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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 150 · 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.True or false: a book is translucent. (a) True (b) False
  2. 2.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is the one thing we change. (a) True (b) False
  3. 3.True or false: oily paper is opaque. (a) True (b) False
  4. 4.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a magnet (c) a clock to check (d) a straight stick
  5. 5.True or false: a sunny open place is needed for the shadow clock. (a) True (b) False
  6. 6.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) nothing on your head (c) a raincoat (d) a woollen sweater
  7. 7.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
  8. 8.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is what we measure. (a) True (b) False
  9. 9.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is what we measure. (a) True (b) False
  10. 10.🧺 Do we need a battery cell for the shadow clock? (a) not needed (b) needed
  11. 11.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) chalk to mark shadows (d) a mirror
  12. 12.⚖️ 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
  13. 13.⚖️ 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 measure it (c) we change it
  14. 14.True or false: turmeric powder is not needed for the shadow clock. (a) True (b) False
  15. 15.🔦 Is a wooden board opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  16. 16.🔦 Which of these is opaque? (a) clear plastic film (b) clear glass (c) a steel plate (d) frosted glass
  17. 17.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
  18. 18.🔦 Is a book opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  19. 19.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
  20. 20.⚖️ 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
  21. 21.🔍 Which is the odd one out? (a) a wooden board (b) oily paper (c) butter paper (d) tissue paper
  22. 22.🕰️ What is a sundial used for? (a) telling the time (b) making rainbows (c) measuring rain (d) weighing things
  23. 23.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a balloon (c) a magnet (d) chalk to mark shadows
  24. 24.🔦 Which of these is transparent? (a) butter paper (b) frosted glass (c) tissue paper (d) air
  25. 25.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) chalk to mark shadows (c) a straight stick (d) a clock to check
  26. 26.🌍 Why does the stick’s shadow move during the day? (a) the ground slides (b) Earth keeps spinning (c) the stick walks (d) the stick grows
  27. 27.🔍 Which is the odd one out? (a) oily paper (b) clear plastic film (c) frosted glass (d) butter paper
  28. 28.🔦 Which of these is translucent? (a) a book (b) a wooden board (c) frosted glass (d) your hand
  29. 29.🔍 Which is the odd one out? (a) a brick (b) a steel plate (c) your hand (d) butter paper
  30. 30.🔍 Which is the odd one out? (a) a brick (b) tissue paper (c) a wooden board (d) a book
  31. 31.True or false: a magnet is not needed for the shadow clock. (a) False (b) True
  32. 32.True or false: oily paper is translucent. (a) True (b) False
  33. 33.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the same spot (b) the time of day (c) shadow length
  34. 34.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) smaller (c) coloured (d) brighter
  35. 35.True or false: your hand is translucent. (a) True (b) False
  36. 36.⚖️ 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 spot (b) the same stick (c) the time of day (d) the stick kept upright
  37. 37.🔍 Which is the odd one out? (a) tissue paper (b) oily paper (c) frosted glass (d) your hand
  38. 38.⚖️ 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) True (b) False
  39. 39.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
  40. 40.🔦 Which of these is opaque? (a) air (b) oily paper (c) tissue paper (d) a wooden board

Answer key

  1. False
  2. False
  3. False
  4. a magnet
  5. True
  6. a cap or hat
  7. not needed
  8. False
  9. False
  10. not needed
  11. a mirror
  12. True
  13. we keep it the same
  14. True
  15. opaque
  16. a steel plate
  17. needed
  18. opaque
  19. not needed
  20. False
  21. a wooden board
  22. telling the time
  23. chalk to mark shadows
  24. air
  25. turmeric powder
  26. Earth keeps spinning
  27. clear plastic film
  28. frosted glass
  29. butter paper
  30. tissue paper
  31. True
  32. True
  33. the same spot
  34. bigger
  35. False
  36. the time of day
  37. your hand
  38. True
  39. not needed
  40. a wooden board

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