← Shadows and a sundial lesson New set →

Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 556 · 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? What do we do with “the same stick”? (a) we measure it (b) we keep it the same (c) we change it
  2. 2.True or false: air is transparent. (a) True (b) False
  3. 3.🧺 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 mirror
  4. 4.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) a clock to check (c) a straight stick (d) a sunny open place
  5. 5.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a straight stick (c) a magnet (d) a clock to check
  6. 6.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a magnet (c) a clock to check (d) turmeric powder
  7. 7.🔍 Which is the odd one out? (a) butter paper (b) a steel plate (c) oily paper (d) tissue paper
  8. 8.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) works better (c) does not work well (d) shows two times
  9. 9.⚖️ 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 change it (c) we measure it
  10. 10.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
  11. 11.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
  12. 12.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) False (b) True
  13. 13.True or false: a balloon is needed for the shadow clock. (a) True (b) False
  14. 14.🔦 Is clear glass opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  15. 15.🛟 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
  16. 16.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) short (c) round (d) long
  17. 17.⚖️ 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
  18. 18.🔦 Which of these is opaque? (a) tissue paper (b) a steel plate (c) air (d) butter paper
  19. 19.⚖️ 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
  20. 20.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same spot (b) the same stick (c) shadow length (d) the time of day
  21. 21.🔍 Which is the odd one out? (a) clear glass (b) air (c) frosted glass (d) clean water
  22. 22.🕰️ What is a sundial used for? (a) weighing things (b) making rainbows (c) telling the time (d) measuring rain
  23. 23.True or false: clear glass is transparent. (a) True (b) False
  24. 24.📘 Why does a shadow form? (a) the ground is dark (b) the object is cold (c) light bends round it (d) an object blocks light
  25. 25.True or false: your hand is opaque. (a) False (b) True
  26. 26.True or false: a clock to check is needed for the shadow clock. (a) True (b) False
  27. 27.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a balloon (c) chalk to mark shadows (d) a straight stick
  28. 28.🔦 Is tissue paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  29. 29.🔦 Is a book opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  30. 30.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) north (c) west (d) up
  31. 31.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a magnet (b) a sunny open place (c) chalk to mark shadows (d) a clock to check
  32. 32.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
  33. 33.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) brighter (c) coloured (d) smaller
  34. 34.⚖️ 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) False (b) True
  35. 35.True or false: a magnet is not needed for the shadow clock. (a) True (b) False
  36. 36.🛟 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
  37. 37.🔦 Which of these is transparent? (a) clean water (b) frosted glass (c) a brick (d) tissue paper
  38. 38.True or false: a clock to check is not needed for the shadow clock. (a) False (b) True
  39. 39.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is the one thing we change. (a) True (b) False
  40. 40.True or false: yeast is needed for the shadow clock. (a) False (b) True

Answer key

  1. we keep it the same
  2. True
  3. a mirror
  4. turmeric powder
  5. a magnet
  6. a clock to check
  7. a steel plate
  8. does not work well
  9. we keep it the same
  10. not needed
  11. False
  12. False
  13. False
  14. transparent
  15. look straight at the Sun
  16. long
  17. False
  18. a steel plate
  19. False
  20. shadow length
  21. frosted glass
  22. telling the time
  23. True
  24. an object blocks light
  25. True
  26. True
  27. a balloon
  28. translucent
  29. opaque
  30. west
  31. a magnet
  32. needed
  33. bigger
  34. True
  35. True
  36. a cap or hat
  37. clean water
  38. False
  39. False
  40. False

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