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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 265 · 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: oily paper is translucent. (a) True (b) False
  2. 2.🔍 Which is the odd one out? (a) a steel plate (b) a wooden board (c) frosted glass (d) a brick
  3. 3.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  4. 4.⚖️ 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 spot (c) shadow length (d) the time of day
  5. 5.🔦 Is oily paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  6. 6.🧺 Do we need a battery cell for the shadow clock? (a) not needed (b) needed
  7. 7.True or false: your hand is transparent. (a) False (b) True
  8. 8.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) smaller (c) coloured (d) brighter
  9. 9.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
  10. 10.🔍 Which is the odd one out? (a) air (b) clear plastic film (c) clear glass (d) butter paper
  11. 11.🔦 Which of these is translucent? (a) tissue paper (b) a steel plate (c) air (d) a brick
  12. 12.🔍 Which is the odd one out? (a) clear glass (b) a steel plate (c) a brick (d) a book
  13. 13.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we keep it the same (b) we change it (c) we measure it
  14. 14.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) long (b) missing (c) short (d) round
  15. 15.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
  16. 16.🧺 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) a mirror
  17. 17.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we change it (b) we measure it (c) we keep it the same
  18. 18.True or false: a balloon is needed for the shadow clock. (a) True (b) False
  19. 19.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) a straight stick (c) chalk to mark shadows (d) a sunny open place
  20. 20.⚖️ 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
  21. 21.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we change it (b) we keep it the same (c) we measure it
  22. 22.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a clock to check (c) a sunny open place (d) turmeric powder
  23. 23.🔍 Which is the odd one out? (a) air (b) a book (c) a wooden board (d) your hand
  24. 24.True or false: chalk to mark shadows is needed for the shadow clock. (a) True (b) False
  25. 25.🔦 Which of these is translucent? (a) your hand (b) butter paper (c) clear plastic film (d) a wooden board
  26. 26.🔦 Is a brick opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  27. 27.True or false: chalk to mark shadows is not needed for the shadow clock. (a) True (b) False
  28. 28.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
  29. 29.🕰️ What is a sundial used for? (a) measuring rain (b) making rainbows (c) weighing things (d) telling the time
  30. 30.🔦 Which of these is transparent? (a) a wooden board (b) clear plastic film (c) a brick (d) butter paper
  31. 31.🔍 Which is the odd one out? (a) a brick (b) a wooden board (c) a book (d) clear plastic film
  32. 32.⚖️ 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 stick kept upright (c) shadow length (d) the same spot
  33. 33.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) a woollen sweater (c) nothing on your head (d) a cap or hat
  34. 34.⚖️ 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
  35. 35.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
  36. 36.🔦 Is tissue paper opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  37. 37.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we measure it (b) we keep it the same (c) we change it
  38. 38.True or false: a clock to check is needed for the shadow clock. (a) True (b) False
  39. 39.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a battery cell (c) a straight stick (d) chalk to mark shadows
  40. 40.True or false: a sunny open place is not needed for the shadow clock. (a) True (b) False

Answer key

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

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