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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 719 · 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 sunny open place (b) a clock to check (c) yeast (d) a straight stick
  2. 2.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a raincoat (c) a cap or hat (d) a woollen sweater
  3. 3.True or false: a book is transparent. (a) False (b) True
  4. 4.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) a magnet (d) chalk to mark shadows
  5. 5.True or false: tissue paper is transparent. (a) True (b) False
  6. 6.🔍 Which is the odd one out? (a) clear plastic film (b) your hand (c) a wooden board (d) a brick
  7. 7.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a mirror (b) a clock to check (c) chalk to mark shadows (d) a sunny open place
  8. 8.True or false: a brick is transparent. (a) True (b) False
  9. 9.True or false: air is transparent. (a) False (b) True
  10. 10.True or false: a mirror is not needed for the shadow clock. (a) False (b) True
  11. 11.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
  12. 12.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) long (c) missing (d) round
  13. 13.True or false: a balloon is needed for the shadow clock. (a) True (b) False
  14. 14.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same spot (b) the time of day (c) shadow length (d) the stick kept upright
  15. 15.🔦 Which of these is transparent? (a) oily paper (b) a wooden board (c) clear glass (d) butter paper
  16. 16.⚖️ 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
  17. 17.True or false: a straight stick is not needed for the shadow clock. (a) False (b) True
  18. 18.🕰️ What is a sundial used for? (a) making rainbows (b) weighing things (c) telling the time (d) measuring rain
  19. 19.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we measure it (b) we change it (c) we keep it the same
  20. 20.True or false: a sunny open place is not needed for the shadow clock. (a) True (b) False
  21. 21.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a balloon (c) a straight stick (d) a sunny open place
  22. 22.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) bigger (c) coloured (d) smaller
  23. 23.🔦 Which of these is opaque? (a) oily paper (b) a steel plate (c) clean water (d) air
  24. 24.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  25. 25.⚖️ 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
  26. 26.True or false: turmeric powder is not needed for the shadow clock. (a) False (b) True
  27. 27.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) runs faster (c) shows two times (d) does not work well
  28. 28.⚖️ 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 stick kept upright
  29. 29.🔍 Which is the odd one out? (a) butter paper (b) clean water (c) tissue paper (d) oily paper
  30. 30.⚖️ 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
  31. 31.🔦 Which of these is translucent? (a) a book (b) clean water (c) oily paper (d) your hand
  32. 32.True or false: oily paper is transparent. (a) False (b) True
  33. 33.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) east (c) west (d) up
  34. 34.🔦 Is frosted glass opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  35. 35.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a balloon (c) a battery cell (d) a straight stick
  36. 36.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) sit in the shade (c) look straight at the Sun (d) mark with chalk
  37. 37.🔍 Which is the odd one out? (a) oily paper (b) frosted glass (c) a book (d) butter paper
  38. 38.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) True (b) False
  39. 39.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the stick grows (c) the stick walks (d) the ground slides
  40. 40.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed

Answer key

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

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