← Shadows and a sundial lesson New set →

Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 135 · 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.🌞 When is a stick’s shadow the shortest? (a) around noon (b) at night (c) early morning (d) late evening
  2. 2.🔦 Is a steel plate opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  3. 3.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we measure it (b) we keep it the same (c) we change it
  4. 4.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  5. 5.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) bigger (c) coloured (d) brighter
  6. 6.True or false: butter paper is translucent. (a) False (b) True
  7. 7.🔍 Which is the odd one out? (a) tissue paper (b) frosted glass (c) oily paper (d) clear glass
  8. 8.True or false: a brick is translucent. (a) False (b) True
  9. 9.🔍 Which is the odd one out? (a) your hand (b) air (c) clear glass (d) clean water
  10. 10.📘 Why does a shadow form? (a) light bends round it (b) the ground is dark (c) an object blocks light (d) the object is cold
  11. 11.⚖️ 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 keep it the same (c) we change it
  12. 12.True or false: a steel plate is opaque. (a) False (b) True
  13. 13.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a battery cell (b) a straight stick (c) chalk to mark shadows (d) a sunny open place
  14. 14.🕰️ What is a sundial used for? (a) weighing things (b) measuring rain (c) making rainbows (d) telling the time
  15. 15.🔦 Is frosted glass opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  16. 16.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) sit in the shade (c) look straight at the Sun (d) wear a cap
  17. 17.⚖️ 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) shadow length (c) the same spot (d) the stick kept upright
  18. 18.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a magnet (c) turmeric powder (d) a clock to check
  19. 19.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a magnet (b) a straight stick (c) a sunny open place (d) a clock to check
  20. 20.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
  21. 21.⚖️ 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) False (b) True
  22. 22.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  23. 23.True or false: clear plastic film is transparent. (a) False (b) True
  24. 24.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
  25. 25.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  26. 26.🔮 Predict: on a fully cloudy day, the sundial ___. (a) shows two times (b) does not work well (c) runs faster (d) works better
  27. 27.🧺 Which of these is not needed for the shadow clock? (a) a balloon (b) chalk to mark shadows (c) a clock to check (d) a sunny open place
  28. 28.⚖️ 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
  29. 29.🔍 Which is the odd one out? (a) your hand (b) a book (c) tissue paper (d) a wooden board
  30. 30.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the stick walks (c) the ground slides (d) the stick grows
  31. 31.⚖️ 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
  32. 32.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) nothing on your head (c) a woollen sweater (d) a cap or hat
  33. 33.⚖️ 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
  34. 34.🔦 Is a brick opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  35. 35.True or false: tissue paper is opaque. (a) False (b) True
  36. 36.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is what we measure. (a) True (b) False
  37. 37.True or false: a sunny open place is needed for the shadow clock. (a) True (b) False
  38. 38.True or false: frosted glass is translucent. (a) True (b) False
  39. 39.True or false: a straight stick is not needed for the shadow clock. (a) True (b) False
  40. 40.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) round (c) missing (d) long

Answer key

  1. around noon
  2. opaque
  3. we keep it the same
  4. translucent
  5. bigger
  6. True
  7. clear glass
  8. False
  9. your hand
  10. an object blocks light
  11. we change it
  12. True
  13. a battery cell
  14. telling the time
  15. translucent
  16. look straight at the Sun
  17. shadow length
  18. a clock to check
  19. a magnet
  20. not needed
  21. False
  22. needed
  23. True
  24. not needed
  25. opaque
  26. does not work well
  27. a balloon
  28. we measure it
  29. tissue paper
  30. Earth keeps spinning
  31. False
  32. a cap or hat
  33. the same stick
  34. opaque
  35. False
  36. False
  37. True
  38. True
  39. False
  40. long

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