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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 192 · 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 needed for the shadow clock? (a) a magnet (b) a clock to check (c) a battery cell (d) a mirror
  2. 2.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
  3. 3.True or false: a wooden board is opaque. (a) True (b) False
  4. 4.⚖️ 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 measure it (c) we change it
  5. 5.⚖️ 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
  6. 6.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) mark with chalk (c) look straight at the Sun (d) sit in the shade
  7. 7.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a straight stick (c) a mirror (d) a balloon
  8. 8.🧺 Do we need a battery cell for the shadow clock? (a) not needed (b) needed
  9. 9.🧺 Which of these is not needed for the shadow clock? (a) a battery cell (b) a sunny open place (c) a straight stick (d) a clock to check
  10. 10.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) north (c) west (d) up
  11. 11.⚖️ 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
  12. 12.🔦 Is your hand opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  13. 13.🧺 Which of these is not needed for the shadow clock? (a) turmeric powder (b) chalk to mark shadows (c) a clock to check (d) a straight stick
  14. 14.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same spot (b) the same stick (c) the stick kept upright (d) shadow length
  15. 15.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
  16. 16.True or false: a straight stick is needed for the shadow clock. (a) False (b) True
  17. 17.🔍 Which is the odd one out? (a) a book (b) a wooden board (c) your hand (d) butter paper
  18. 18.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
  19. 19.🕰️ What is a sundial used for? (a) making rainbows (b) weighing things (c) telling the time (d) measuring rain
  20. 20.🌍 Why does the stick’s shadow move during the day? (a) the ground slides (b) Earth keeps spinning (c) the stick walks (d) the stick grows
  21. 21.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a woollen sweater (c) a raincoat (d) a cap or hat
  22. 22.True or false: a mirror is needed for the shadow clock. (a) False (b) True
  23. 23.True or false: oily paper is opaque. (a) True (b) False
  24. 24.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) chalk to mark shadows (c) a magnet (d) a clock to check
  25. 25.True or false: a magnet is needed for the shadow clock. (a) False (b) True
  26. 26.🔍 Which is the odd one out? (a) a brick (b) tissue paper (c) oily paper (d) butter paper
  27. 27.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) missing (c) short (d) long
  28. 28.🔦 Which of these is translucent? (a) a wooden board (b) butter paper (c) a brick (d) your hand
  29. 29.True or false: a clock to check is needed for the shadow clock. (a) False (b) True
  30. 30.True or false: butter paper is translucent. (a) False (b) True
  31. 31.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
  32. 32.🧺 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
  33. 33.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
  34. 34.True or false: clear plastic film is transparent. (a) True (b) False
  35. 35.True or false: tissue paper is transparent. (a) False (b) True
  36. 36.⚖️ 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
  37. 37.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we change it (b) we measure it (c) we keep it the same
  38. 38.⚖️ 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
  39. 39.🔦 Which of these is opaque? (a) a book (b) frosted glass (c) butter paper (d) oily paper
  40. 40.True or false: a wooden board is translucent. (a) True (b) False

Answer key

  1. a clock to check
  2. not needed
  3. True
  4. we measure it
  5. False
  6. look straight at the Sun
  7. a straight stick
  8. not needed
  9. a battery cell
  10. west
  11. False
  12. opaque
  13. turmeric powder
  14. shadow length
  15. needed
  16. True
  17. butter paper
  18. not needed
  19. telling the time
  20. Earth keeps spinning
  21. a cap or hat
  22. False
  23. False
  24. a magnet
  25. False
  26. a brick
  27. long
  28. butter paper
  29. True
  30. True
  31. needed
  32. a battery cell
  33. needed
  34. True
  35. False
  36. True
  37. we keep it the same
  38. False
  39. a book
  40. False

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