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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 992 · 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.

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

Answer key

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

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