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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 560 · 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.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) smaller (c) brighter (d) coloured
  2. 2.True or false: a brick is opaque. (a) False (b) True
  3. 3.🧺 Which of these is not needed for the shadow clock? (a) a battery cell (b) a straight stick (c) chalk to mark shadows (d) a clock to check
  4. 4.True or false: clear plastic film is translucent. (a) True (b) False
  5. 5.🔍 Which is the odd one out? (a) air (b) frosted glass (c) tissue paper (d) butter paper
  6. 6.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we measure it (b) we keep it the same (c) we change it
  7. 7.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a clock to check (c) yeast (d) a straight stick
  8. 8.🔦 Which of these is opaque? (a) a brick (b) tissue paper (c) oily paper (d) clean water
  9. 9.🔦 Which of these is transparent? (a) a brick (b) oily paper (c) frosted glass (d) clear glass
  10. 10.🔦 Is frosted glass opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  11. 11.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a magnet (c) a clock to check (d) turmeric powder
  12. 12.🔍 Which is the odd one out? (a) clear plastic film (b) a steel plate (c) a book (d) a brick
  13. 13.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
  14. 14.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) mark with chalk (c) wear a cap (d) look straight at the Sun
  15. 15.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a woollen sweater (c) a cap or hat (d) a raincoat
  16. 16.🔦 Is air opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  17. 17.True or false: a balloon is needed for the shadow clock. (a) False (b) True
  18. 18.🔍 Which is the odd one out? (a) a brick (b) your hand (c) a steel plate (d) butter paper
  19. 19.🧺 Which of these is needed for the shadow clock? (a) a sunny open place (b) a mirror (c) a balloon (d) yeast
  20. 20.True or false: frosted glass is translucent. (a) False (b) True
  21. 21.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
  22. 22.🌍 Why does the stick’s shadow move during the day? (a) the stick walks (b) the ground slides (c) the stick grows (d) Earth keeps spinning
  23. 23.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
  24. 24.True or false: a book is opaque. (a) True (b) False
  25. 25.⚖️ 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) the same spot (d) the time of day
  26. 26.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
  27. 27.True or false: clear glass is transparent. (a) False (b) True
  28. 28.🔍 Which is the odd one out? (a) air (b) clear glass (c) tissue paper (d) clean water
  29. 29.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) west (b) north (c) east (d) up
  30. 30.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
  31. 31.⚖️ 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
  32. 32.🧺 Which of these is not needed for the shadow clock? (a) turmeric powder (b) a clock to check (c) chalk to mark shadows (d) a sunny open place
  33. 33.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  34. 34.True or false: a clock to check is needed for the shadow clock. (a) False (b) True
  35. 35.🔍 Which is the odd one out? (a) clear plastic film (b) clear glass (c) a wooden board (d) clean water
  36. 36.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is the one thing we change. (a) True (b) False
  37. 37.🔦 Is a steel plate opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  38. 38.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) chalk to mark shadows (c) a mirror (d) a straight stick
  39. 39.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
  40. 40.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a magnet (c) chalk to mark shadows (d) a sunny open place

Answer key

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

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