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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 583 · 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) a wooden board (b) a steel plate (c) a brick (d) oily paper
  2. 2.True or false: a wooden board is opaque. (a) False (b) True
  3. 3.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the stick kept upright (b) the same spot (c) the same stick (d) the time of day
  4. 4.⚖️ 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
  5. 5.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) look straight at the Sun (c) mark with chalk (d) wear a cap
  6. 6.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  7. 7.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a magnet (c) a sunny open place (d) chalk to mark shadows
  8. 8.🧺 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
  9. 9.True or false: a brick is opaque. (a) True (b) False
  10. 10.🔦 Is clean water opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  11. 11.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
  12. 12.⚖️ 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 same spot (d) the time of day
  13. 13.True or false: air is transparent. (a) False (b) True
  14. 14.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a clock to check (c) a battery cell (d) a straight stick
  15. 15.🔦 Which of these is translucent? (a) a steel plate (b) a book (c) a wooden board (d) tissue paper
  16. 16.🔦 Which of these is transparent? (a) a steel plate (b) clear glass (c) a book (d) butter paper
  17. 17.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) bigger (c) smaller (d) brighter
  18. 18.🔦 Is butter paper opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  19. 19.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a clock to check (c) a mirror (d) a straight stick
  20. 20.🔦 Which of these is translucent? (a) a wooden board (b) butter paper (c) air (d) your hand
  21. 21.True or false: butter paper is opaque. (a) False (b) True
  22. 22.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is the one thing we change. (a) False (b) True
  23. 23.🔦 Which of these is opaque? (a) a brick (b) butter paper (c) tissue paper (d) clean water
  24. 24.🔍 Which is the odd one out? (a) a wooden board (b) a brick (c) clear glass (d) your hand
  25. 25.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
  26. 26.🔍 Which is the odd one out? (a) a brick (b) a steel plate (c) a wooden board (d) clean water
  27. 27.🌞 When is a stick’s shadow the shortest? (a) at night (b) around noon (c) early morning (d) late evening
  28. 28.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
  29. 29.True or false: a magnet is needed for the shadow clock. (a) True (b) False
  30. 30.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) round (c) short (d) long
  31. 31.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we change it (b) we keep it the same (c) we measure it
  32. 32.🔍 Which is the odd one out? (a) a brick (b) clear glass (c) air (d) clean water
  33. 33.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a balloon (c) turmeric powder (d) a sunny open place
  34. 34.🔦 Which of these is translucent? (a) air (b) clear glass (c) a book (d) oily paper
  35. 35.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) a raincoat (c) nothing on your head (d) a woollen sweater
  36. 36.True or false: a steel plate is opaque. (a) True (b) False
  37. 37.🔦 Is a steel plate opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  38. 38.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is what we measure. (a) False (b) True
  39. 39.⚖️ 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 spot (c) the time of day
  40. 40.True or false: oily paper is transparent. (a) True (b) False

Answer key

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

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