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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 160 · 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.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) nothing on your head (c) a woollen sweater (d) a cap or hat
  2. 2.⚖️ 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) True (b) False
  3. 3.🔦 Which of these is opaque? (a) butter paper (b) air (c) a wooden board (d) frosted glass
  4. 4.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a balloon (b) chalk to mark shadows (c) a clock to check (d) a straight stick
  5. 5.True or false: a balloon is needed for the shadow clock. (a) True (b) False
  6. 6.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is what we measure. (a) True (b) False
  7. 7.🔍 Which is the odd one out? (a) frosted glass (b) tissue paper (c) butter paper (d) clear glass
  8. 8.True or false: a straight stick is needed for the shadow clock. (a) False (b) True
  9. 9.True or false: a straight stick is not needed for the shadow clock. (a) True (b) False
  10. 10.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) yeast (c) a clock to check (d) chalk to mark shadows
  11. 11.True or false: a wooden board is transparent. (a) True (b) False
  12. 12.🔍 Which is the odd one out? (a) oily paper (b) tissue paper (c) a brick (d) frosted glass
  13. 13.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a balloon (c) a magnet (d) chalk to mark shadows
  14. 14.🔦 Is clear plastic film opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  15. 15.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the time of day (b) the stick kept upright (c) the same stick (d) shadow length
  16. 16.🔍 Which is the odd one out? (a) a book (b) oily paper (c) a wooden board (d) a steel plate
  17. 17.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) brighter (c) bigger (d) smaller
  18. 18.⚖️ 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
  19. 19.True or false: a magnet is not needed for the shadow clock. (a) True (b) False
  20. 20.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) chalk to mark shadows (c) a clock to check (d) a straight stick
  21. 21.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) chalk to mark shadows (c) a balloon (d) a straight stick
  22. 22.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) does not work well (c) shows two times (d) runs faster
  23. 23.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
  24. 24.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) long (b) short (c) round (d) missing
  25. 25.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a magnet (b) a straight stick (c) a sunny open place (d) chalk to mark shadows
  26. 26.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) wear a cap (c) mark with chalk (d) look straight at the Sun
  27. 27.🌞 When is a stick’s shadow the shortest? (a) at night (b) late evening (c) around noon (d) early morning
  28. 28.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a straight stick (c) a magnet (d) chalk to mark shadows
  29. 29.🔍 Which is the odd one out? (a) clear glass (b) frosted glass (c) clear plastic film (d) clean water
  30. 30.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a sunny open place (c) yeast (d) a balloon
  31. 31.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
  32. 32.🔍 Which is the odd one out? (a) butter paper (b) tissue paper (c) your hand (d) frosted glass
  33. 33.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
  34. 34.True or false: clear glass is opaque. (a) False (b) True
  35. 35.🔦 Which of these is opaque? (a) tissue paper (b) clear glass (c) a brick (d) air
  36. 36.🔍 Which is the odd one out? (a) air (b) butter paper (c) clean water (d) clear glass
  37. 37.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we change it (b) we keep it the same (c) we measure it
  38. 38.⚖️ 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
  39. 39.⚖️ 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
  40. 40.True or false: a clock to check is needed for the shadow clock. (a) True (b) False

Answer key

  1. a cap or hat
  2. True
  3. a wooden board
  4. a balloon
  5. False
  6. True
  7. clear glass
  8. True
  9. False
  10. yeast
  11. False
  12. a brick
  13. chalk to mark shadows
  14. transparent
  15. shadow length
  16. oily paper
  17. bigger
  18. False
  19. True
  20. turmeric powder
  21. a balloon
  22. does not work well
  23. not needed
  24. long
  25. a magnet
  26. look straight at the Sun
  27. around noon
  28. a magnet
  29. frosted glass
  30. a sunny open place
  31. not needed
  32. your hand
  33. needed
  34. False
  35. a brick
  36. butter paper
  37. we keep it the same
  38. True
  39. we change it
  40. True

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