← Shadows and a sundial lesson New set →

Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 608 · 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? True or false: shadow length is what we measure. (a) False (b) True
  2. 2.🔍 Which is the odd one out? (a) your hand (b) a steel plate (c) frosted glass (d) a book
  3. 3.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) coloured (c) bigger (d) brighter
  4. 4.🔦 Is clear glass opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  5. 5.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the time of day (b) the same stick (c) the same spot (d) shadow length
  6. 6.⚖️ 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
  7. 7.True or false: chalk to mark shadows is needed for the shadow clock. (a) True (b) False
  8. 8.🔦 Which of these is translucent? (a) a brick (b) frosted glass (c) clear glass (d) air
  9. 9.🔦 Which of these is transparent? (a) clear glass (b) your hand (c) oily paper (d) a book
  10. 10.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a clock to check (c) a magnet (d) a battery cell
  11. 11.⚖️ 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) False (b) True
  12. 12.True or false: oily paper is transparent. (a) False (b) True
  13. 13.True or false: oily paper is translucent. (a) True (b) False
  14. 14.⚖️ 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
  15. 15.⚖️ 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
  16. 16.True or false: your hand is transparent. (a) True (b) False
  17. 17.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is the one thing we change. (a) True (b) False
  18. 18.🔦 Which of these is transparent? (a) tissue paper (b) air (c) your hand (d) a book
  19. 19.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) missing (c) long (d) round
  20. 20.True or false: turmeric powder is needed for the shadow clock. (a) True (b) False
  21. 21.🕰️ What is a sundial used for? (a) measuring rain (b) weighing things (c) making rainbows (d) telling the time
  22. 22.🧺 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 mirror (d) a straight stick
  23. 23.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
  24. 24.True or false: a steel plate is translucent. (a) False (b) True
  25. 25.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is kept the same. (a) True (b) False
  26. 26.True or false: a book is opaque. (a) False (b) True
  27. 27.True or false: air is translucent. (a) False (b) True
  28. 28.🔦 Which of these is opaque? (a) clear plastic film (b) oily paper (c) clean water (d) a wooden board
  29. 29.True or false: a clock to check is needed for the shadow clock. (a) True (b) False
  30. 30.🧺 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) chalk to mark shadows
  31. 31.True or false: a wooden board is transparent. (a) False (b) True
  32. 32.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) chalk to mark shadows (c) a straight stick (d) a balloon
  33. 33.True or false: a magnet is needed for the shadow clock. (a) False (b) True
  34. 34.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we measure it (b) we keep it the same (c) we change it
  35. 35.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
  36. 36.⚖️ 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) False (b) True
  37. 37.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a magnet (c) chalk to mark shadows (d) a straight stick
  38. 38.True or false: turmeric powder is not needed for the shadow clock. (a) True (b) False
  39. 39.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is the one thing we change. (a) True (b) False
  40. 40.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) mark with chalk (c) look straight at the Sun (d) sit in the shade

Answer key

  1. True
  2. frosted glass
  3. bigger
  4. transparent
  5. shadow length
  6. False
  7. True
  8. frosted glass
  9. clear glass
  10. a clock to check
  11. False
  12. False
  13. True
  14. we change it
  15. False
  16. False
  17. False
  18. air
  19. long
  20. False
  21. telling the time
  22. a mirror
  23. needed
  24. False
  25. True
  26. True
  27. False
  28. a wooden board
  29. True
  30. a magnet
  31. False
  32. a balloon
  33. False
  34. we keep it the same
  35. needed
  36. False
  37. a magnet
  38. True
  39. False
  40. look straight at the Sun

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