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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 966 · 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.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a straight stick (c) a magnet (d) a mirror
  2. 2.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a clock to check (c) turmeric powder (d) a straight stick
  3. 3.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
  4. 4.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
  5. 5.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same stick (b) the time of day (c) the same spot (d) shadow length
  6. 6.True or false: chalk to mark shadows is needed for the shadow clock. (a) True (b) False
  7. 7.🔦 Which of these is opaque? (a) oily paper (b) a wooden board (c) clear plastic film (d) tissue paper
  8. 8.True or false: clear plastic film is transparent. (a) False (b) True
  9. 9.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) long (b) round (c) missing (d) short
  10. 10.True or false: clear plastic film is opaque. (a) False (b) True
  11. 11.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a battery cell (c) chalk to mark shadows (d) a sunny open place
  12. 12.True or false: a balloon is not needed for the shadow clock. (a) True (b) False
  13. 13.🔦 Is air opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  14. 14.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) smaller (c) coloured (d) brighter
  15. 15.🔦 Which of these is opaque? (a) frosted glass (b) a book (c) butter paper (d) clean water
  16. 16.True or false: a clock to check is needed for the shadow clock. (a) True (b) False
  17. 17.True or false: oily paper is opaque. (a) True (b) False
  18. 18.⚖️ 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
  19. 19.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is what we measure. (a) False (b) True
  20. 20.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) mark with chalk (c) look straight at the Sun (d) wear a cap
  21. 21.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) west (c) north (d) east
  22. 22.🔍 Which is the odd one out? (a) a wooden board (b) a book (c) a steel plate (d) tissue paper
  23. 23.🔦 Is butter paper opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  24. 24.🔦 Which of these is transparent? (a) oily paper (b) a book (c) air (d) your hand
  25. 25.🔦 Which of these is transparent? (a) a steel plate (b) a wooden board (c) clean water (d) butter paper
  26. 26.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a sunny open place (c) a balloon (d) chalk to mark shadows
  27. 27.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) a straight stick (c) chalk to mark shadows (d) a sunny open place
  28. 28.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  29. 29.🧺 Do we need a battery cell for the shadow clock? (a) not needed (b) needed
  30. 30.⚖️ 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
  31. 31.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
  32. 32.True or false: tissue paper is opaque. (a) False (b) True
  33. 33.⚖️ 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
  34. 34.🔍 Which is the odd one out? (a) butter paper (b) frosted glass (c) a steel plate (d) oily paper
  35. 35.⚖️ 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
  36. 36.True or false: a steel plate is translucent. (a) True (b) False
  37. 37.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we keep it the same (b) we measure it (c) we change it
  38. 38.🔦 Which of these is translucent? (a) air (b) oily paper (c) a wooden board (d) clear glass
  39. 39.🌞 When is a stick’s shadow the shortest? (a) early morning (b) at night (c) around noon (d) late evening
  40. 40.🔦 Which of these is opaque? (a) frosted glass (b) butter paper (c) clear glass (d) your hand

Answer key

  1. a straight stick
  2. turmeric powder
  3. needed
  4. not needed
  5. shadow length
  6. True
  7. a wooden board
  8. True
  9. long
  10. False
  11. a battery cell
  12. True
  13. transparent
  14. bigger
  15. a book
  16. True
  17. False
  18. we measure it
  19. False
  20. look straight at the Sun
  21. west
  22. tissue paper
  23. translucent
  24. air
  25. clean water
  26. a balloon
  27. turmeric powder
  28. translucent
  29. not needed
  30. the time of day
  31. not needed
  32. False
  33. the same stick
  34. a steel plate
  35. True
  36. False
  37. we keep it the same
  38. oily paper
  39. around noon
  40. your hand

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