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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 358 · 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.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) look straight at the Sun (c) sit in the shade (d) wear a cap
  2. 2.🔦 Which of these is translucent? (a) a steel plate (b) clean water (c) your hand (d) frosted glass
  3. 3.True or false: turmeric powder is needed for the shadow clock. (a) True (b) False
  4. 4.🔍 Which is the odd one out? (a) air (b) frosted glass (c) clean water (d) clear glass
  5. 5.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the same stick (b) the time of day (c) the stick kept upright (d) the same spot
  6. 6.🔦 Which of these is translucent? (a) oily paper (b) a wooden board (c) clean water (d) a steel plate
  7. 7.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
  8. 8.True or false: chalk to mark shadows is not needed for the shadow clock. (a) True (b) False
  9. 9.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) chalk to mark shadows (c) a straight stick (d) yeast
  10. 10.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a cap or hat (c) a woollen sweater (d) a raincoat
  11. 11.🔍 Which is the odd one out? (a) tissue paper (b) oily paper (c) frosted glass (d) a steel plate
  12. 12.🔍 Which is the odd one out? (a) clear glass (b) your hand (c) a steel plate (d) a brick
  13. 13.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we keep it the same (b) we measure it (c) we change it
  14. 14.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
  15. 15.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) long (b) short (c) round (d) missing
  16. 16.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) a sunny open place (d) turmeric powder
  17. 17.🔍 Which is the odd one out? (a) oily paper (b) butter paper (c) clean water (d) frosted glass
  18. 18.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a sunny open place (c) a battery cell (d) turmeric powder
  19. 19.🔦 Is a brick opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  20. 20.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
  21. 21.⚖️ 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
  22. 22.⚖️ 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 same stick
  23. 23.True or false: air is transparent. (a) False (b) True
  24. 24.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) a sunny open place (d) a magnet
  25. 25.🔦 Is a book opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  26. 26.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we keep it the same (b) we measure it (c) we change it
  27. 27.🔦 Is your hand opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  28. 28.🔍 Which is the odd one out? (a) a brick (b) butter paper (c) a wooden board (d) a book
  29. 29.🧺 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 clock to check (d) a mirror
  30. 30.True or false: clean water is transparent. (a) True (b) False
  31. 31.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a battery cell (c) yeast (d) a clock to check
  32. 32.True or false: clear glass is translucent. (a) True (b) False
  33. 33.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) turmeric powder (c) chalk to mark shadows (d) a clock to check
  34. 34.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  35. 35.⚖️ 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
  36. 36.True or false: a mirror is not needed for the shadow clock. (a) True (b) False
  37. 37.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) east (c) up (d) west
  38. 38.🔦 Is frosted glass opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  39. 39.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
  40. 40.🔦 Which of these is opaque? (a) air (b) a wooden board (c) frosted glass (d) clean water

Answer key

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

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