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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 411 · 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) a wooden board (c) butter paper (d) a steel plate
  2. 2.⚖️ 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
  3. 3.True or false: yeast is not needed for the shadow clock. (a) False (b) True
  4. 4.🌞 When is a stick’s shadow the shortest? (a) late evening (b) at night (c) early morning (d) around noon
  5. 5.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) east (c) west (d) north
  6. 6.🔍 Which is the odd one out? (a) a wooden board (b) a book (c) tissue paper (d) a brick
  7. 7.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the time of day (b) the same spot (c) shadow length (d) the stick kept upright
  8. 8.🔦 Which of these is opaque? (a) clean water (b) butter paper (c) clear glass (d) a steel plate
  9. 9.⚖️ 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
  10. 10.True or false: a magnet is not needed for the shadow clock. (a) True (b) False
  11. 11.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) coloured (c) brighter (d) smaller
  12. 12.🔍 Which is the odd one out? (a) oily paper (b) tissue paper (c) a brick (d) frosted glass
  13. 13.🛟 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
  14. 14.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  15. 15.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) short (c) long (d) round
  16. 16.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
  17. 17.🔍 Which is the odd one out? (a) a brick (b) frosted glass (c) a wooden board (d) your hand
  18. 18.⚖️ 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
  19. 19.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) turmeric powder (c) a mirror (d) chalk to mark shadows
  20. 20.⚖️ 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 spot
  21. 21.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) shadow length (b) the time of day (c) the stick kept upright
  22. 22.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a balloon (c) a straight stick (d) a sunny open place
  23. 23.True or false: frosted glass is translucent. (a) False (b) True
  24. 24.True or false: butter paper is opaque. (a) False (b) True
  25. 25.🔦 Is clear glass opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  26. 26.🔦 Which of these is opaque? (a) air (b) oily paper (c) frosted glass (d) a book
  27. 27.⚖️ 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 stick kept upright (d) the same stick
  28. 28.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a clock to check (c) a battery cell (d) a straight stick
  29. 29.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
  30. 30.🧺 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 clock to check (d) yeast
  31. 31.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) a woollen sweater (c) a raincoat (d) nothing on your head
  32. 32.🔦 Which of these is transparent? (a) a wooden board (b) oily paper (c) clear plastic film (d) a brick
  33. 33.⚖️ 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
  34. 34.True or false: tissue paper is translucent. (a) False (b) True
  35. 35.📘 Why does a shadow form? (a) the ground is dark (b) the object is cold (c) an object blocks light (d) light bends round it
  36. 36.True or false: frosted glass is opaque. (a) False (b) True
  37. 37.🔮 Predict: on a fully cloudy day, the sundial ___. (a) shows two times (b) does not work well (c) works better (d) runs faster
  38. 38.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
  39. 39.True or false: a brick is translucent. (a) False (b) True
  40. 40.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) yeast (c) a clock to check (d) a straight stick

Answer key

  1. butter paper
  2. False
  3. True
  4. around noon
  5. west
  6. tissue paper
  7. the time of day
  8. a steel plate
  9. True
  10. True
  11. bigger
  12. a brick
  13. look straight at the Sun
  14. needed
  15. long
  16. not needed
  17. frosted glass
  18. we measure it
  19. chalk to mark shadows
  20. the same spot
  21. the stick kept upright
  22. a balloon
  23. True
  24. False
  25. transparent
  26. a book
  27. shadow length
  28. a battery cell
  29. not needed
  30. yeast
  31. a cap or hat
  32. clear plastic film
  33. we change it
  34. True
  35. an object blocks light
  36. False
  37. does not work well
  38. needed
  39. False
  40. yeast

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