← Shadows and a sundial lesson New set →

Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 137 · 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 air opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  2. 2.⚖️ 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) False (b) True
  3. 3.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
  4. 4.⚖️ 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
  5. 5.True or false: a steel plate is translucent. (a) True (b) False
  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.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is what we measure. (a) False (b) True
  8. 8.True or false: frosted glass is translucent. (a) False (b) True
  9. 9.⚖️ 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 spot (c) the time of day
  10. 10.🔍 Which is the odd one out? (a) a brick (b) a wooden board (c) a steel plate (d) clear glass
  11. 11.⚖️ 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 keep it the same (c) we measure it
  12. 12.📘 Why does a shadow form? (a) the object is cold (b) light bends round it (c) an object blocks light (d) the ground is dark
  13. 13.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) west (c) north (d) east
  14. 14.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a magnet (c) a clock to check (d) a straight stick
  15. 15.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) short (c) missing (d) long
  16. 16.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
  17. 17.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a battery cell (c) yeast (d) a straight stick
  18. 18.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) yeast (c) chalk to mark shadows (d) a balloon
  19. 19.True or false: oily paper is opaque. (a) True (b) False
  20. 20.⚖️ 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
  21. 21.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) sit in the shade (c) wear a cap (d) mark with chalk
  22. 22.🔦 Is your hand opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  23. 23.True or false: chalk to mark shadows is needed for the shadow clock. (a) True (b) False
  24. 24.🕰️ What is a sundial used for? (a) telling the time (b) measuring rain (c) making rainbows (d) weighing things
  25. 25.🧺 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 balloon (d) a sunny open place
  26. 26.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a magnet (c) a balloon (d) a sunny open place
  27. 27.🔍 Which is the odd one out? (a) a book (b) a wooden board (c) a steel plate (d) tissue paper
  28. 28.🔍 Which is the odd one out? (a) butter paper (b) frosted glass (c) a book (d) oily paper
  29. 29.True or false: clear plastic film is transparent. (a) False (b) True
  30. 30.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) nothing on your head (c) a cap or hat (d) a raincoat
  31. 31.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) bigger (c) coloured (d) smaller
  32. 32.True or false: butter paper is translucent. (a) False (b) True
  33. 33.🔍 Which is the odd one out? (a) clear plastic film (b) frosted glass (c) air (d) clear glass
  34. 34.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a clock to check (c) chalk to mark shadows (d) a mirror
  35. 35.⚖️ 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 change it (c) we keep it the same
  36. 36.🔍 Which is the odd one out? (a) a steel plate (b) butter paper (c) a book (d) your hand
  37. 37.🧺 Which of these is not needed for the shadow clock? (a) a mirror (b) a straight stick (c) a clock to check (d) chalk to mark shadows
  38. 38.⚖️ 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
  39. 39.🔦 Is butter paper opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  40. 40.🔍 Which is the odd one out? (a) frosted glass (b) air (c) butter paper (d) oily paper

Answer key

  1. transparent
  2. False
  3. not needed
  4. False
  5. False
  6. does not work well
  7. False
  8. True
  9. the same spot
  10. clear glass
  11. we keep it the same
  12. an object blocks light
  13. west
  14. a magnet
  15. long
  16. not needed
  17. a straight stick
  18. chalk to mark shadows
  19. False
  20. True
  21. look straight at the Sun
  22. opaque
  23. True
  24. telling the time
  25. a balloon
  26. a sunny open place
  27. tissue paper
  28. a book
  29. True
  30. a cap or hat
  31. bigger
  32. True
  33. frosted glass
  34. a mirror
  35. we keep it the same
  36. butter paper
  37. a mirror
  38. False
  39. translucent
  40. air

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