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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 878 · 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: yeast is not needed for the shadow clock. (a) False (b) True
  2. 2.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is the one thing we change. (a) False (b) True
  3. 3.True or false: a brick is opaque. (a) False (b) True
  4. 4.🕰️ What is a sundial used for? (a) making rainbows (b) measuring rain (c) weighing things (d) telling the time
  5. 5.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  6. 6.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a straight stick (c) turmeric powder (d) a sunny open place
  7. 7.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) look straight at the Sun (c) wear a cap (d) mark with chalk
  8. 8.🔦 Is frosted glass opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  9. 9.True or false: butter paper is translucent. (a) True (b) False
  10. 10.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) a woollen sweater (c) nothing on your head (d) a raincoat
  11. 11.🔦 Which of these is translucent? (a) a book (b) butter paper (c) a brick (d) air
  12. 12.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is what we measure. (a) True (b) False
  13. 13.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) coloured (c) bigger (d) smaller
  14. 14.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) a battery cell (d) a sunny open place
  15. 15.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) chalk to mark shadows (c) yeast (d) a magnet
  16. 16.🔦 Is clear plastic film opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  17. 17.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a sunny open place (c) a clock to check (d) yeast
  18. 18.🔦 Which of these is transparent? (a) butter paper (b) a book (c) clear glass (d) tissue paper
  19. 19.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) short (c) round (d) long
  20. 20.🔦 Which of these is transparent? (a) a steel plate (b) a brick (c) air (d) tissue paper
  21. 21.🔦 Is clean water opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  22. 22.⚖️ 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
  23. 23.🔍 Which is the odd one out? (a) a brick (b) a book (c) clean water (d) a wooden board
  24. 24.🔍 Which is the odd one out? (a) frosted glass (b) butter paper (c) clear plastic film (d) tissue paper
  25. 25.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) shadow length (b) the same stick (c) the time of day (d) the stick kept upright
  26. 26.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
  27. 27.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
  28. 28.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a sunny open place (c) yeast (d) a battery cell
  29. 29.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is kept the same. (a) True (b) False
  30. 30.🔦 Is a wooden board opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  31. 31.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a sunny open place (c) a straight stick (d) a magnet
  32. 32.True or false: air is opaque. (a) True (b) False
  33. 33.🔍 Which is the odd one out? (a) air (b) clear glass (c) clean water (d) butter paper
  34. 34.🌞 When is a stick’s shadow the shortest? (a) early morning (b) around noon (c) at night (d) late evening
  35. 35.🔦 Which of these is opaque? (a) butter paper (b) clear glass (c) frosted glass (d) a wooden board
  36. 36.True or false: a magnet is needed for the shadow clock. (a) False (b) True
  37. 37.🔦 Is a book opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  38. 38.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a clock to check (c) a straight stick (d) a mirror
  39. 39.🔦 Which of these is transparent? (a) your hand (b) a brick (c) a book (d) clean water
  40. 40.True or false: a straight stick is needed for the shadow clock. (a) True (b) False

Answer key

  1. True
  2. False
  3. True
  4. telling the time
  5. needed
  6. turmeric powder
  7. look straight at the Sun
  8. translucent
  9. True
  10. a cap or hat
  11. butter paper
  12. False
  13. bigger
  14. a battery cell
  15. chalk to mark shadows
  16. transparent
  17. yeast
  18. clear glass
  19. long
  20. air
  21. transparent
  22. we change it
  23. clean water
  24. clear plastic film
  25. shadow length
  26. not needed
  27. not needed
  28. a sunny open place
  29. True
  30. opaque
  31. a magnet
  32. False
  33. butter paper
  34. around noon
  35. a wooden board
  36. False
  37. opaque
  38. a mirror
  39. clean water
  40. True

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