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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 528 · 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.🛟 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
  2. 2.🔦 Is a steel plate opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  3. 3.True or false: clear glass is transparent. (a) False (b) True
  4. 4.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we measure it (b) we keep it the same (c) we change it
  5. 5.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) long (c) missing (d) round
  6. 6.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) wear a cap (c) sit in the shade (d) mark with chalk
  7. 7.True or false: a mirror is needed for the shadow clock. (a) False (b) True
  8. 8.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
  9. 9.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
  10. 10.True or false: clean water is opaque. (a) False (b) True
  11. 11.True or false: a straight stick is needed for the shadow clock. (a) True (b) False
  12. 12.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
  13. 13.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a clock to check (c) a straight stick (d) yeast
  14. 14.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  15. 15.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
  16. 16.⚖️ 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
  17. 17.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a balloon (c) chalk to mark shadows (d) a clock to check
  18. 18.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is what we measure. (a) True (b) False
  19. 19.⚖️ 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
  20. 20.🔍 Which is the odd one out? (a) frosted glass (b) a steel plate (c) tissue paper (d) butter paper
  21. 21.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) bigger (c) coloured (d) smaller
  22. 22.⚖️ 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
  23. 23.🔦 Which of these is translucent? (a) your hand (b) tissue paper (c) a brick (d) a wooden board
  24. 24.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a sunny open place (c) a mirror (d) a clock to check
  25. 25.⚖️ 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 same stick
  26. 26.🔍 Which is the odd one out? (a) a brick (b) tissue paper (c) oily paper (d) butter paper
  27. 27.🔍 Which is the odd one out? (a) oily paper (b) a brick (c) your hand (d) a wooden board
  28. 28.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) chalk to mark shadows (c) a straight stick (d) a magnet
  29. 29.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
  30. 30.True or false: yeast is needed for the shadow clock. (a) False (b) True
  31. 31.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) chalk to mark shadows (c) yeast (d) a clock to check
  32. 32.🔦 Which of these is translucent? (a) clean water (b) a wooden board (c) butter paper (d) a brick
  33. 33.True or false: a sunny open place is not needed for the shadow clock. (a) True (b) False
  34. 34.True or false: tissue paper is transparent. (a) True (b) False
  35. 35.⚖️ 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 same stick (c) the time of day
  36. 36.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is the one thing we change. (a) True (b) False
  37. 37.🔦 Which of these is transparent? (a) clean water (b) a book (c) a steel plate (d) oily paper
  38. 38.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a straight stick (c) a sunny open place (d) a battery cell
  39. 39.🔍 Which is the odd one out? (a) tissue paper (b) a wooden board (c) frosted glass (d) butter paper
  40. 40.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a sunny open place (c) a straight stick (d) turmeric powder

Answer key

  1. a cap or hat
  2. opaque
  3. True
  4. we keep it the same
  5. long
  6. look straight at the Sun
  7. False
  8. needed
  9. needed
  10. False
  11. True
  12. not needed
  13. yeast
  14. opaque
  15. False
  16. we measure it
  17. a balloon
  18. False
  19. we change it
  20. a steel plate
  21. bigger
  22. True
  23. tissue paper
  24. a mirror
  25. the time of day
  26. a brick
  27. oily paper
  28. a magnet
  29. needed
  30. False
  31. yeast
  32. butter paper
  33. False
  34. False
  35. the same stick
  36. False
  37. clean water
  38. a battery cell
  39. a wooden board
  40. turmeric powder

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