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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 968 · 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.

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  1. 1.🔍 Which is the odd one out? (a) a book (b) a steel plate (c) butter paper (d) a wooden board
  2. 2.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a battery cell (b) a clock to check (c) a sunny open place (d) a straight stick
  3. 3.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a clock to check (c) yeast (d) a straight stick
  4. 4.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the same stick (b) shadow length (c) the time of day
  5. 5.True or false: a steel plate is translucent. (a) True (b) False
  6. 6.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we change it (b) we measure it (c) we keep it the same
  7. 7.⚖️ 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 time of day (c) the same stick (d) the same spot
  8. 8.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
  9. 9.True or false: a wooden board is opaque. (a) True (b) False
  10. 10.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
  11. 11.True or false: a battery cell is needed for the shadow clock. (a) True (b) False
  12. 12.True or false: a clock to check is needed for the shadow clock. (a) False (b) True
  13. 13.⚖️ 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
  14. 14.🧺 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
  15. 15.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a straight stick (c) chalk to mark shadows (d) a magnet
  16. 16.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a battery cell (c) a straight stick (d) a sunny open place
  17. 17.🔮 Predict: on a fully cloudy day, the sundial ___. (a) shows two times (b) runs faster (c) does not work well (d) works better
  18. 18.True or false: clear plastic film is transparent. (a) False (b) True
  19. 19.🔦 Is your hand opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  20. 20.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a mirror (c) yeast (d) a straight stick
  21. 21.🔦 Which of these is opaque? (a) clear glass (b) a wooden board (c) air (d) frosted glass
  22. 22.🔦 Which of these is transparent? (a) tissue paper (b) clear glass (c) a brick (d) oily paper
  23. 23.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) sit in the shade (c) wear a cap (d) mark with chalk
  24. 24.True or false: a sunny open place is not needed for the shadow clock. (a) True (b) False
  25. 25.True or false: a book is transparent. (a) True (b) False
  26. 26.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) coloured (c) smaller (d) bigger
  27. 27.🔦 Which of these is transparent? (a) a book (b) a brick (c) tissue paper (d) clear plastic film
  28. 28.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is the one thing we change. (a) True (b) False
  29. 29.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) east (c) up (d) west
  30. 30.True or false: a balloon is needed for the shadow clock. (a) True (b) False
  31. 31.🔦 Is frosted glass opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  32. 32.🔦 Is a brick opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  33. 33.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
  34. 34.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) chalk to mark shadows (d) turmeric powder
  35. 35.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) round (c) short (d) long
  36. 36.🔦 Which of these is translucent? (a) your hand (b) air (c) tissue paper (d) a wooden board
  37. 37.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a balloon (c) chalk to mark shadows (d) a clock to check
  38. 38.🌍 Why does the stick’s shadow move during the day? (a) the stick grows (b) Earth keeps spinning (c) the stick walks (d) the ground slides
  39. 39.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
  40. 40.🔍 Which is the odd one out? (a) a wooden board (b) a steel plate (c) a brick (d) tissue paper

Answer key

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

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