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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 258 · 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.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the same stick (b) the time of day (c) shadow length
  2. 2.True or false: a battery cell is needed for the shadow clock. (a) False (b) True
  3. 3.🛟 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
  4. 4.⚖️ 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
  5. 5.True or false: clear plastic film is transparent. (a) False (b) True
  6. 6.🔮 Predict: on a fully cloudy day, the sundial ___. (a) shows two times (b) runs faster (c) works better (d) does not work well
  7. 7.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a mirror (c) a clock to check (d) a battery cell
  8. 8.🕰️ What is a sundial used for? (a) telling the time (b) making rainbows (c) measuring rain (d) weighing things
  9. 9.🔍 Which is the odd one out? (a) your hand (b) a steel plate (c) butter paper (d) a wooden board
  10. 10.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) a straight stick (c) a sunny open place (d) a clock to check
  11. 11.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
  12. 12.🔦 Which of these is transparent? (a) a book (b) a wooden board (c) clean water (d) butter paper
  13. 13.⚖️ 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
  14. 14.🔦 Is clean water opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  15. 15.True or false: a clock to check is not needed for the shadow clock. (a) False (b) True
  16. 16.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we measure it (b) we change it (c) we keep it the same
  17. 17.🔍 Which is the odd one out? (a) tissue paper (b) your hand (c) frosted glass (d) oily paper
  18. 18.🔍 Which is the odd one out? (a) a brick (b) clear plastic film (c) a wooden board (d) your hand
  19. 19.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  20. 20.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) yeast (c) a clock to check (d) a sunny open place
  21. 21.🔍 Which is the odd one out? (a) clean water (b) air (c) a wooden board (d) clear plastic film
  22. 22.🔍 Which is the odd one out? (a) frosted glass (b) oily paper (c) butter paper (d) clear glass
  23. 23.⚖️ 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
  24. 24.🔦 Which of these is transparent? (a) clear plastic film (b) a wooden board (c) a brick (d) frosted glass
  25. 25.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we keep it the same (b) we change it (c) we measure it
  26. 26.True or false: oily paper is translucent. (a) False (b) True
  27. 27.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) coloured (c) bigger (d) smaller
  28. 28.🔦 Which of these is translucent? (a) a brick (b) clear glass (c) butter paper (d) a steel plate
  29. 29.True or false: butter paper is translucent. (a) False (b) True
  30. 30.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) long (c) short (d) missing
  31. 31.🔦 Which of these is transparent? (a) oily paper (b) tissue paper (c) a steel plate (d) air
  32. 32.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a sunny open place (c) chalk to mark shadows (d) a battery cell
  33. 33.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) a woollen sweater (c) a raincoat (d) nothing on your head
  34. 34.🔦 Is a book opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  35. 35.True or false: a brick is opaque. (a) True (b) False
  36. 36.True or false: tissue paper is translucent. (a) True (b) False
  37. 37.🔍 Which is the odd one out? (a) oily paper (b) tissue paper (c) a steel plate (d) butter paper
  38. 38.🧺 Which of these is not needed for the shadow clock? (a) a battery cell (b) chalk to mark shadows (c) a clock to check (d) a sunny open place
  39. 39.True or false: turmeric powder is needed for the shadow clock. (a) True (b) False
  40. 40.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a magnet (b) a straight stick (c) chalk to mark shadows (d) a clock to check

Answer key

  1. the same stick
  2. False
  3. look straight at the Sun
  4. we keep it the same
  5. True
  6. does not work well
  7. a clock to check
  8. telling the time
  9. butter paper
  10. turmeric powder
  11. needed
  12. clean water
  13. False
  14. transparent
  15. False
  16. we change it
  17. your hand
  18. clear plastic film
  19. opaque
  20. yeast
  21. a wooden board
  22. clear glass
  23. True
  24. clear plastic film
  25. we keep it the same
  26. True
  27. bigger
  28. butter paper
  29. True
  30. long
  31. air
  32. a battery cell
  33. a cap or hat
  34. opaque
  35. True
  36. True
  37. a steel plate
  38. a battery cell
  39. False
  40. a magnet

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