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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 105 · 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? True or false: the time of day is what we measure. (a) False (b) True
  2. 2.🔍 Which is the odd one out? (a) a brick (b) a book (c) oily paper (d) a steel plate
  3. 3.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the stick kept upright (b) the time of day (c) the same spot (d) the same stick
  4. 4.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
  5. 5.🧺 Which of these is not needed for the shadow clock? (a) a mirror (b) a straight stick (c) a clock to check (d) chalk to mark shadows
  6. 6.🔍 Which is the odd one out? (a) a wooden board (b) clear glass (c) a steel plate (d) a book
  7. 7.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a sunny open place (c) a clock to check (d) yeast
  8. 8.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
  9. 9.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is kept the same. (a) False (b) True
  10. 10.True or false: oily paper is transparent. (a) True (b) False
  11. 11.🌞 When is a stick’s shadow the shortest? (a) at night (b) late evening (c) early morning (d) around noon
  12. 12.🛟 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
  13. 13.True or false: clear plastic film is translucent. (a) True (b) False
  14. 14.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
  15. 15.🕰️ What is a sundial used for? (a) making rainbows (b) weighing things (c) measuring rain (d) telling the time
  16. 16.🌍 Why does the stick’s shadow move during the day? (a) the stick grows (b) Earth keeps spinning (c) the ground slides (d) the stick walks
  17. 17.🧺 Which of these is not needed for the shadow clock? (a) a magnet (b) a sunny open place (c) a straight stick (d) a clock to check
  18. 18.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
  19. 19.True or false: a book is transparent. (a) False (b) True
  20. 20.True or false: clear glass is translucent. (a) False (b) True
  21. 21.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
  22. 22.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) chalk to mark shadows (d) a mirror
  23. 23.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) west (c) east (d) north
  24. 24.⚖️ 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) True (b) False
  25. 25.True or false: a balloon is needed for the shadow clock. (a) False (b) True
  26. 26.🔦 Which of these is transparent? (a) a brick (b) butter paper (c) oily paper (d) clear plastic film
  27. 27.True or false: a mirror is not needed for the shadow clock. (a) True (b) False
  28. 28.True or false: yeast is needed for the shadow clock. (a) True (b) False
  29. 29.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we measure it (b) we keep it the same (c) we change it
  30. 30.True or false: a mirror is needed for the shadow clock. (a) False (b) True
  31. 31.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a clock to check (c) a battery cell (d) a sunny open place
  32. 32.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) turmeric powder (c) a sunny open place (d) a battery cell
  33. 33.True or false: a steel plate is opaque. (a) False (b) True
  34. 34.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a magnet (c) a straight stick (d) a mirror
  35. 35.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
  36. 36.⚖️ 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
  37. 37.True or false: a brick is transparent. (a) True (b) False
  38. 38.True or false: a battery cell is needed for the shadow clock. (a) True (b) False
  39. 39.🛟 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
  40. 40.⚖️ 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

Answer key

  1. False
  2. oily paper
  3. the time of day
  4. needed
  5. a mirror
  6. clear glass
  7. yeast
  8. not needed
  9. True
  10. False
  11. around noon
  12. a cap or hat
  13. False
  14. False
  15. telling the time
  16. Earth keeps spinning
  17. a magnet
  18. not needed
  19. False
  20. False
  21. needed
  22. a mirror
  23. west
  24. False
  25. False
  26. clear plastic film
  27. True
  28. False
  29. we keep it the same
  30. False
  31. a battery cell
  32. a sunny open place
  33. True
  34. a straight stick
  35. needed
  36. we change it
  37. False
  38. False
  39. look straight at the Sun
  40. we keep it the same

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