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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 9 · 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.🔍 Which is the odd one out? (a) clean water (b) air (c) a steel plate (d) clear glass
  2. 2.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we keep it the same (b) we measure it (c) we change it
  3. 3.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) bigger (c) smaller (d) coloured
  4. 4.True or false: turmeric powder is needed for the shadow clock. (a) False (b) True
  5. 5.🔦 Is clean water opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  6. 6.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
  7. 7.True or false: a brick is opaque. (a) False (b) True
  8. 8.🔦 Which of these is transparent? (a) frosted glass (b) tissue paper (c) a wooden board (d) clear glass
  9. 9.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
  10. 10.🔦 Which of these is transparent? (a) butter paper (b) clean water (c) a steel plate (d) your hand
  11. 11.⚖️ 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 stick kept upright
  12. 12.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) sit in the shade (c) mark with chalk (d) look straight at the Sun
  13. 13.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
  14. 14.True or false: oily paper is translucent. (a) False (b) True
  15. 15.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) up (c) north (d) west
  16. 16.🔦 Is a wooden board opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  17. 17.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) chalk to mark shadows (c) a balloon (d) yeast
  18. 18.📘 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
  19. 19.True or false: clear glass is transparent. (a) False (b) True
  20. 20.⚖️ 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
  21. 21.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a magnet (b) a sunny open place (c) chalk to mark shadows (d) a clock to check
  22. 22.🔦 Which of these is opaque? (a) frosted glass (b) air (c) a book (d) butter paper
  23. 23.🔍 Which is the odd one out? (a) frosted glass (b) oily paper (c) butter paper (d) air
  24. 24.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
  25. 25.🌞 When is a stick’s shadow the shortest? (a) early morning (b) at night (c) late evening (d) around noon
  26. 26.🔍 Which is the odd one out? (a) a steel plate (b) a brick (c) frosted glass (d) your hand
  27. 27.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a straight stick (c) a battery cell (d) chalk to mark shadows
  28. 28.⚖️ 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
  29. 29.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
  30. 30.True or false: a sunny open place is needed for the shadow clock. (a) True (b) False
  31. 31.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a straight stick (c) a magnet (d) a balloon
  32. 32.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) does not work well (c) runs faster (d) shows two times
  33. 33.⚖️ 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
  34. 34.🔦 Which of these is opaque? (a) tissue paper (b) butter paper (c) a wooden board (d) clear glass
  35. 35.True or false: chalk to mark shadows is needed for the shadow clock. (a) False (b) True
  36. 36.🧺 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) turmeric powder
  37. 37.🔦 Is clear plastic film opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  38. 38.🔍 Which is the odd one out? (a) tissue paper (b) clean water (c) air (d) clear plastic film
  39. 39.🔍 Which is the odd one out? (a) clear glass (b) air (c) a wooden board (d) clear plastic film
  40. 40.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the stick kept upright (b) the time of day (c) shadow length (d) the same stick

Answer key

  1. a steel plate
  2. we measure it
  3. bigger
  4. False
  5. transparent
  6. needed
  7. True
  8. clear glass
  9. not needed
  10. clean water
  11. the stick kept upright
  12. look straight at the Sun
  13. not needed
  14. True
  15. west
  16. opaque
  17. chalk to mark shadows
  18. an object blocks light
  19. True
  20. True
  21. a magnet
  22. a book
  23. air
  24. not needed
  25. around noon
  26. frosted glass
  27. a battery cell
  28. we keep it the same
  29. needed
  30. True
  31. a straight stick
  32. does not work well
  33. True
  34. a wooden board
  35. True
  36. turmeric powder
  37. transparent
  38. tissue paper
  39. a wooden board
  40. shadow length

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