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Shadow and Sundial Experiment Worksheet

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

Answer key

  1. a cap or hat
  2. False
  3. look straight at the Sun
  4. False
  5. a battery cell
  6. True
  7. True
  8. True
  9. a balloon
  10. clean water
  11. turmeric powder
  12. True
  13. bigger
  14. butter paper
  15. yeast
  16. a sunny open place
  17. needed
  18. True
  19. long
  20. False
  21. needed
  22. the stick kept upright
  23. True
  24. False
  25. False
  26. telling the time
  27. we keep it the same
  28. we change it
  29. the time of day
  30. we keep it the same
  31. True
  32. opaque
  33. clean water
  34. not needed
  35. air
  36. a magnet
  37. False
  38. True
  39. False
  40. a mirror

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