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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 462 · 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? True or false: the same stick is kept the same. (a) False (b) True
  2. 2.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) nothing on your head (c) a woollen sweater (d) a raincoat
  3. 3.🔦 Which of these is translucent? (a) tissue paper (b) clear glass (c) air (d) your hand
  4. 4.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
  5. 5.🔦 Which of these is opaque? (a) a wooden board (b) tissue paper (c) butter paper (d) frosted glass
  6. 6.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a straight stick (c) chalk to mark shadows (d) a magnet
  7. 7.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a straight stick (c) chalk to mark shadows (d) a mirror
  8. 8.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) chalk to mark shadows (c) a sunny open place (d) a balloon
  9. 9.🔦 Is a book opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  10. 10.🔦 Is a wooden board opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  11. 11.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a straight stick (c) turmeric powder (d) a clock to check
  12. 12.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) long (c) missing (d) short
  13. 13.🔍 Which is the odd one out? (a) butter paper (b) oily paper (c) a book (d) frosted glass
  14. 14.🔍 Which is the odd one out? (a) a brick (b) oily paper (c) a wooden board (d) a steel plate
  15. 15.🔍 Which is the odd one out? (a) tissue paper (b) clear plastic film (c) oily paper (d) butter paper
  16. 16.🛟 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
  17. 17.🔍 Which is the odd one out? (a) a wooden board (b) air (c) clear plastic film (d) clean water
  18. 18.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) west (b) east (c) north (d) up
  19. 19.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) brighter (c) coloured (d) smaller
  20. 20.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) turmeric powder (c) a magnet (d) a straight stick
  21. 21.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is what we measure. (a) False (b) True
  22. 22.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a balloon (c) a clock to check (d) a straight stick
  23. 23.🧺 Which of these is needed for the shadow clock? (a) a sunny open place (b) a magnet (c) a balloon (d) a battery cell
  24. 24.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a clock to check (c) a straight stick (d) a mirror
  25. 25.🔦 Is clear plastic film opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  26. 26.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same stick (b) the stick kept upright (c) shadow length (d) the same spot
  27. 27.🔦 Is clear glass opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  28. 28.⚖️ 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 stick (c) shadow length (d) the same spot
  29. 29.🌞 When is a stick’s shadow the shortest? (a) early morning (b) around noon (c) at night (d) late evening
  30. 30.🔦 Which of these is translucent? (a) butter paper (b) your hand (c) clear plastic film (d) a book
  31. 31.True or false: your hand is opaque. (a) False (b) True
  32. 32.🔦 Is a steel plate opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  33. 33.True or false: a clock to check is needed for the shadow clock. (a) False (b) True
  34. 34.🔦 Which of these is opaque? (a) tissue paper (b) clear plastic film (c) a brick (d) air
  35. 35.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
  36. 36.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
  37. 37.⚖️ 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
  38. 38.🔦 Is a brick opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  39. 39.True or false: a battery cell is not needed for the shadow clock. (a) True (b) False
  40. 40.True or false: a brick is transparent. (a) False (b) True

Answer key

  1. True
  2. a cap or hat
  3. tissue paper
  4. not needed
  5. a wooden board
  6. a magnet
  7. a mirror
  8. a balloon
  9. opaque
  10. opaque
  11. turmeric powder
  12. long
  13. a book
  14. oily paper
  15. clear plastic film
  16. look straight at the Sun
  17. a wooden board
  18. west
  19. bigger
  20. a straight stick
  21. False
  22. a balloon
  23. a sunny open place
  24. a mirror
  25. transparent
  26. shadow length
  27. transparent
  28. the time of day
  29. around noon
  30. butter paper
  31. True
  32. opaque
  33. True
  34. a brick
  35. not needed
  36. not needed
  37. we change it
  38. opaque
  39. True
  40. False

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