← Shadows and a sundial lesson New set →

Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 342 · 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: yeast is needed for the shadow clock. (a) True (b) False
  2. 2.🔍 Which is the odd one out? (a) oily paper (b) tissue paper (c) frosted glass (d) a steel plate
  3. 3.🔦 Which of these is transparent? (a) frosted glass (b) a steel plate (c) butter paper (d) clear glass
  4. 4.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) mark with chalk (c) sit in the shade (d) wear a cap
  5. 5.True or false: clear glass is transparent. (a) False (b) True
  6. 6.⚖️ 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
  7. 7.True or false: clean water is opaque. (a) False (b) True
  8. 8.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
  9. 9.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a magnet (b) a clock to check (c) a straight stick (d) chalk to mark shadows
  10. 10.🔦 Is clear plastic film opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  11. 11.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) shadow length (b) the same spot (c) the stick kept upright (d) the time of day
  12. 12.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) yeast (c) a clock to check (d) chalk to mark shadows
  13. 13.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a sunny open place (c) a straight stick (d) a battery cell
  14. 14.🔦 Is oily paper opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  15. 15.🌍 Why does the stick’s shadow move during the day? (a) the stick walks (b) the stick grows (c) the ground slides (d) Earth keeps spinning
  16. 16.🔦 Is tissue paper opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  17. 17.🔦 Is clean water opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  18. 18.True or false: a brick is opaque. (a) False (b) True
  19. 19.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
  20. 20.🔦 Is your hand opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  21. 21.🔍 Which is the odd one out? (a) clear plastic film (b) clean water (c) frosted glass (d) clear glass
  22. 22.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) shadow length (b) the same stick (c) the same spot (d) the time of day
  23. 23.⚖️ 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
  24. 24.🌞 When is a stick’s shadow the shortest? (a) at night (b) early morning (c) around noon (d) late evening
  25. 25.🔦 Is a steel plate opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  26. 26.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) brighter (c) smaller (d) bigger
  27. 27.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we keep it the same (b) we measure it (c) we change it
  28. 28.🔦 Which of these is translucent? (a) your hand (b) clear glass (c) air (d) oily paper
  29. 29.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
  30. 30.True or false: a battery cell is needed for the shadow clock. (a) True (b) False
  31. 31.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is the one thing we change. (a) True (b) False
  32. 32.True or false: butter paper is opaque. (a) False (b) True
  33. 33.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) chalk to mark shadows (c) a clock to check (d) a balloon
  34. 34.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
  35. 35.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
  36. 36.True or false: a magnet is needed for the shadow clock. (a) True (b) False
  37. 37.⚖️ 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) the same spot (c) shadow length
  38. 38.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a battery cell (c) a straight stick (d) turmeric powder
  39. 39.🔦 Is a brick opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  40. 40.🧺 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 sunny open place (d) a mirror

Answer key

  1. False
  2. a steel plate
  3. clear glass
  4. look straight at the Sun
  5. True
  6. we measure it
  7. False
  8. not needed
  9. a magnet
  10. transparent
  11. shadow length
  12. yeast
  13. a battery cell
  14. translucent
  15. Earth keeps spinning
  16. translucent
  17. transparent
  18. True
  19. needed
  20. opaque
  21. frosted glass
  22. the time of day
  23. we keep it the same
  24. around noon
  25. opaque
  26. bigger
  27. we change it
  28. oily paper
  29. not needed
  30. False
  31. False
  32. False
  33. a balloon
  34. not needed
  35. not needed
  36. False
  37. the same spot
  38. a straight stick
  39. opaque
  40. a mirror

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids