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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 981 · 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.⚖️ 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) shadow length (c) the same stick (d) the same spot
  2. 2.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) a clock to check (c) a sunny open place (d) a straight stick
  3. 3.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) a balloon (d) chalk to mark shadows
  4. 4.True or false: a battery cell is needed for the shadow clock. (a) False (b) True
  5. 5.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) yeast (c) turmeric powder (d) chalk to mark shadows
  6. 6.🔍 Which is the odd one out? (a) tissue paper (b) clear plastic film (c) air (d) clear glass
  7. 7.True or false: a magnet is not needed for the shadow clock. (a) True (b) False
  8. 8.🔦 Is clean water opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  9. 9.True or false: a clock to check is needed for the shadow clock. (a) False (b) True
  10. 10.⚖️ 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
  11. 11.⚖️ 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 change it (c) we measure it
  12. 12.True or false: a balloon is not needed for the shadow clock. (a) True (b) False
  13. 13.🕰️ What is a sundial used for? (a) measuring rain (b) making rainbows (c) telling the time (d) weighing things
  14. 14.🔍 Which is the odd one out? (a) a book (b) air (c) a wooden board (d) a steel plate
  15. 15.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the stick walks (c) the stick grows (d) the ground slides
  16. 16.🔍 Which is the odd one out? (a) oily paper (b) butter paper (c) tissue paper (d) clean water
  17. 17.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a battery cell (c) a sunny open place (d) a straight stick
  18. 18.🔦 Which of these is opaque? (a) a wooden board (b) tissue paper (c) clean water (d) butter paper
  19. 19.🔍 Which is the odd one out? (a) air (b) oily paper (c) clean water (d) clear plastic film
  20. 20.True or false: tissue paper is transparent. (a) True (b) False
  21. 21.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a magnet (c) a sunny open place (d) a straight stick
  22. 22.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a clock to check (c) a balloon (d) a straight stick
  23. 23.🔦 Which of these is transparent? (a) a book (b) a steel plate (c) clear plastic film (d) a brick
  24. 24.🔦 Which of these is opaque? (a) your hand (b) butter paper (c) clear glass (d) clear plastic film
  25. 25.True or false: a mirror is not needed for the shadow clock. (a) False (b) True
  26. 26.🔦 Which of these is opaque? (a) butter paper (b) a steel plate (c) oily paper (d) tissue paper
  27. 27.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a straight stick (c) chalk to mark shadows (d) yeast
  28. 28.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a battery cell (c) a clock to check (d) a straight stick
  29. 29.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a straight stick (c) a balloon (d) a magnet
  30. 30.🔦 Is your hand opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  31. 31.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
  32. 32.🔦 Which of these is opaque? (a) butter paper (b) a book (c) oily paper (d) frosted glass
  33. 33.True or false: turmeric powder is needed for the shadow clock. (a) True (b) False
  34. 34.True or false: butter paper is translucent. (a) True (b) False
  35. 35.⚖️ 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
  36. 36.⚖️ 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) False (b) True
  37. 37.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) brighter (c) bigger (d) smaller
  38. 38.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) round (c) missing (d) long
  39. 39.True or false: turmeric powder is not needed for the shadow clock. (a) False (b) True
  40. 40.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) wear a cap (c) look straight at the Sun (d) sit in the shade

Answer key

  1. shadow length
  2. turmeric powder
  3. a balloon
  4. False
  5. chalk to mark shadows
  6. tissue paper
  7. True
  8. transparent
  9. True
  10. True
  11. we keep it the same
  12. True
  13. telling the time
  14. air
  15. Earth keeps spinning
  16. clean water
  17. a battery cell
  18. a wooden board
  19. oily paper
  20. False
  21. a magnet
  22. a balloon
  23. clear plastic film
  24. your hand
  25. True
  26. a steel plate
  27. yeast
  28. a battery cell
  29. a straight stick
  30. opaque
  31. False
  32. a book
  33. False
  34. True
  35. the same stick
  36. True
  37. bigger
  38. long
  39. True
  40. look straight at the Sun

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