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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 100 · 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.⚖️ 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
  2. 2.🔍 Which is the odd one out? (a) a book (b) a brick (c) a wooden board (d) air
  3. 3.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a sunny open place (c) a magnet (d) chalk to mark shadows
  4. 4.🔦 Which of these is transparent? (a) frosted glass (b) a book (c) a brick (d) clear plastic film
  5. 5.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) long (b) round (c) missing (d) short
  6. 6.True or false: yeast is not needed for the shadow clock. (a) False (b) True
  7. 7.🔦 Is oily paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  8. 8.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
  9. 9.🔦 Which of these is opaque? (a) a book (b) frosted glass (c) clear plastic film (d) butter paper
  10. 10.🔍 Which is the odd one out? (a) a steel plate (b) clean water (c) clear plastic film (d) clear glass
  11. 11.True or false: chalk to mark shadows is needed for the shadow clock. (a) False (b) True
  12. 12.🔦 Is clear plastic film opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  13. 13.🧺 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) turmeric powder
  14. 14.⚖️ 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
  15. 15.True or false: a balloon is not needed for the shadow clock. (a) False (b) True
  16. 16.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we change it (b) we measure it (c) we keep it the same
  17. 17.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) wear a cap (c) mark with chalk (d) look straight at the Sun
  18. 18.🕰️ What is a sundial used for? (a) weighing things (b) telling the time (c) measuring rain (d) making rainbows
  19. 19.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) coloured (c) smaller (d) brighter
  20. 20.🔦 Which of these is transparent? (a) oily paper (b) clear glass (c) your hand (d) butter paper
  21. 21.True or false: a straight stick is needed for the shadow clock. (a) False (b) True
  22. 22.⚖️ 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 change it (c) we measure it
  23. 23.True or false: tissue paper is translucent. (a) False (b) True
  24. 24.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a sunny open place (c) a battery cell (d) a clock to check
  25. 25.🔍 Which is the odd one out? (a) a steel plate (b) your hand (c) a brick (d) tissue paper
  26. 26.True or false: a brick is opaque. (a) True (b) False
  27. 27.🧺 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) a balloon
  28. 28.🛟 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
  29. 29.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
  30. 30.🔍 Which is the odd one out? (a) oily paper (b) tissue paper (c) butter paper (d) a book
  31. 31.🔦 Which of these is opaque? (a) clear glass (b) a steel plate (c) air (d) oily paper
  32. 32.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a balloon (c) a battery cell (d) a straight stick
  33. 33.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a clock to check (c) a magnet (d) a straight stick
  34. 34.🔍 Which is the odd one out? (a) clear glass (b) air (c) clear plastic film (d) butter paper
  35. 35.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same spot (b) the time of day (c) shadow length (d) the same stick
  36. 36.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
  37. 37.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
  38. 38.🧺 Which of these is not needed for the shadow clock? (a) a mirror (b) a sunny open place (c) chalk to mark shadows (d) a straight stick
  39. 39.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) yeast (c) a sunny open place (d) a straight stick
  40. 40.🧺 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) turmeric powder

Answer key

  1. True
  2. air
  3. a magnet
  4. clear plastic film
  5. long
  6. True
  7. translucent
  8. not needed
  9. a book
  10. a steel plate
  11. True
  12. transparent
  13. turmeric powder
  14. False
  15. True
  16. we keep it the same
  17. look straight at the Sun
  18. telling the time
  19. bigger
  20. clear glass
  21. True
  22. we keep it the same
  23. True
  24. a battery cell
  25. tissue paper
  26. True
  27. a balloon
  28. a cap or hat
  29. needed
  30. a book
  31. a steel plate
  32. a straight stick
  33. a magnet
  34. butter paper
  35. shadow length
  36. True
  37. needed
  38. a mirror
  39. yeast
  40. turmeric powder

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