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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 128 · 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 what we measure. (a) False (b) True
  2. 2.🔦 Is oily paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  3. 3.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a battery cell (c) a sunny open place (d) a straight stick
  4. 4.True or false: a mirror is needed for the shadow clock. (a) False (b) True
  5. 5.🔦 Which of these is opaque? (a) a steel plate (b) clear glass (c) clean water (d) tissue paper
  6. 6.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
  7. 7.True or false: a straight stick is needed for the shadow clock. (a) True (b) False
  8. 8.🧺 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 balloon
  9. 9.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the time of day (b) the same stick (c) shadow length (d) the stick kept upright
  10. 10.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
  11. 11.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we keep it the same (b) we measure it (c) we change it
  12. 12.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
  13. 13.🔮 Predict: on a fully cloudy day, the sundial ___. (a) does not work well (b) shows two times (c) works better (d) runs faster
  14. 14.🔍 Which is the odd one out? (a) a wooden board (b) your hand (c) oily paper (d) a book
  15. 15.🔍 Which is the odd one out? (a) clear glass (b) clean water (c) air (d) a brick
  16. 16.⚖️ 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
  17. 17.🔦 Which of these is opaque? (a) clean water (b) clear plastic film (c) a wooden board (d) frosted glass
  18. 18.🔍 Which is the odd one out? (a) clean water (b) clear plastic film (c) clear glass (d) a steel plate
  19. 19.True or false: a clock to check is needed for the shadow clock. (a) True (b) False
  20. 20.🕰️ What is a sundial used for? (a) measuring rain (b) making rainbows (c) telling the time (d) weighing things
  21. 21.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we measure it (b) we change it (c) we keep it the same
  22. 22.🔦 Which of these is translucent? (a) clear plastic film (b) a steel plate (c) a brick (d) tissue paper
  23. 23.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) shadow length (b) the stick kept upright (c) the time of day (d) the same stick
  24. 24.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
  25. 25.🔦 Is a brick opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  26. 26.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
  27. 27.⚖️ 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
  28. 28.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) brighter (c) bigger (d) smaller
  29. 29.True or false: clear glass is translucent. (a) True (b) False
  30. 30.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a magnet (c) a sunny open place (d) a straight stick
  31. 31.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) a woollen sweater (c) nothing on your head (d) a cap or hat
  32. 32.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) short (c) round (d) long
  33. 33.🔦 Which of these is transparent? (a) a book (b) butter paper (c) clear glass (d) a wooden board
  34. 34.True or false: clean water is opaque. (a) True (b) False
  35. 35.🌞 When is a stick’s shadow the shortest? (a) early morning (b) at night (c) around noon (d) late evening
  36. 36.True or false: yeast is needed for the shadow clock. (a) True (b) False
  37. 37.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) west (b) up (c) north (d) east
  38. 38.🔍 Which is the odd one out? (a) butter paper (b) oily paper (c) clean water (d) frosted glass
  39. 39.⚖️ 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) True (b) False
  40. 40.🧺 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 mirror (d) a clock to check

Answer key

  1. False
  2. translucent
  3. a battery cell
  4. False
  5. a steel plate
  6. not needed
  7. True
  8. a balloon
  9. shadow length
  10. needed
  11. we change it
  12. not needed
  13. does not work well
  14. oily paper
  15. a brick
  16. True
  17. a wooden board
  18. a steel plate
  19. True
  20. telling the time
  21. we keep it the same
  22. tissue paper
  23. the time of day
  24. not needed
  25. opaque
  26. needed
  27. False
  28. bigger
  29. False
  30. a magnet
  31. a cap or hat
  32. long
  33. clear glass
  34. False
  35. around noon
  36. False
  37. west
  38. clean water
  39. False
  40. a mirror

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