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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 974 · 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.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a clock to check (c) a magnet (d) chalk to mark shadows
  2. 2.🔍 Which is the odd one out? (a) clear plastic film (b) tissue paper (c) clean water (d) air
  3. 3.True or false: a straight stick is not needed for the shadow clock. (a) True (b) False
  4. 4.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) yeast (c) a straight stick (d) chalk to mark shadows
  5. 5.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we change it (b) we measure it (c) we keep it the same
  6. 6.True or false: chalk to mark shadows is not needed for the shadow clock. (a) True (b) False
  7. 7.True or false: a clock to check is not needed for the shadow clock. (a) False (b) True
  8. 8.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the same stick (b) shadow length (c) the time of day (d) the same spot
  9. 9.🌍 Why does the stick’s shadow move during the day? (a) the stick walks (b) the ground slides (c) the stick grows (d) Earth keeps spinning
  10. 10.⚖️ 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 time of day (d) the same stick
  11. 11.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a cap or hat (c) a raincoat (d) a woollen sweater
  12. 12.🔮 Predict: on a fully cloudy day, the sundial ___. (a) shows two times (b) does not work well (c) runs faster (d) works better
  13. 13.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is the one thing we change. (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 clock to check (d) turmeric powder
  15. 15.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) mark with chalk (c) sit in the shade (d) look straight at the Sun
  16. 16.⚖️ 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
  17. 17.🔍 Which is the odd one out? (a) air (b) clear plastic film (c) clear glass (d) frosted glass
  18. 18.🔦 Which of these is transparent? (a) clean water (b) a brick (c) oily paper (d) your hand
  19. 19.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
  20. 20.⚖️ 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
  21. 21.⚖️ 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
  22. 22.🔍 Which is the odd one out? (a) oily paper (b) frosted glass (c) tissue paper (d) a book
  23. 23.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
  24. 24.🧺 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
  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 measure it (b) we keep it the same (c) we change it
  26. 26.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a mirror (b) a sunny open place (c) a straight stick (d) a clock to check
  27. 27.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
  28. 28.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
  29. 29.🔍 Which is the odd one out? (a) a brick (b) your hand (c) butter paper (d) a book
  30. 30.🔦 Which of these is translucent? (a) a steel plate (b) butter paper (c) a brick (d) a book
  31. 31.True or false: clear glass is transparent. (a) False (b) True
  32. 32.True or false: air is opaque. (a) True (b) False
  33. 33.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) north (c) west (d) up
  34. 34.🔍 Which is the odd one out? (a) a wooden board (b) a book (c) your hand (d) clear plastic film
  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.🧺 Which of these is needed for the shadow clock? (a) a straight stick (b) turmeric powder (c) a magnet (d) yeast
  37. 37.True or false: tissue paper is opaque. (a) False (b) True
  38. 38.True or false: a battery cell is needed for the shadow clock. (a) False (b) True
  39. 39.True or false: a wooden board is opaque. (a) True (b) False
  40. 40.True or false: a brick is opaque. (a) True (b) False

Answer key

  1. a magnet
  2. tissue paper
  3. False
  4. yeast
  5. we change it
  6. False
  7. False
  8. the time of day
  9. Earth keeps spinning
  10. shadow length
  11. a cap or hat
  12. does not work well
  13. False
  14. turmeric powder
  15. look straight at the Sun
  16. False
  17. frosted glass
  18. clean water
  19. needed
  20. False
  21. True
  22. a book
  23. not needed
  24. a battery cell
  25. we keep it the same
  26. a mirror
  27. not needed
  28. not needed
  29. butter paper
  30. butter paper
  31. True
  32. False
  33. west
  34. clear plastic film
  35. the same stick
  36. a straight stick
  37. False
  38. False
  39. True
  40. True

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