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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 154 · 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: yeast is not needed for the shadow clock. (a) False (b) True
  2. 2.🔦 Which of these is opaque? (a) a brick (b) frosted glass (c) clean water (d) oily paper
  3. 3.True or false: a wooden board is translucent. (a) False (b) True
  4. 4.🔦 Which of these is transparent? (a) butter paper (b) clear glass (c) tissue paper (d) a book
  5. 5.⚖️ 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 change it (c) we measure it
  6. 6.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is what we measure. (a) False (b) True
  7. 7.🧺 Which of these is needed for the shadow clock? (a) a clock to check (b) turmeric powder (c) yeast (d) a battery cell
  8. 8.🔍 Which is the odd one out? (a) clear plastic film (b) air (c) oily paper (d) clean water
  9. 9.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a balloon (c) a straight stick (d) a clock to check
  10. 10.🌞 When is a stick’s shadow the shortest? (a) at night (b) early morning (c) late evening (d) around noon
  11. 11.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) nothing on your head (c) a woollen sweater (d) a cap or hat
  12. 12.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
  13. 13.True or false: clean water is translucent. (a) True (b) False
  14. 14.🔦 Which of these is translucent? (a) your hand (b) tissue paper (c) a steel plate (d) a brick
  15. 15.⚖️ 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
  16. 16.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a mirror (c) a sunny open place (d) a balloon
  17. 17.True or false: a wooden board is transparent. (a) True (b) False
  18. 18.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is kept the same. (a) False (b) True
  19. 19.🔦 Which of these is transparent? (a) oily paper (b) butter paper (c) air (d) a brick
  20. 20.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we keep it the same (b) we measure it (c) we change it
  21. 21.True or false: a book is opaque. (a) False (b) True
  22. 22.🔦 Which of these is transparent? (a) clear plastic film (b) a book (c) your hand (d) frosted glass
  23. 23.⚖️ 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 stick kept upright (c) shadow length (d) the time of day
  24. 24.True or false: a book is transparent. (a) True (b) False
  25. 25.🔦 Is a brick opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  26. 26.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
  27. 27.True or false: a brick is transparent. (a) True (b) False
  28. 28.True or false: a straight stick is needed for the shadow clock. (a) False (b) True
  29. 29.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a battery cell (c) a sunny open place (d) a straight stick
  30. 30.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is kept the same. (a) True (b) False
  31. 31.🔦 Is clear plastic film opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  32. 32.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) sit in the shade (c) look straight at the Sun (d) mark with chalk
  33. 33.🧺 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 mirror (d) a sunny open place
  34. 34.🧺 Which of these is not needed for the shadow clock? (a) yeast (b) a sunny open place (c) chalk to mark shadows (d) a straight stick
  35. 35.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) chalk to mark shadows (d) a magnet
  36. 36.🧺 Which of these is needed for the shadow clock? (a) a straight stick (b) a magnet (c) a battery cell (d) yeast
  37. 37.🔍 Which is the odd one out? (a) frosted glass (b) clean water (c) butter paper (d) oily paper
  38. 38.True or false: a battery cell is needed for the shadow clock. (a) True (b) False
  39. 39.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a mirror (c) a straight stick (d) a sunny open place
  40. 40.True or false: a steel plate is translucent. (a) True (b) False

Answer key

  1. True
  2. a brick
  3. False
  4. clear glass
  5. we change it
  6. True
  7. a clock to check
  8. oily paper
  9. a balloon
  10. around noon
  11. a cap or hat
  12. needed
  13. False
  14. tissue paper
  15. False
  16. a sunny open place
  17. False
  18. False
  19. air
  20. we keep it the same
  21. True
  22. clear plastic film
  23. the time of day
  24. False
  25. opaque
  26. not needed
  27. False
  28. True
  29. a battery cell
  30. True
  31. transparent
  32. look straight at the Sun
  33. a mirror
  34. yeast
  35. a magnet
  36. a straight stick
  37. clean water
  38. False
  39. a mirror
  40. False

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