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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 918 · 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? Which of these is kept the same? (a) the time of day (b) the same stick (c) shadow length
  2. 2.True or false: clear plastic film is transparent. (a) False (b) True
  3. 3.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
  4. 4.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a sunny open place (c) a battery cell (d) a balloon
  5. 5.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) nothing on your head (c) a cap or hat (d) a raincoat
  6. 6.⚖️ 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
  7. 7.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) east (c) north (d) west
  8. 8.🔍 Which is the odd one out? (a) tissue paper (b) clear plastic film (c) butter paper (d) frosted glass
  9. 9.🌞 When is a stick’s shadow the shortest? (a) around noon (b) early morning (c) at night (d) late evening
  10. 10.True or false: a brick is opaque. (a) True (b) False
  11. 11.🧺 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 battery cell (d) a straight stick
  12. 12.🛟 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
  13. 13.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is what we measure. (a) True (b) False
  14. 14.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) False (b) True
  15. 15.🔦 Is clear glass opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  16. 16.🔍 Which is the odd one out? (a) oily paper (b) your hand (c) a brick (d) a book
  17. 17.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
  18. 18.🔦 Which of these is opaque? (a) oily paper (b) air (c) clean water (d) a book
  19. 19.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is kept the same. (a) False (b) True
  20. 20.⚖️ 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 spot (b) the same stick (c) shadow length (d) the time of day
  21. 21.🔦 Which of these is opaque? (a) tissue paper (b) frosted glass (c) oily paper (d) a steel plate
  22. 22.🔍 Which is the odd one out? (a) clear glass (b) tissue paper (c) oily paper (d) frosted glass
  23. 23.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  24. 24.🔦 Is a wooden board opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  25. 25.True or false: a straight stick is not needed for the shadow clock. (a) True (b) False
  26. 26.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a sunny open place (c) a clock to check (d) a mirror
  27. 27.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a magnet (c) a straight stick (d) a mirror
  28. 28.⚖️ 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) shadow length (c) the same stick (d) the same spot
  29. 29.True or false: a brick is translucent. (a) True (b) False
  30. 30.🧺 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 magnet (d) a clock to check
  31. 31.True or false: frosted glass is transparent. (a) False (b) True
  32. 32.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a balloon (b) chalk to mark shadows (c) a sunny open place (d) a clock to check
  33. 33.🔍 Which is the odd one out? (a) butter paper (b) clear glass (c) clean water (d) clear plastic film
  34. 34.🔦 Which of these is transparent? (a) clear plastic film (b) a wooden board (c) tissue paper (d) oily paper
  35. 35.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
  36. 36.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  37. 37.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) short (c) long (d) missing
  38. 38.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is the one thing we change. (a) True (b) False
  39. 39.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) smaller (c) bigger (d) coloured
  40. 40.🔦 Is clear plastic film opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent

Answer key

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

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