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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 360 · 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.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) wear a cap (c) look straight at the Sun (d) sit in the shade
  2. 2.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the time of day (b) shadow length (c) the same spot
  3. 3.🌞 When is a stick’s shadow the shortest? (a) late evening (b) around noon (c) early morning (d) at night
  4. 4.True or false: clear plastic film is transparent. (a) True (b) False
  5. 5.🔍 Which is the odd one out? (a) tissue paper (b) oily paper (c) a book (d) butter paper
  6. 6.🔦 Which of these is opaque? (a) clear glass (b) frosted glass (c) clear plastic film (d) a wooden board
  7. 7.True or false: a book is translucent. (a) True (b) False
  8. 8.True or false: a balloon is not needed for the shadow clock. (a) True (b) False
  9. 9.⚖️ 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
  10. 10.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
  11. 11.True or false: a book is opaque. (a) False (b) True
  12. 12.🔍 Which is the odd one out? (a) a book (b) your hand (c) a steel plate (d) frosted glass
  13. 13.🔦 Which of these is translucent? (a) air (b) a steel plate (c) tissue paper (d) a book
  14. 14.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
  15. 15.🧺 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
  16. 16.🔦 Is clear glass opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  17. 17.🕰️ What is a sundial used for? (a) making rainbows (b) telling the time (c) measuring rain (d) weighing things
  18. 18.True or false: a steel plate is translucent. (a) False (b) True
  19. 19.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a straight stick (c) a sunny open place (d) a balloon
  20. 20.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) a cap or hat (c) nothing on your head (d) a woollen sweater
  21. 21.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  22. 22.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) shadow length (b) the time of day (c) the same stick (d) the same spot
  23. 23.🧺 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 straight stick (d) turmeric powder
  24. 24.True or false: a balloon is needed for the shadow clock. (a) True (b) False
  25. 25.True or false: clean water is transparent. (a) False (b) True
  26. 26.True or false: tissue paper is translucent. (a) False (b) True
  27. 27.🔦 Is clear plastic film opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  28. 28.🔦 Which of these is transparent? (a) clear glass (b) frosted glass (c) oily paper (d) butter paper
  29. 29.🔦 Which of these is translucent? (a) a steel plate (b) air (c) butter paper (d) a wooden board
  30. 30.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a battery cell (b) a clock to check (c) chalk to mark shadows (d) a straight stick
  31. 31.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is what we measure. (a) False (b) True
  32. 32.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a mirror (c) chalk to mark shadows (d) a magnet
  33. 33.📘 Why does a shadow form? (a) light bends round it (b) the object is cold (c) the ground is dark (d) an object blocks light
  34. 34.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a sunny open place (c) a balloon (d) a straight stick
  35. 35.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) smaller (c) bigger (d) brighter
  36. 36.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is kept the same. (a) False (b) True
  37. 37.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we measure it (b) we change it (c) we keep it the same
  38. 38.🔍 Which is the odd one out? (a) butter paper (b) tissue paper (c) oily paper (d) a wooden board
  39. 39.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) long (c) round (d) short
  40. 40.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a battery cell (c) a clock to check (d) a straight stick

Answer key

  1. look straight at the Sun
  2. the same spot
  3. around noon
  4. True
  5. a book
  6. a wooden board
  7. False
  8. True
  9. True
  10. not needed
  11. True
  12. frosted glass
  13. tissue paper
  14. not needed
  15. a magnet
  16. transparent
  17. telling the time
  18. False
  19. a balloon
  20. a cap or hat
  21. needed
  22. the time of day
  23. turmeric powder
  24. False
  25. True
  26. True
  27. transparent
  28. clear glass
  29. butter paper
  30. a battery cell
  31. False
  32. chalk to mark shadows
  33. an object blocks light
  34. a balloon
  35. bigger
  36. True
  37. we keep it the same
  38. a wooden board
  39. long
  40. a battery cell

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