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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 887 · 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.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we change it (b) we keep it the same (c) we measure it
  2. 2.True or false: a steel plate is translucent. (a) False (b) True
  3. 3.🔦 Which of these is transparent? (a) air (b) a wooden board (c) a brick (d) a steel plate
  4. 4.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
  5. 5.🔍 Which is the odd one out? (a) frosted glass (b) oily paper (c) butter paper (d) clear plastic film
  6. 6.🔍 Which is the odd one out? (a) air (b) butter paper (c) frosted glass (d) tissue paper
  7. 7.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
  8. 8.True or false: air is transparent. (a) False (b) True
  9. 9.🔍 Which is the odd one out? (a) your hand (b) oily paper (c) tissue paper (d) frosted glass
  10. 10.🔦 Is air opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  11. 11.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  12. 12.True or false: a steel plate is transparent. (a) True (b) False
  13. 13.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) bigger (c) brighter (d) smaller
  14. 14.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) shadow length (b) the time of day (c) the same spot
  15. 15.True or false: a book is transparent. (a) True (b) False
  16. 16.🔍 Which is the odd one out? (a) air (b) clean water (c) a brick (d) clear plastic film
  17. 17.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a balloon (c) a clock to check (d) a sunny open place
  18. 18.⚖️ 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
  19. 19.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
  20. 20.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a magnet (b) chalk to mark shadows (c) a clock to check (d) a straight stick
  21. 21.True or false: a battery cell is not needed for the shadow clock. (a) False (b) True
  22. 22.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is what we measure. (a) True (b) False
  23. 23.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) a raincoat (c) nothing on your head (d) a woollen sweater
  24. 24.🔍 Which is the odd one out? (a) air (b) clear plastic film (c) a wooden board (d) clear glass
  25. 25.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is the one thing we change. (a) True (b) False
  26. 26.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) turmeric powder (c) a clock to check (d) yeast
  27. 27.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the time of day (b) shadow length (c) the same stick (d) the stick kept upright
  28. 28.True or false: a balloon is needed for the shadow clock. (a) True (b) False
  29. 29.⚖️ 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
  30. 30.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
  31. 31.🛟 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
  32. 32.🔦 Which of these is translucent? (a) frosted glass (b) a wooden board (c) a brick (d) clear plastic film
  33. 33.🔦 Which of these is opaque? (a) butter paper (b) a book (c) clean water (d) tissue paper
  34. 34.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) chalk to mark shadows (c) yeast (d) a mirror
  35. 35.⚖️ 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
  36. 36.🔍 Which is the odd one out? (a) a steel plate (b) tissue paper (c) your hand (d) a book
  37. 37.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) east (c) north (d) west
  38. 38.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the same stick (b) shadow length (c) the time of day
  39. 39.⚖️ 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 time of day (d) the same spot
  40. 40.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed

Answer key

  1. we keep it the same
  2. False
  3. air
  4. not needed
  5. clear plastic film
  6. air
  7. not needed
  8. True
  9. your hand
  10. transparent
  11. needed
  12. False
  13. bigger
  14. the same spot
  15. False
  16. a brick
  17. a balloon
  18. True
  19. not needed
  20. a magnet
  21. True
  22. False
  23. a cap or hat
  24. a wooden board
  25. False
  26. a clock to check
  27. shadow length
  28. False
  29. we keep it the same
  30. needed
  31. look straight at the Sun
  32. frosted glass
  33. a book
  34. chalk to mark shadows
  35. False
  36. tissue paper
  37. west
  38. the same stick
  39. the time of day
  40. needed

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