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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 359 · 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: a sunny open place is not needed for the shadow clock. (a) True (b) False
  2. 2.🔦 Which of these is translucent? (a) tissue paper (b) clear plastic film (c) clean water (d) a book
  3. 3.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
  4. 4.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is what we measure. (a) True (b) False
  5. 5.🔦 Is a wooden board opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  6. 6.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is the one thing we change. (a) True (b) False
  7. 7.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a mirror (c) a battery cell (d) a sunny open place
  8. 8.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) chalk to mark shadows (c) a straight stick (d) yeast
  9. 9.True or false: a book is opaque. (a) False (b) True
  10. 10.🔍 Which is the odd one out? (a) a steel plate (b) clear plastic film (c) clean water (d) air
  11. 11.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a mirror (c) a straight stick (d) turmeric powder
  12. 12.🔦 Which of these is opaque? (a) clean water (b) a wooden board (c) tissue paper (d) clear plastic film
  13. 13.True or false: a steel plate is transparent. (a) False (b) True
  14. 14.🔦 Is clear glass opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  15. 15.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a clock to check (c) a straight stick (d) a mirror
  16. 16.🔍 Which is the odd one out? (a) frosted glass (b) tissue paper (c) a brick (d) oily paper
  17. 17.⚖️ 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 stick kept upright (c) the time of day (d) the same stick
  18. 18.🔍 Which is the odd one out? (a) a brick (b) frosted glass (c) your hand (d) a steel plate
  19. 19.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) round (c) long (d) short
  20. 20.🌞 When is a stick’s shadow the shortest? (a) early morning (b) around noon (c) at night (d) late evening
  21. 21.🌍 Why does the stick’s shadow move during the day? (a) the ground slides (b) the stick grows (c) the stick walks (d) Earth keeps spinning
  22. 22.⚖️ 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 keep it the same (c) we measure it
  23. 23.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) wear a cap (c) sit in the shade (d) look straight at the Sun
  24. 24.True or false: a book is transparent. (a) True (b) False
  25. 25.🔦 Which of these is transparent? (a) clear glass (b) tissue paper (c) a book (d) frosted glass
  26. 26.⚖️ 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 time of day (c) shadow length (d) the stick kept upright
  27. 27.True or false: turmeric powder is needed for the shadow clock. (a) False (b) True
  28. 28.🔍 Which is the odd one out? (a) frosted glass (b) tissue paper (c) oily paper (d) clear glass
  29. 29.⚖️ 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) True (b) False
  30. 30.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a mirror (c) a balloon (d) a clock to check
  31. 31.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) chalk to mark shadows (c) a balloon (d) a clock to check
  32. 32.🔦 Is a book opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  33. 33.True or false: a book is translucent. (a) False (b) True
  34. 34.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a mirror (c) chalk to mark shadows (d) a magnet
  35. 35.🧺 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 battery cell
  36. 36.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) a woollen sweater (c) a raincoat (d) nothing on your head
  37. 37.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
  38. 38.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
  39. 39.🕰️ What is a sundial used for? (a) measuring rain (b) telling the time (c) making rainbows (d) weighing things
  40. 40.⚖️ 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

Answer key

  1. False
  2. tissue paper
  3. needed
  4. False
  5. opaque
  6. False
  7. a sunny open place
  8. yeast
  9. True
  10. a steel plate
  11. a straight stick
  12. a wooden board
  13. False
  14. transparent
  15. a mirror
  16. a brick
  17. shadow length
  18. frosted glass
  19. long
  20. around noon
  21. Earth keeps spinning
  22. we change it
  23. look straight at the Sun
  24. False
  25. clear glass
  26. the time of day
  27. False
  28. clear glass
  29. False
  30. a clock to check
  31. a balloon
  32. opaque
  33. False
  34. chalk to mark shadows
  35. a battery cell
  36. a cap or hat
  37. True
  38. needed
  39. telling the time
  40. True

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