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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 947 · 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.🔍 Which is the odd one out? (a) a wooden board (b) butter paper (c) a brick (d) a book
  2. 2.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
  3. 3.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we keep it the same (b) we change it (c) we measure it
  4. 4.⚖️ 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
  5. 5.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a straight stick (c) a mirror (d) a sunny open place
  6. 6.🔦 Which of these is translucent? (a) air (b) a brick (c) clean water (d) tissue paper
  7. 7.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) bigger (c) coloured (d) smaller
  8. 8.True or false: your hand is translucent. (a) False (b) True
  9. 9.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a balloon (c) turmeric powder (d) a straight stick
  10. 10.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the ground slides (c) the stick walks (d) the stick grows
  11. 11.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is kept the same. (a) False (b) True
  12. 12.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a sunny open place (c) a balloon (d) a battery cell
  13. 13.True or false: butter paper is transparent. (a) True (b) False
  14. 14.True or false: a battery cell is not needed for the shadow clock. (a) True (b) False
  15. 15.📘 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
  16. 16.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  17. 17.🔦 Which of these is opaque? (a) your hand (b) clear glass (c) clean water (d) tissue paper
  18. 18.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  19. 19.⚖️ 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 stick (b) the stick kept upright (c) the time of day (d) the same spot
  20. 20.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) look straight at the Sun (c) mark with chalk (d) sit in the shade
  21. 21.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) west (c) north (d) up
  22. 22.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
  23. 23.🔦 Is a wooden board opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  24. 24.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
  25. 25.True or false: clear plastic film is transparent. (a) False (b) True
  26. 26.True or false: chalk to mark shadows is needed for the shadow clock. (a) False (b) True
  27. 27.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) a raincoat (c) a cap or hat (d) nothing on your head
  28. 28.True or false: a book is translucent. (a) True (b) False
  29. 29.True or false: a straight stick is not needed for the shadow clock. (a) True (b) False
  30. 30.True or false: a wooden board is opaque. (a) False (b) True
  31. 31.True or false: butter paper is opaque. (a) False (b) True
  32. 32.🔦 Is clear glass opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  33. 33.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
  34. 34.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) round (c) long (d) missing
  35. 35.🔦 Which of these is transparent? (a) butter paper (b) clear glass (c) a steel plate (d) tissue paper
  36. 36.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is what we measure. (a) False (b) True
  37. 37.⚖️ 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 stick
  38. 38.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a clock to check (c) a battery cell (d) a straight stick
  39. 39.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we measure it (b) we keep it the same (c) we change it
  40. 40.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed

Answer key

  1. butter paper
  2. not needed
  3. we measure it
  4. True
  5. a mirror
  6. tissue paper
  7. bigger
  8. False
  9. a straight stick
  10. Earth keeps spinning
  11. False
  12. a sunny open place
  13. False
  14. True
  15. an object blocks light
  16. translucent
  17. your hand
  18. needed
  19. the time of day
  20. look straight at the Sun
  21. west
  22. needed
  23. opaque
  24. not needed
  25. True
  26. True
  27. a cap or hat
  28. False
  29. False
  30. True
  31. False
  32. transparent
  33. needed
  34. long
  35. clear glass
  36. True
  37. the same stick
  38. a battery cell
  39. we change it
  40. needed

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