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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 516 · 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 balloon (b) turmeric powder (c) a magnet (d) a straight stick
  2. 2.True or false: oily paper is opaque. (a) True (b) False
  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.🔍 Which is the odd one out? (a) your hand (b) oily paper (c) frosted glass (d) butter paper
  5. 5.🛟 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
  6. 6.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
  7. 7.⚖️ 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
  8. 8.True or false: butter paper is translucent. (a) True (b) False
  9. 9.🔦 Is tissue paper opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  10. 10.🧺 Which of these is not needed for the shadow clock? (a) yeast (b) chalk to mark shadows (c) a straight stick (d) a sunny open place
  11. 11.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) west (b) up (c) east (d) north
  12. 12.True or false: clean water is opaque. (a) False (b) True
  13. 13.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a straight stick (c) turmeric powder (d) a sunny open place
  14. 14.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
  15. 15.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) a raincoat (c) a cap or hat (d) nothing on your head
  16. 16.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
  17. 17.🔍 Which is the odd one out? (a) clear glass (b) air (c) a brick (d) clear plastic film
  18. 18.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a balloon (b) a sunny open place (c) a straight stick (d) chalk to mark shadows
  19. 19.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
  20. 20.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a sunny open place (c) chalk to mark shadows (d) yeast
  21. 21.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) yeast (c) a magnet (d) a sunny open place
  22. 22.🔦 Which of these is opaque? (a) clean water (b) a steel plate (c) clear glass (d) frosted glass
  23. 23.🔦 Is clear plastic film opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  24. 24.🔍 Which is the odd one out? (a) butter paper (b) a wooden board (c) a steel plate (d) your hand
  25. 25.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a straight stick (c) chalk to mark shadows (d) a mirror
  26. 26.🔦 Which of these is transparent? (a) clean water (b) frosted glass (c) a brick (d) a steel plate
  27. 27.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) False (b) True
  28. 28.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
  29. 29.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the time of day (b) the same spot (c) the same stick (d) shadow length
  30. 30.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) False (b) True
  31. 31.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is what we measure. (a) False (b) True
  32. 32.🧺 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 battery cell
  33. 33.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a sunny open place (c) a magnet (d) chalk to mark shadows
  34. 34.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we keep it the same (b) we change it (c) we measure it
  35. 35.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) shows two times (c) does not work well (d) runs faster
  36. 36.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a clock to check (c) a mirror (d) a straight stick
  37. 37.🌞 When is a stick’s shadow the shortest? (a) early morning (b) late evening (c) at night (d) around noon
  38. 38.True or false: chalk to mark shadows is needed for the shadow clock. (a) True (b) False
  39. 39.🔦 Which of these is opaque? (a) frosted glass (b) butter paper (c) a wooden board (d) clean water
  40. 40.True or false: a straight stick is not needed for the shadow clock. (a) False (b) True

Answer key

  1. a straight stick
  2. False
  3. True
  4. your hand
  5. look straight at the Sun
  6. not needed
  7. False
  8. True
  9. translucent
  10. yeast
  11. west
  12. False
  13. turmeric powder
  14. not needed
  15. a cap or hat
  16. not needed
  17. a brick
  18. a balloon
  19. needed
  20. yeast
  21. a sunny open place
  22. a steel plate
  23. transparent
  24. butter paper
  25. a mirror
  26. clean water
  27. True
  28. needed
  29. the time of day
  30. False
  31. False
  32. a battery cell
  33. a magnet
  34. we keep it the same
  35. does not work well
  36. a mirror
  37. around noon
  38. True
  39. a wooden board
  40. False

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