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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 967 · 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.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  2. 2.True or false: turmeric powder is not needed for the shadow clock. (a) True (b) False
  3. 3.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a mirror (c) a magnet (d) a sunny open place
  4. 4.🔍 Which is the odd one out? (a) a wooden board (b) a brick (c) a steel plate (d) butter paper
  5. 5.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the stick kept upright (b) shadow length (c) the time of day
  6. 6.🔍 Which is the odd one out? (a) air (b) tissue paper (c) clean water (d) clear glass
  7. 7.🔦 Which of these is opaque? (a) a wooden board (b) clean water (c) clear glass (d) oily paper
  8. 8.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) yeast (c) a straight stick (d) a sunny open place
  9. 9.🔍 Which is the odd one out? (a) clear glass (b) your hand (c) a steel plate (d) a wooden board
  10. 10.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) smaller (c) coloured (d) brighter
  11. 11.🧺 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
  12. 12.🔦 Is butter paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  13. 13.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
  14. 14.🔍 Which is the odd one out? (a) a brick (b) a book (c) a wooden board (d) clear plastic film
  15. 15.🔦 Which of these is transparent? (a) a brick (b) clear plastic film (c) a steel plate (d) your hand
  16. 16.True or false: a book is opaque. (a) False (b) True
  17. 17.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) a raincoat (c) a cap or hat (d) nothing on your head
  18. 18.🔦 Is a steel plate opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  19. 19.🔍 Which is the odd one out? (a) a steel plate (b) a brick (c) air (d) a book
  20. 20.True or false: a balloon is needed for the shadow clock. (a) False (b) True
  21. 21.True or false: clear plastic film is opaque. (a) False (b) True
  22. 22.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) chalk to mark shadows (d) a battery cell
  23. 23.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) wear a cap (c) look straight at the Sun (d) sit in the shade
  24. 24.🌞 When is a stick’s shadow the shortest? (a) early morning (b) late evening (c) at night (d) around noon
  25. 25.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
  26. 26.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
  27. 27.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) shows two times (c) works better (d) does not work well
  28. 28.⚖️ 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 measure it (c) we change it
  29. 29.True or false: a brick is opaque. (a) False (b) True
  30. 30.🔦 Which of these is opaque? (a) clear glass (b) frosted glass (c) a steel plate (d) tissue paper
  31. 31.True or false: butter paper is translucent. (a) True (b) False
  32. 32.⚖️ 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) shadow length (c) the same stick (d) the same spot
  33. 33.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a sunny open place (c) chalk to mark shadows (d) a magnet
  34. 34.🔦 Is air opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  35. 35.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) chalk to mark shadows (c) a battery cell (d) a clock to check
  36. 36.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is the one thing we change. (a) True (b) False
  37. 37.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the stick kept upright (b) shadow length (c) the same spot (d) the time of day
  38. 38.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) west (c) north (d) up
  39. 39.🌍 Why does the stick’s shadow move during the day? (a) the ground slides (b) the stick walks (c) the stick grows (d) Earth keeps spinning
  40. 40.True or false: your hand is transparent. (a) True (b) False

Answer key

  1. needed
  2. True
  3. a sunny open place
  4. butter paper
  5. the stick kept upright
  6. tissue paper
  7. a wooden board
  8. yeast
  9. clear glass
  10. bigger
  11. a magnet
  12. translucent
  13. not needed
  14. clear plastic film
  15. clear plastic film
  16. True
  17. a cap or hat
  18. opaque
  19. air
  20. False
  21. False
  22. a battery cell
  23. look straight at the Sun
  24. around noon
  25. needed
  26. needed
  27. does not work well
  28. we keep it the same
  29. True
  30. a steel plate
  31. True
  32. the time of day
  33. a magnet
  34. transparent
  35. a battery cell
  36. False
  37. shadow length
  38. west
  39. Earth keeps spinning
  40. False

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