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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 134 · 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: air is transparent. (a) True (b) False
  2. 2.🔍 Which is the odd one out? (a) a wooden board (b) clear glass (c) your hand (d) a brick
  3. 3.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) sit in the shade (c) look straight at the Sun (d) wear a cap
  4. 4.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a clock to check (c) a straight stick (d) a balloon
  5. 5.True or false: air is opaque. (a) False (b) True
  6. 6.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) coloured (c) brighter (d) bigger
  7. 7.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
  8. 8.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) nothing on your head (c) a cap or hat (d) a woollen sweater
  9. 9.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a sunny open place (c) a straight stick (d) a mirror
  10. 10.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
  11. 11.🔦 Is your hand opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  12. 12.⚖️ 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 keep it the same (c) we change it
  13. 13.True or false: clear glass is translucent. (a) True (b) False
  14. 14.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the stick kept upright (b) shadow length (c) the time of day
  15. 15.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) chalk to mark shadows (c) a sunny open place (d) a battery cell
  16. 16.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
  17. 17.⚖️ 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
  18. 18.📘 Why does a shadow form? (a) the ground is dark (b) light bends round it (c) an object blocks light (d) the object is cold
  19. 19.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a battery cell (c) a sunny open place (d) a magnet
  20. 20.True or false: tissue paper is transparent. (a) False (b) True
  21. 21.🕰️ What is a sundial used for? (a) measuring rain (b) weighing things (c) telling the time (d) making rainbows
  22. 22.True or false: a book is translucent. (a) False (b) True
  23. 23.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
  24. 24.🔍 Which is the odd one out? (a) a brick (b) clean water (c) a book (d) a wooden board
  25. 25.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
  26. 26.True or false: clear plastic film is opaque. (a) False (b) True
  27. 27.⚖️ 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
  28. 28.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a sunny open place (c) a straight stick (d) a magnet
  29. 29.🔦 Is a steel plate opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  30. 30.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a balloon (c) chalk to mark shadows (d) a straight stick
  31. 31.True or false: a battery cell is not needed for the shadow clock. (a) True (b) False
  32. 32.🔦 Is clear glass opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  33. 33.🔍 Which is the odd one out? (a) clean water (b) clear plastic film (c) your hand (d) clear glass
  34. 34.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
  35. 35.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
  36. 36.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) chalk to mark shadows (c) yeast (d) a straight stick
  37. 37.True or false: butter paper is translucent. (a) False (b) True
  38. 38.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the stick kept upright (b) the time of day (c) shadow length (d) the same stick
  39. 39.🔦 Which of these is translucent? (a) air (b) your hand (c) a book (d) tissue paper
  40. 40.🔍 Which is the odd one out? (a) air (b) your hand (c) a book (d) a wooden board

Answer key

  1. True
  2. clear glass
  3. look straight at the Sun
  4. a balloon
  5. False
  6. bigger
  7. False
  8. a cap or hat
  9. a mirror
  10. not needed
  11. opaque
  12. we keep it the same
  13. False
  14. the stick kept upright
  15. a battery cell
  16. not needed
  17. we keep it the same
  18. an object blocks light
  19. a sunny open place
  20. False
  21. telling the time
  22. False
  23. not needed
  24. clean water
  25. needed
  26. False
  27. True
  28. a magnet
  29. opaque
  30. a balloon
  31. True
  32. transparent
  33. your hand
  34. needed
  35. True
  36. yeast
  37. True
  38. shadow length
  39. tissue paper
  40. air

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