← Shadows and a sundial lesson New set →

Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 637 · 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.🕰️ What is a sundial used for? (a) measuring rain (b) making rainbows (c) weighing things (d) telling the time
  2. 2.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
  3. 3.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
  4. 4.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) look straight at the Sun (c) mark with chalk (d) wear a cap
  5. 5.True or false: a clock to check is not needed for the shadow clock. (a) False (b) True
  6. 6.⚖️ 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
  7. 7.True or false: a magnet is needed for the shadow clock. (a) True (b) False
  8. 8.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the time of day”? (a) we keep it the same (b) we change it (c) we measure it
  9. 9.🔦 Is a steel plate opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  10. 10.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
  11. 11.🔍 Which is the odd one out? (a) clear glass (b) a steel plate (c) a book (d) a brick
  12. 12.True or false: air is transparent. (a) False (b) True
  13. 13.⚖️ 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) False (b) True
  14. 14.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is kept the same? (a) the time of day (b) shadow length (c) the stick kept upright
  15. 15.🌍 Why does the stick’s shadow move during the day? (a) the stick walks (b) the ground slides (c) the stick grows (d) Earth keeps spinning
  16. 16.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  17. 17.🔦 Which of these is opaque? (a) air (b) clear glass (c) clean water (d) a steel plate
  18. 18.🔍 Which is the odd one out? (a) clean water (b) a brick (c) clear glass (d) clear plastic film
  19. 19.⚖️ 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 change it (c) we measure it
  20. 20.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a sunny open place (c) a clock to check (d) a mirror
  21. 21.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a magnet (c) a clock to check (d) yeast
  22. 22.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a clock to check (c) turmeric powder (d) a straight stick
  23. 23.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) north (b) east (c) up (d) west
  24. 24.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) coloured (c) smaller (d) brighter
  25. 25.🔍 Which is the odd one out? (a) air (b) clear glass (c) a book (d) clean water
  26. 26.🧺 Which of these is needed for the shadow clock? (a) chalk to mark shadows (b) a magnet (c) a balloon (d) yeast
  27. 27.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) False (b) True
  28. 28.🔦 Which of these is opaque? (a) clean water (b) frosted glass (c) oily paper (d) your hand
  29. 29.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) a raincoat (c) nothing on your head (d) a cap or hat
  30. 30.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
  31. 31.🌞 When is a stick’s shadow the shortest? (a) at night (b) early morning (c) around noon (d) late evening
  32. 32.⚖️ 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
  33. 33.🔦 Which of these is translucent? (a) a book (b) air (c) oily paper (d) a brick
  34. 34.🔦 Is tissue paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  35. 35.⚖️ 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 measure it (c) we keep it the same
  36. 36.True or false: your hand is opaque. (a) True (b) False
  37. 37.🔮 Predict: on a fully cloudy day, the sundial ___. (a) works better (b) runs faster (c) shows two times (d) does not work well
  38. 38.🔦 Which of these is translucent? (a) frosted glass (b) your hand (c) clear glass (d) a brick
  39. 39.True or false: a steel plate is opaque. (a) True (b) False
  40. 40.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) missing (c) long (d) round

Answer key

  1. telling the time
  2. not needed
  3. False
  4. look straight at the Sun
  5. False
  6. True
  7. False
  8. we change it
  9. opaque
  10. needed
  11. clear glass
  12. True
  13. True
  14. the stick kept upright
  15. Earth keeps spinning
  16. needed
  17. a steel plate
  18. a brick
  19. we measure it
  20. a mirror
  21. a clock to check
  22. turmeric powder
  23. west
  24. bigger
  25. a book
  26. chalk to mark shadows
  27. True
  28. your hand
  29. a cap or hat
  30. needed
  31. around noon
  32. False
  33. oily paper
  34. translucent
  35. we keep it the same
  36. True
  37. does not work well
  38. frosted glass
  39. True
  40. long

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