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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 45 · 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 not needed for the shadow clock? (a) a clock to check (b) a sunny open place (c) a straight stick (d) a mirror
  2. 2.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
  3. 3.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
  4. 4.🔦 Which of these is transparent? (a) frosted glass (b) oily paper (c) tissue paper (d) clear plastic film
  5. 5.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we keep it the same (b) we change it (c) we measure it
  6. 6.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) look straight at the Sun (c) sit in the shade (d) wear a cap
  7. 7.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) a sunny open place (c) chalk to mark shadows (d) a magnet
  8. 8.True or false: clear glass is opaque. (a) True (b) False
  9. 9.True or false: a brick is opaque. (a) True (b) False
  10. 10.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) yeast (b) a sunny open place (c) chalk to mark shadows (d) a straight stick
  11. 11.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) a cap or hat (c) nothing on your head (d) a woollen sweater
  12. 12.🔦 Is clear glass opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  13. 13.🧺 Do we need a battery cell for the shadow clock? (a) not needed (b) needed
  14. 14.🔍 Which is the odd one out? (a) a book (b) air (c) clean water (d) clear glass
  15. 15.⚖️ 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) shadow length (c) the same spot (d) the time of day
  16. 16.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) chalk to mark shadows (c) a magnet (d) a clock to check
  17. 17.🔦 Which of these is opaque? (a) air (b) a brick (c) frosted glass (d) butter paper
  18. 18.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) short (c) round (d) long
  19. 19.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) west (c) north (d) up
  20. 20.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a sunny open place (c) a magnet (d) a battery cell
  21. 21.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a mirror (c) chalk to mark shadows (d) yeast
  22. 22.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) chalk to mark shadows (c) a straight stick (d) a balloon
  23. 23.🔍 Which is the odd one out? (a) air (b) butter paper (c) oily paper (d) frosted glass
  24. 24.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a clock to check (c) turmeric powder (d) a balloon
  25. 25.🔍 Which is the odd one out? (a) a wooden board (b) tissue paper (c) oily paper (d) butter paper
  26. 26.🔦 Which of these is opaque? (a) frosted glass (b) clean water (c) your hand (d) butter paper
  27. 27.⚖️ 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
  28. 28.🔦 Which of these is translucent? (a) tissue paper (b) a steel plate (c) a book (d) your hand
  29. 29.🔦 Is a steel plate opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  30. 30.⚖️ 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) False (b) True
  31. 31.🔦 Which of these is transparent? (a) clear glass (b) your hand (c) a brick (d) a steel plate
  32. 32.📘 Why does a shadow form? (a) light bends round it (b) an object blocks light (c) the object is cold (d) the ground is dark
  33. 33.True or false: butter paper is transparent. (a) False (b) True
  34. 34.🔍 Which is the odd one out? (a) oily paper (b) your hand (c) a steel plate (d) a brick
  35. 35.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) coloured (c) brighter (d) smaller
  36. 36.🔍 Which is the odd one out? (a) butter paper (b) tissue paper (c) frosted glass (d) clear glass
  37. 37.True or false: a straight stick is not needed for the shadow clock. (a) False (b) True
  38. 38.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same stick (b) the same spot (c) shadow length (d) the time of day
  39. 39.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
  40. 40.True or false: turmeric powder is not needed for the shadow clock. (a) False (b) True

Answer key

  1. a mirror
  2. needed
  3. not needed
  4. clear plastic film
  5. we change it
  6. look straight at the Sun
  7. a magnet
  8. False
  9. True
  10. yeast
  11. a cap or hat
  12. transparent
  13. not needed
  14. a book
  15. the time of day
  16. a magnet
  17. a brick
  18. long
  19. west
  20. a sunny open place
  21. chalk to mark shadows
  22. a balloon
  23. air
  24. a clock to check
  25. a wooden board
  26. your hand
  27. the same stick
  28. tissue paper
  29. opaque
  30. False
  31. clear glass
  32. an object blocks light
  33. False
  34. oily paper
  35. bigger
  36. clear glass
  37. False
  38. shadow length
  39. True
  40. True

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