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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 185 · 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 of these is not needed for the shadow clock? (a) a clock to check (b) chalk to mark shadows (c) a sunny open place (d) a balloon
  2. 2.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a sunny open place (c) yeast (d) a straight stick
  3. 3.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the ground slides (c) the stick grows (d) the stick walks
  4. 4.True or false: yeast is not needed for the shadow clock. (a) True (b) False
  5. 5.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) chalk to mark shadows (c) turmeric powder (d) a mirror
  6. 6.🔦 Is clean water opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  7. 7.🧺 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) chalk to mark shadows
  8. 8.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) nothing on your head (c) a woollen sweater (d) a raincoat
  9. 9.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the same spot (b) the time of day (c) shadow length (d) the same stick
  10. 10.🔦 Which of these is transparent? (a) a book (b) tissue paper (c) a wooden board (d) air
  11. 11.True or false: clear plastic film is transparent. (a) False (b) True
  12. 12.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the stick kept upright (b) the same stick (c) shadow length (d) the same spot
  13. 13.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) west (c) up (d) east
  14. 14.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
  15. 15.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) a clock to check (d) a magnet
  16. 16.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is the one thing we change. (a) True (b) False
  17. 17.True or false: a brick is opaque. (a) True (b) False
  18. 18.🧺 Which of these is needed for the shadow clock? (a) a clock to check (b) turmeric powder (c) a balloon (d) a mirror
  19. 19.🔦 Is a wooden board opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  20. 20.🧺 Which of these is needed for the shadow clock? (a) a straight stick (b) a balloon (c) yeast (d) a battery cell
  21. 21.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) chalk to mark shadows (d) a balloon
  22. 22.True or false: a straight stick is needed for the shadow clock. (a) False (b) True
  23. 23.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is kept the same. (a) True (b) False
  24. 24.🔦 Is frosted glass opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  25. 25.🔦 Which of these is transparent? (a) a book (b) clear plastic film (c) a wooden board (d) tissue paper
  26. 26.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  27. 27.True or false: your hand is translucent. (a) False (b) True
  28. 28.True or false: clean water is transparent. (a) False (b) True
  29. 29.🧺 Which of these is not needed for the shadow clock? (a) yeast (b) a straight stick (c) a sunny open place (d) chalk to mark shadows
  30. 30.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a straight stick (c) turmeric powder (d) chalk to mark shadows
  31. 31.True or false: air is opaque. (a) True (b) False
  32. 32.🔍 Which is the odd one out? (a) a brick (b) a steel plate (c) a wooden board (d) frosted glass
  33. 33.🔦 Is oily paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  34. 34.True or false: chalk to mark shadows is not needed for the shadow clock. (a) True (b) False
  35. 35.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
  36. 36.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a magnet (c) a straight stick (d) a sunny open place
  37. 37.🔦 Which of these is transparent? (a) a brick (b) clean water (c) a book (d) your hand
  38. 38.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
  39. 39.⚖️ 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
  40. 40.🔦 Which of these is translucent? (a) clear glass (b) a book (c) clean water (d) frosted glass

Answer key

  1. a balloon
  2. yeast
  3. Earth keeps spinning
  4. True
  5. chalk to mark shadows
  6. transparent
  7. a mirror
  8. a cap or hat
  9. the time of day
  10. air
  11. True
  12. shadow length
  13. west
  14. needed
  15. a magnet
  16. False
  17. True
  18. a clock to check
  19. opaque
  20. a straight stick
  21. a balloon
  22. True
  23. True
  24. translucent
  25. clear plastic film
  26. opaque
  27. False
  28. True
  29. yeast
  30. turmeric powder
  31. False
  32. frosted glass
  33. translucent
  34. False
  35. needed
  36. a magnet
  37. clean water
  38. not needed
  39. False
  40. frosted glass

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