← Shadows and a sundial lesson New set →

Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 78 · 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.📘 Why does a shadow form? (a) the ground is dark (b) light bends round it (c) an object blocks light (d) the object is cold
  2. 2.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) coloured (b) brighter (c) smaller (d) bigger
  3. 3.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
  4. 4.True or false: a wooden board is translucent. (a) False (b) True
  5. 5.🌞 When is a stick’s shadow the shortest? (a) early morning (b) late evening (c) around noon (d) at night
  6. 6.⚖️ 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
  7. 7.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
  8. 8.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) west (b) up (c) east (d) north
  9. 9.🕰️ What is a sundial used for? (a) weighing things (b) telling the time (c) measuring rain (d) making rainbows
  10. 10.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a raincoat (c) a cap or hat (d) a woollen sweater
  11. 11.True or false: a steel plate is translucent. (a) False (b) True
  12. 12.True or false: a balloon is needed for the shadow clock. (a) False (b) True
  13. 13.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) long (c) short (d) missing
  14. 14.True or false: a magnet is needed for the shadow clock. (a) True (b) False
  15. 15.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the same stick (b) the time of day (c) the stick kept upright (d) the same spot
  16. 16.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
  17. 17.🔍 Which is the odd one out? (a) your hand (b) a book (c) a brick (d) butter paper
  18. 18.⚖️ 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
  19. 19.True or false: a wooden board is transparent. (a) True (b) False
  20. 20.🔦 Is a book opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  21. 21.True or false: your hand is transparent. (a) True (b) False
  22. 22.🔍 Which is the odd one out? (a) butter paper (b) a steel plate (c) frosted glass (d) oily paper
  23. 23.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
  24. 24.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) look straight at the Sun (c) sit in the shade (d) wear a cap
  25. 25.True or false: chalk to mark shadows is needed for the shadow clock. (a) False (b) True
  26. 26.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) yeast (c) chalk to mark shadows (d) a sunny open place
  27. 27.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
  28. 28.🔦 Is air opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  29. 29.🔦 Is a steel plate opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  30. 30.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) chalk to mark shadows (c) a sunny open place (d) a battery cell
  31. 31.⚖️ 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
  32. 32.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
  33. 33.⚖️ 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
  34. 34.True or false: a battery cell is needed for the shadow clock. (a) False (b) True
  35. 35.🔦 Is tissue paper opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  36. 36.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) a clock to check (d) a balloon
  37. 37.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is what we measure. (a) True (b) False
  38. 38.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
  39. 39.True or false: tissue paper is translucent. (a) True (b) False
  40. 40.🔦 Is frosted glass opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque

Answer key

  1. an object blocks light
  2. bigger
  3. not needed
  4. False
  5. around noon
  6. the same stick
  7. not needed
  8. west
  9. telling the time
  10. a cap or hat
  11. False
  12. False
  13. long
  14. False
  15. the time of day
  16. needed
  17. butter paper
  18. False
  19. False
  20. opaque
  21. False
  22. a steel plate
  23. not needed
  24. look straight at the Sun
  25. True
  26. yeast
  27. needed
  28. transparent
  29. opaque
  30. a battery cell
  31. we change it
  32. not needed
  33. False
  34. False
  35. translucent
  36. a balloon
  37. True
  38. needed
  39. True
  40. translucent

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