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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 619 · 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? What do we do with “the time of day”? (a) we keep it the same (b) we measure it (c) we change it
  2. 2.⚖️ 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 time of day
  3. 3.🔦 Is butter paper opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  4. 4.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) turmeric powder (c) a clock to check (d) a straight stick
  5. 5.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we measure it (b) we keep it the same (c) we change it
  6. 6.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) look straight at the Sun (c) wear a cap (d) sit in the shade
  7. 7.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) yeast (b) a clock to check (c) a sunny open place (d) chalk to mark shadows
  8. 8.True or false: clear glass is opaque. (a) False (b) True
  9. 9.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) short (c) round (d) long
  10. 10.True or false: turmeric powder is needed for the shadow clock. (a) True (b) False
  11. 11.True or false: yeast is not needed for the shadow clock. (a) False (b) True
  12. 12.🔍 Which is the odd one out? (a) a steel plate (b) clear plastic film (c) clean water (d) clear glass
  13. 13.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
  14. 14.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) a cap or hat (c) a woollen sweater (d) nothing on your head
  15. 15.True or false: turmeric powder is not needed for the shadow clock. (a) False (b) True
  16. 16.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a straight stick (c) a balloon (d) a sunny open place
  17. 17.True or false: clear plastic film is transparent. (a) True (b) False
  18. 18.True or false: a straight stick is needed for the shadow clock. (a) True (b) False
  19. 19.🕰️ What is a sundial used for? (a) weighing things (b) telling the time (c) making rainbows (d) measuring rain
  20. 20.True or false: clean water is transparent. (a) False (b) True
  21. 21.🔍 Which is the odd one out? (a) oily paper (b) a book (c) a steel plate (d) a brick
  22. 22.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is what we measure. (a) False (b) True
  23. 23.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the same spot (b) the time of day (c) shadow length
  24. 24.🔍 Which is the odd one out? (a) clear glass (b) frosted glass (c) air (d) clean water
  25. 25.True or false: butter paper is transparent. (a) False (b) True
  26. 26.True or false: a clock to check is not needed for the shadow clock. (a) True (b) False
  27. 27.🔦 Which of these is translucent? (a) a book (b) butter paper (c) clean water (d) your hand
  28. 28.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a battery cell (c) a clock to check (d) a mirror
  29. 29.⚖️ 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) True (b) False
  30. 30.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) east (c) west (d) up
  31. 31.🧺 Which of these is needed for the shadow clock? (a) a sunny open place (b) a mirror (c) a balloon (d) yeast
  32. 32.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the same stick (b) shadow length (c) the time of day
  33. 33.🔍 Which is the odd one out? (a) clean water (b) clear glass (c) air (d) butter paper
  34. 34.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a straight stick (c) a clock to check (d) a balloon
  35. 35.🧺 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 mirror (d) chalk to mark shadows
  36. 36.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a clock to check (c) a sunny open place (d) yeast
  37. 37.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
  38. 38.True or false: oily paper is translucent. (a) False (b) True
  39. 39.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is what we measure. (a) False (b) True
  40. 40.True or false: tissue paper is opaque. (a) True (b) False

Answer key

  1. we change it
  2. shadow length
  3. translucent
  4. turmeric powder
  5. we measure it
  6. look straight at the Sun
  7. yeast
  8. False
  9. long
  10. False
  11. True
  12. a steel plate
  13. not needed
  14. a cap or hat
  15. True
  16. a balloon
  17. True
  18. True
  19. telling the time
  20. True
  21. oily paper
  22. False
  23. the same spot
  24. frosted glass
  25. False
  26. False
  27. butter paper
  28. a clock to check
  29. False
  30. west
  31. a sunny open place
  32. the same stick
  33. butter paper
  34. a balloon
  35. a mirror
  36. yeast
  37. not needed
  38. True
  39. False
  40. False

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