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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 937 · 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.True or false: clear plastic film is opaque. (a) False (b) True
  2. 2.🔦 Which of these is translucent? (a) a wooden board (b) clean water (c) frosted glass (d) a book
  3. 3.⚖️ 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
  4. 4.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
  5. 5.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a cap or hat (c) a raincoat (d) a woollen sweater
  6. 6.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) round (c) long (d) short
  7. 7.⚖️ 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 change it (c) we measure it
  8. 8.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a balloon (c) a magnet (d) a straight stick
  9. 9.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a mirror (c) a clock to check (d) chalk to mark shadows
  10. 10.🔦 Is a wooden board opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  11. 11.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is the one thing we change. (a) False (b) True
  12. 12.🔍 Which is the odd one out? (a) oily paper (b) butter paper (c) a wooden board (d) tissue paper
  13. 13.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
  14. 14.🌍 Why does the stick’s shadow move during the day? (a) the stick walks (b) the ground slides (c) Earth keeps spinning (d) the stick grows
  15. 15.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) chalk to mark shadows (c) a clock to check (d) yeast
  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) a battery cell
  17. 17.True or false: a magnet is needed for the shadow clock. (a) True (b) False
  18. 18.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) does not work well (c) works better (d) shows two times
  19. 19.⚖️ 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
  20. 20.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
  21. 21.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) west (b) north (c) east (d) up
  22. 22.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a battery cell (c) a clock to check (d) chalk to mark shadows
  23. 23.True or false: a balloon is not needed for the shadow clock. (a) False (b) True
  24. 24.🔦 Is butter paper opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  25. 25.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) chalk to mark shadows (c) a balloon (d) a clock to check
  26. 26.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) sit in the shade (c) look straight at the Sun (d) wear a cap
  27. 27.⚖️ 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) True (b) False
  28. 28.🔦 Is a steel plate opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  29. 29.🔦 Is a book opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  30. 30.🔍 Which is the odd one out? (a) tissue paper (b) a brick (c) a book (d) a wooden board
  31. 31.🧺 Which of these is needed for the shadow clock? (a) a clock to check (b) a magnet (c) turmeric powder (d) a battery cell
  32. 32.True or false: a wooden board is translucent. (a) True (b) False
  33. 33.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
  34. 34.🔦 Which of these is translucent? (a) oily paper (b) clear plastic film (c) a wooden board (d) clear glass
  35. 35.True or false: a balloon is needed for the shadow clock. (a) False (b) True
  36. 36.🔍 Which is the odd one out? (a) clear plastic film (b) butter paper (c) air (d) clean water
  37. 37.🔦 Is clean water opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  38. 38.🔦 Is clear plastic film opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  39. 39.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  40. 40.🕰️ What is a sundial used for? (a) weighing things (b) measuring rain (c) telling the time (d) making rainbows

Answer key

  1. False
  2. frosted glass
  3. True
  4. False
  5. a cap or hat
  6. long
  7. we measure it
  8. a straight stick
  9. a mirror
  10. opaque
  11. False
  12. a wooden board
  13. needed
  14. Earth keeps spinning
  15. yeast
  16. a battery cell
  17. False
  18. does not work well
  19. True
  20. not needed
  21. west
  22. a battery cell
  23. True
  24. translucent
  25. a balloon
  26. look straight at the Sun
  27. True
  28. opaque
  29. opaque
  30. tissue paper
  31. a clock to check
  32. False
  33. needed
  34. oily paper
  35. False
  36. butter paper
  37. transparent
  38. transparent
  39. needed
  40. telling the time

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