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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 986 · 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.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
  2. 2.True or false: a straight stick is not needed for the shadow clock. (a) True (b) False
  3. 3.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a balloon (b) a straight stick (c) a sunny open place (d) a clock to check
  4. 4.🔦 Which of these is transparent? (a) oily paper (b) a steel plate (c) frosted glass (d) clear glass
  5. 5.🔦 Is clear plastic film opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  6. 6.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the time of day (b) the same spot (c) the same stick (d) shadow length
  7. 7.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  8. 8.🔦 Is a brick opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  9. 9.True or false: a mirror is needed for the shadow clock. (a) False (b) True
  10. 10.🔍 Which is the odd one out? (a) clean water (b) a wooden board (c) a book (d) a brick
  11. 11.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) west (b) east (c) up (d) north
  12. 12.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a straight stick (c) a clock to check (d) turmeric powder
  13. 13.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) long (c) round (d) short
  14. 14.True or false: a balloon is not needed for the shadow clock. (a) True (b) False
  15. 15.⚖️ 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 keep it the same (c) we measure it
  16. 16.🧺 Which of these is not needed for the shadow clock? (a) a battery cell (b) a clock to check (c) a straight stick (d) chalk to mark shadows
  17. 17.True or false: frosted glass is opaque. (a) True (b) False
  18. 18.🛟 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
  19. 19.🔍 Which is the odd one out? (a) oily paper (b) frosted glass (c) your hand (d) butter paper
  20. 20.⚖️ 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 spot
  21. 21.🔦 Which of these is translucent? (a) a wooden board (b) a book (c) your hand (d) frosted glass
  22. 22.🔦 Which of these is opaque? (a) clean water (b) tissue paper (c) your hand (d) butter paper
  23. 23.🌍 Why does the stick’s shadow move during the day? (a) the stick walks (b) Earth keeps spinning (c) the ground slides (d) the stick grows
  24. 24.🛟 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
  25. 25.🔦 Which of these is opaque? (a) clear plastic film (b) frosted glass (c) air (d) a book
  26. 26.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
  27. 27.⚖️ 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) False (b) True
  28. 28.True or false: butter paper is translucent. (a) True (b) False
  29. 29.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) chalk to mark shadows (c) a mirror (d) a clock to check
  30. 30.⚖️ 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
  31. 31.🧺 Which of these is needed for the shadow clock? (a) a clock to check (b) a mirror (c) yeast (d) a magnet
  32. 32.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a magnet (b) chalk to mark shadows (c) a straight stick (d) a sunny open place
  33. 33.True or false: a brick is opaque. (a) True (b) False
  34. 34.🧺 Which of these is needed for the shadow clock? (a) a straight stick (b) a battery cell (c) yeast (d) a magnet
  35. 35.⚖️ 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 stick kept upright
  36. 36.🧺 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 sunny open place (d) a battery cell
  37. 37.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a straight stick (c) a sunny open place (d) a mirror
  38. 38.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
  39. 39.🔦 Is clean water opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  40. 40.🔍 Which is the odd one out? (a) tissue paper (b) a book (c) a brick (d) a wooden board

Answer key

  1. not needed
  2. False
  3. a balloon
  4. clear glass
  5. transparent
  6. the time of day
  7. translucent
  8. opaque
  9. False
  10. clean water
  11. west
  12. turmeric powder
  13. long
  14. True
  15. we change it
  16. a battery cell
  17. False
  18. a cap or hat
  19. your hand
  20. the same spot
  21. frosted glass
  22. your hand
  23. Earth keeps spinning
  24. look straight at the Sun
  25. a book
  26. True
  27. False
  28. True
  29. a mirror
  30. True
  31. a clock to check
  32. a magnet
  33. True
  34. a straight stick
  35. the stick kept upright
  36. a battery cell
  37. a mirror
  38. not needed
  39. transparent
  40. tissue paper

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