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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 804 · 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 is the odd one out? (a) a book (b) tissue paper (c) oily paper (d) frosted glass
  2. 2.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
  3. 3.⚖️ 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
  4. 4.🔍 Which is the odd one out? (a) butter paper (b) a brick (c) a book (d) a steel plate
  5. 5.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) smaller (c) coloured (d) bigger
  6. 6.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
  7. 7.True or false: air is transparent. (a) True (b) False
  8. 8.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
  9. 9.True or false: a battery cell is not needed for the shadow clock. (a) True (b) False
  10. 10.⚖️ 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
  11. 11.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) round (c) long (d) missing
  12. 12.🔦 Which of these is translucent? (a) clean water (b) a brick (c) tissue paper (d) clear plastic film
  13. 13.True or false: a clock to check is not needed for the shadow clock. (a) True (b) False
  14. 14.🔦 Is oily paper opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  15. 15.True or false: a balloon is needed for the shadow clock. (a) False (b) True
  16. 16.True or false: turmeric powder is needed for the shadow clock. (a) False (b) True
  17. 17.True or false: yeast is needed for the shadow clock. (a) False (b) True
  18. 18.⚖️ 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) shadow length (c) the stick kept upright (d) the same stick
  19. 19.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) shows two times (c) does not work well (d) runs faster
  20. 20.True or false: a straight stick is not needed for the shadow clock. (a) True (b) False
  21. 21.🔍 Which is the odd one out? (a) clear plastic film (b) clean water (c) air (d) a wooden board
  22. 22.🔦 Is a steel plate opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  23. 23.True or false: clear glass is translucent. (a) False (b) True
  24. 24.🔦 Is your hand opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  25. 25.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) nothing on your head (c) a raincoat (d) a woollen sweater
  26. 26.⚖️ 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 change it (c) we measure it
  27. 27.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a balloon (c) chalk to mark shadows (d) a straight stick
  28. 28.🔦 Which of these is opaque? (a) a steel plate (b) oily paper (c) tissue paper (d) butter paper
  29. 29.🔦 Which of these is opaque? (a) butter paper (b) a book (c) clear glass (d) clean water
  30. 30.🔍 Which is the odd one out? (a) your hand (b) a wooden board (c) a book (d) clear plastic film
  31. 31.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we change it (b) we keep it the same (c) we measure it
  32. 32.🔦 Which of these is opaque? (a) oily paper (b) tissue paper (c) clear plastic film (d) a wooden board
  33. 33.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) look straight at the Sun (c) mark with chalk (d) wear a cap
  34. 34.True or false: a sunny open place is needed for the shadow clock. (a) True (b) False
  35. 35.🔦 Is frosted glass opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  36. 36.🧺 Which of these is not needed for the shadow clock? (a) turmeric powder (b) a straight stick (c) chalk to mark shadows (d) a sunny open place
  37. 37.🔍 Which is the odd one out? (a) a book (b) a wooden board (c) a brick (d) clean water
  38. 38.🔍 Which is the odd one out? (a) frosted glass (b) clean water (c) air (d) clear plastic film
  39. 39.True or false: a brick is opaque. (a) False (b) True
  40. 40.True or false: clean water is opaque. (a) True (b) False

Answer key

  1. a book
  2. not needed
  3. we keep it the same
  4. butter paper
  5. bigger
  6. not needed
  7. True
  8. not needed
  9. True
  10. True
  11. long
  12. tissue paper
  13. False
  14. translucent
  15. False
  16. False
  17. False
  18. shadow length
  19. does not work well
  20. False
  21. a wooden board
  22. opaque
  23. False
  24. opaque
  25. a cap or hat
  26. we keep it the same
  27. a balloon
  28. a steel plate
  29. a book
  30. clear plastic film
  31. we measure it
  32. a wooden board
  33. look straight at the Sun
  34. True
  35. translucent
  36. turmeric powder
  37. clean water
  38. frosted glass
  39. True
  40. False

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