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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 269 · 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.

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  1. 1.🔍 Which is the odd one out? (a) oily paper (b) tissue paper (c) clean water (d) butter paper
  2. 2.🔍 Which is the odd one out? (a) frosted glass (b) clear glass (c) tissue paper (d) oily paper
  3. 3.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) round (c) long (d) short
  4. 4.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
  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) False (b) True
  6. 6.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
  7. 7.⚖️ 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 stick kept upright (c) shadow length (d) the same stick
  8. 8.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) east (c) up (d) west
  9. 9.🔦 Which of these is opaque? (a) clean water (b) butter paper (c) clear plastic film (d) a brick
  10. 10.True or false: a sunny open place is not needed for the shadow clock. (a) True (b) False
  11. 11.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
  12. 12.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) turmeric powder (c) a straight stick (d) a sunny open place
  13. 13.🧺 Which of these is not needed for the shadow clock? (a) a balloon (b) chalk to mark shadows (c) a sunny open place (d) a clock to check
  14. 14.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
  15. 15.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) wear a cap (c) mark with chalk (d) look straight at the Sun
  16. 16.True or false: your hand is transparent. (a) True (b) False
  17. 17.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) shadow length (b) the same stick (c) the time of day
  18. 18.⚖️ 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 same spot (c) the time of day (d) the same stick
  19. 19.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a sunny open place (c) turmeric powder (d) yeast
  20. 20.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is what we measure. (a) True (b) False
  21. 21.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a clock to check (c) a magnet (d) a straight stick
  22. 22.🔦 Is oily paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  23. 23.🔦 Which of these is opaque? (a) your hand (b) air (c) oily paper (d) tissue paper
  24. 24.True or false: a straight stick is needed for the shadow clock. (a) False (b) True
  25. 25.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) brighter (c) bigger (d) coloured
  26. 26.True or false: a book is transparent. (a) False (b) True
  27. 27.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a magnet (b) a sunny open place (c) a clock to check (d) a straight stick
  28. 28.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the same spot (b) shadow length (c) the time of day
  29. 29.True or false: turmeric powder is not needed for the shadow clock. (a) False (b) True
  30. 30.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we measure it (b) we change it (c) we keep it the same
  31. 31.True or false: clear glass is transparent. (a) False (b) True
  32. 32.🌞 When is a stick’s shadow the shortest? (a) around noon (b) at night (c) late evening (d) early morning
  33. 33.🧺 Which of these is needed for the shadow clock? (a) a straight stick (b) turmeric powder (c) yeast (d) a battery cell
  34. 34.🧺 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
  35. 35.🔦 Which of these is translucent? (a) a wooden board (b) a book (c) tissue paper (d) a steel plate
  36. 36.True or false: tissue paper is opaque. (a) True (b) False
  37. 37.⚖️ 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) False (b) True
  38. 38.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is the one thing we change. (a) True (b) False
  39. 39.True or false: a magnet is not needed for the shadow clock. (a) False (b) True
  40. 40.🔦 Which of these is opaque? (a) tissue paper (b) butter paper (c) a book (d) frosted glass

Answer key

  1. clean water
  2. clear glass
  3. long
  4. not needed
  5. True
  6. not needed
  7. shadow length
  8. west
  9. a brick
  10. False
  11. needed
  12. turmeric powder
  13. a balloon
  14. not needed
  15. look straight at the Sun
  16. False
  17. the same stick
  18. the time of day
  19. a sunny open place
  20. False
  21. a magnet
  22. translucent
  23. your hand
  24. True
  25. bigger
  26. False
  27. a magnet
  28. the same spot
  29. True
  30. we keep it the same
  31. True
  32. around noon
  33. a straight stick
  34. a mirror
  35. tissue paper
  36. False
  37. False
  38. True
  39. True
  40. a book

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