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Shadow and Sundial Experiment Worksheet

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

Answer key

  1. does not work well
  2. a clock to check
  3. False
  4. a straight stick
  5. a sunny open place
  6. True
  7. telling the time
  8. a balloon
  9. not needed
  10. False
  11. True
  12. clean water
  13. False
  14. a battery cell
  15. True
  16. your hand
  17. a cap or hat
  18. yeast
  19. the stick kept upright
  20. turmeric powder
  21. yeast
  22. bigger
  23. not needed
  24. around noon
  25. we keep it the same
  26. a magnet
  27. chalk to mark shadows
  28. oily paper
  29. Earth keeps spinning
  30. look straight at the Sun
  31. clear glass
  32. needed
  33. False
  34. a book
  35. True
  36. not needed
  37. butter paper
  38. we change it
  39. False
  40. frosted glass

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