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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 256 · 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 of these is needed for the shadow clock? (a) a magnet (b) a sunny open place (c) a mirror (d) a battery cell
  2. 2.🌍 Why does the stick’s shadow move during the day? (a) the ground slides (b) the stick grows (c) Earth keeps spinning (d) the stick walks
  3. 3.🔍 Which is the odd one out? (a) air (b) oily paper (c) clean water (d) clear glass
  4. 4.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) up (c) east (d) west
  5. 5.🔍 Which is the odd one out? (a) tissue paper (b) a brick (c) a wooden board (d) a steel plate
  6. 6.⚖️ 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) False (b) True
  7. 7.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
  8. 8.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a battery cell (c) a straight stick (d) chalk to mark shadows
  9. 9.True or false: a steel plate is translucent. (a) False (b) True
  10. 10.True or false: a straight stick is not needed for the shadow clock. (a) False (b) True
  11. 11.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) a cap or hat (c) nothing on your head (d) a woollen sweater
  12. 12.⚖️ 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
  13. 13.True or false: a magnet is not needed for the shadow clock. (a) True (b) False
  14. 14.True or false: a balloon is not needed for the shadow clock. (a) False (b) True
  15. 15.🔍 Which is the odd one out? (a) frosted glass (b) a book (c) a wooden board (d) a steel plate
  16. 16.🔦 Which of these is opaque? (a) clean water (b) clear glass (c) air (d) a wooden board
  17. 17.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) runs faster (c) shows two times (d) does not work well
  18. 18.True or false: a straight stick is needed for the shadow clock. (a) True (b) False
  19. 19.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) long (c) short (d) missing
  20. 20.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a magnet (c) chalk to mark shadows (d) a sunny open place
  21. 21.⚖️ 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 spot (b) the same stick (c) the time of day (d) shadow length
  22. 22.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is kept the same. (a) False (b) True
  23. 23.⚖️ 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) False (b) True
  24. 24.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) chalk to mark shadows (c) turmeric powder (d) a mirror
  25. 25.🔦 Is butter paper opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  26. 26.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a balloon (c) a clock to check (d) a battery cell
  27. 27.🔍 Which is the odd one out? (a) clean water (b) your hand (c) clear glass (d) air
  28. 28.True or false: frosted glass is transparent. (a) True (b) False
  29. 29.🔦 Which of these is opaque? (a) clear plastic film (b) frosted glass (c) a steel plate (d) air
  30. 30.True or false: a sunny open place is not needed for the shadow clock. (a) True (b) False
  31. 31.True or false: a mirror is needed for the shadow clock. (a) True (b) False
  32. 32.True or false: a clock to check is not needed for the shadow clock. (a) False (b) True
  33. 33.📘 Why does a shadow form? (a) the object is cold (b) light bends round it (c) an object blocks light (d) the ground is dark
  34. 34.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a straight stick (c) turmeric powder (d) chalk to mark shadows
  35. 35.🔦 Which of these is transparent? (a) a book (b) butter paper (c) oily paper (d) air
  36. 36.🔦 Which of these is translucent? (a) your hand (b) a steel plate (c) a wooden board (d) frosted glass
  37. 37.True or false: a book is opaque. (a) False (b) True
  38. 38.🔦 Is clean water opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  39. 39.🔦 Which of these is translucent? (a) a wooden board (b) clear plastic film (c) oily paper (d) a book
  40. 40.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) look straight at the Sun (c) wear a cap (d) sit in the shade

Answer key

  1. a sunny open place
  2. Earth keeps spinning
  3. oily paper
  4. west
  5. tissue paper
  6. False
  7. not needed
  8. a battery cell
  9. False
  10. False
  11. a cap or hat
  12. we measure it
  13. True
  14. True
  15. frosted glass
  16. a wooden board
  17. does not work well
  18. True
  19. long
  20. a magnet
  21. the time of day
  22. True
  23. True
  24. chalk to mark shadows
  25. translucent
  26. a clock to check
  27. your hand
  28. False
  29. a steel plate
  30. False
  31. False
  32. False
  33. an object blocks light
  34. turmeric powder
  35. air
  36. frosted glass
  37. True
  38. transparent
  39. oily paper
  40. look straight at the Sun

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