring rain
  24. 24.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
  25. 25.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is what we measure. (a) False (b) True
  26. 26.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  27. 27.🔦 Which of these is transparent? (a) tissue paper (b) frosted glass (c) air (d) a steel plate
  28. 28.🌍 Why does the stick’s shadow move during the day? (a) the stick walks (b) the stick grows (c) Earth keeps spinning (d) the ground slides
  29. 29.True or false: yeast is needed for the shadow clock. (a) True (b) False
  30. 30.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a mirror (b) a clock to check (c) a straight stick (d) chalk to mark shadows
  31. 31.🔍 Which is the odd one out? (a) clear plastic film (b) air (c) clear glass (d) frosted glass
  32. 32.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) chalk to mark shadows (d) a battery cell
  33. 33.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) west (c) east (d) up
  34. 34.True or false: a straight stick is not needed for the shadow clock. (a) False (b) True
  35. 35.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) does not work well (c) works better (d) shows two times
  36. 36.🔍 Which is the odd one out? (a) clear glass (b) clean water (c) a wooden board (d) air
  37. 37.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
  38. 38.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
  39. 39.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) a clock to check (d) yeast
  40. 40.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed

Answer key

  1. False
  2. translucent
  3. a steel plate
  4. the time of day
  5. bigger
  6. a sunny open place
  7. False
  8. a straight stick
  9. a cap or hat
  10. we keep it the same
  11. yeast
  12. frosted glass
  13. look straight at the Sun
  14. not needed
  15. your hand
  16. False
  17. we keep it the same
  18. we measure it
  19. a clock to check
  20. the same stick
  21. True
  22. needed
  23. telling the time
  24. not needed
  25. False
  26. opaque
  27. air
  28. Earth keeps spinning
  29. False
  30. a mirror
  31. frosted glass
  32. a battery cell
  33. west
  34. False
  35. does not work well
  36. a wooden board
  37. needed
  38. not needed
  39. yeast
  40. not needed

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