← Shadows and a sundial lesson New set →

Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 404 · 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.🔦 Is clear glass opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  2. 2.🔍 Which is the odd one out? (a) clear plastic film (b) a steel plate (c) air (d) clear glass
  3. 3.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  4. 4.True or false: a wooden board is translucent. (a) False (b) True
  5. 5.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) True (b) False
  6. 6.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
  7. 7.🧺 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) a battery cell (d) a straight stick
  8. 8.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) smaller (c) coloured (d) brighter
  9. 9.🔦 Which of these is opaque? (a) air (b) frosted glass (c) a book (d) butter paper
  10. 10.⚖️ 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 time of day (c) the same spot (d) the same stick
  11. 11.⚖️ 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 stick (c) the time of day (d) the same spot
  12. 12.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
  13. 13.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) shows two times (c) works better (d) does not work well
  14. 14.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
  15. 15.🔦 Is your hand opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  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.🕰️ What is a sundial used for? (a) telling the time (b) making rainbows (c) weighing things (d) measuring rain
  18. 18.True or false: a mirror is needed for the shadow clock. (a) True (b) False
  19. 19.🧺 Which of these is needed for the shadow clock? (a) a straight stick (b) yeast (c) a mirror (d) a battery cell
  20. 20.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) chalk to mark shadows (c) a straight stick (d) a mirror
  21. 21.True or false: a book is opaque. (a) False (b) True
  22. 22.🔍 Which is the odd one out? (a) a wooden board (b) frosted glass (c) oily paper (d) tissue paper
  23. 23.🔍 Which is the odd one out? (a) clear glass (b) clean water (c) air (d) frosted glass
  24. 24.🔦 Is a wooden board opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  25. 25.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) wear a cap (c) sit in the shade (d) look straight at the Sun
  26. 26.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a mirror (c) a balloon (d) chalk to mark shadows
  27. 27.🌍 Why does the stick’s shadow move during the day? (a) the stick grows (b) Earth keeps spinning (c) the ground slides (d) the stick walks
  28. 28.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) missing (c) long (d) short
  29. 29.🛟 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
  30. 30.True or false: yeast is not needed for the shadow clock. (a) True (b) False
  31. 31.🔦 Is a book opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  32. 32.⚖️ 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
  33. 33.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we change it (b) we measure it (c) we keep it the same
  34. 34.🔦 Which of these is opaque? (a) frosted glass (b) clear plastic film (c) a steel plate (d) tissue paper
  35. 35.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we keep it the same (b) we measure it (c) we change it
  36. 36.🔦 Which of these is translucent? (a) a book (b) oily paper (c) your hand (d) a wooden board
  37. 37.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we change it (b) we measure it (c) we keep it the same
  38. 38.True or false: a mirror is not needed for the shadow clock. (a) False (b) True
  39. 39.🔦 Which of these is transparent? (a) air (b) a brick (c) a steel plate (d) frosted glass
  40. 40.True or false: a balloon is not needed for the shadow clock. (a) False (b) True

Answer key

  1. transparent
  2. a steel plate
  3. needed
  4. False
  5. False
  6. not needed
  7. a battery cell
  8. bigger
  9. a book
  10. shadow length
  11. the time of day
  12. needed
  13. does not work well
  14. True
  15. opaque
  16. False
  17. telling the time
  18. False
  19. a straight stick
  20. a mirror
  21. True
  22. a wooden board
  23. frosted glass
  24. opaque
  25. look straight at the Sun
  26. chalk to mark shadows
  27. Earth keeps spinning
  28. long
  29. a cap or hat
  30. True
  31. opaque
  32. False
  33. we measure it
  34. a steel plate
  35. we keep it the same
  36. oily paper
  37. we change it
  38. True
  39. air
  40. True

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids