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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 774 · 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.🔦 Which of these is translucent? (a) clear plastic film (b) your hand (c) oily paper (d) air
  2. 2.🔍 Which is the odd one out? (a) clean water (b) oily paper (c) frosted glass (d) tissue paper
  3. 3.True or false: a wooden board is opaque. (a) True (b) False
  4. 4.True or false: a mirror is not needed for the shadow clock. (a) False (b) True
  5. 5.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) True (b) False
  6. 6.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) bigger (c) brighter (d) smaller
  7. 7.True or false: oily paper is transparent. (a) False (b) True
  8. 8.True or false: yeast is needed for the shadow clock. (a) True (b) False
  9. 9.⚖️ 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
  10. 10.⚖️ 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
  11. 11.⚖️ 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 stick kept upright (d) the same spot
  12. 12.🔍 Which is the odd one out? (a) clear glass (b) your hand (c) a steel plate (d) a wooden board
  13. 13.True or false: clear plastic film is transparent. (a) False (b) True
  14. 14.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a battery cell (c) yeast (d) a straight stick
  15. 15.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
  16. 16.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) turmeric powder (c) a battery cell (d) a sunny open place
  17. 17.🌞 When is a stick’s shadow the shortest? (a) early morning (b) at night (c) around noon (d) late evening
  18. 18.🔍 Which is the odd one out? (a) a brick (b) oily paper (c) your hand (d) a book
  19. 19.True or false: a clock to check is needed for the shadow clock. (a) True (b) False
  20. 20.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) west (c) east (d) north
  21. 21.🔦 Is butter paper opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  22. 22.🔦 Is a steel plate opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  23. 23.🔦 Which of these is translucent? (a) a book (b) your hand (c) butter paper (d) a wooden board
  24. 24.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
  25. 25.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
  26. 26.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) runs faster (c) shows two times (d) does not work well
  27. 27.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we keep it the same (b) we change it (c) we measure it
  28. 28.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a straight stick (c) a sunny open place (d) yeast
  29. 29.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
  30. 30.🔦 Is frosted glass opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  31. 31.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) a cap or hat (c) nothing on your head (d) a raincoat
  32. 32.🔦 Which of these is opaque? (a) tissue paper (b) clear glass (c) a wooden board (d) oily paper
  33. 33.True or false: your hand is opaque. (a) False (b) True
  34. 34.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
  35. 35.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we measure it (b) we change it (c) we keep it the same
  36. 36.True or false: a battery cell is not needed for the shadow clock. (a) False (b) True
  37. 37.True or false: a brick is opaque. (a) True (b) False
  38. 38.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
  39. 39.True or false: a wooden board is translucent. (a) True (b) False
  40. 40.True or false: air is transparent. (a) True (b) False

Answer key

  1. oily paper
  2. clean water
  3. True
  4. True
  5. True
  6. bigger
  7. False
  8. False
  9. False
  10. False
  11. shadow length
  12. clear glass
  13. True
  14. a straight stick
  15. False
  16. a sunny open place
  17. around noon
  18. oily paper
  19. True
  20. west
  21. translucent
  22. opaque
  23. butter paper
  24. not needed
  25. needed
  26. does not work well
  27. we keep it the same
  28. yeast
  29. needed
  30. translucent
  31. a cap or hat
  32. a wooden board
  33. True
  34. True
  35. we keep it the same
  36. True
  37. True
  38. not needed
  39. False
  40. True

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