← Shadows and a sundial lesson New set →

Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 425 · 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.🔍 Which is the odd one out? (a) butter paper (b) oily paper (c) tissue paper (d) your hand
  2. 2.🧺 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 balloon (d) a clock to check
  3. 3.🔦 Which of these is opaque? (a) clear plastic film (b) a steel plate (c) frosted glass (d) air
  4. 4.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) sit in the shade (c) mark with chalk (d) wear a cap
  5. 5.True or false: butter paper is transparent. (a) False (b) True
  6. 6.🔍 Which is the odd one out? (a) your hand (b) a book (c) a wooden board (d) tissue paper
  7. 7.⚖️ 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) False (b) True
  8. 8.🔦 Is clear plastic film opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  9. 9.🔦 Which of these is opaque? (a) clear plastic film (b) a wooden board (c) clear glass (d) air
  10. 10.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a raincoat (c) a woollen sweater (d) a cap or hat
  11. 11.True or false: a wooden board is transparent. (a) False (b) True
  12. 12.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
  13. 13.⚖️ 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
  14. 14.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
  15. 15.True or false: a mirror is not needed for the shadow clock. (a) False (b) True
  16. 16.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) long (b) round (c) missing (d) short
  17. 17.True or false: turmeric powder is not needed for the shadow clock. (a) False (b) True
  18. 18.True or false: a clock to check is not needed for the shadow clock. (a) False (b) True
  19. 19.🕰️ What is a sundial used for? (a) making rainbows (b) measuring rain (c) weighing things (d) telling the time
  20. 20.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) brighter (c) coloured (d) smaller
  21. 21.🧺 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 magnet
  22. 22.True or false: a straight stick is not needed for the shadow clock. (a) True (b) False
  23. 23.🔦 Is your hand opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  24. 24.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  25. 25.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) yeast (c) a magnet (d) chalk to mark shadows
  26. 26.🔦 Which of these is translucent? (a) tissue paper (b) clear glass (c) a book (d) air
  27. 27.🔍 Which is the odd one out? (a) a wooden board (b) air (c) clear plastic film (d) clear glass
  28. 28.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a balloon (c) yeast (d) a clock to check
  29. 29.🧺 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) chalk to mark shadows
  30. 30.🌍 Why does the stick’s shadow move during the day? (a) the stick grows (b) the stick walks (c) the ground slides (d) Earth keeps spinning
  31. 31.🔦 Is clean water opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  32. 32.True or false: a straight stick is needed for the shadow clock. (a) False (b) True
  33. 33.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a straight stick (c) a mirror (d) a clock to check
  34. 34.True or false: a battery cell is not needed for the shadow clock. (a) True (b) False
  35. 35.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
  36. 36.🔮 Predict: on a fully cloudy day, the sundial ___. (a) shows two times (b) does not work well (c) runs faster (d) works better
  37. 37.⚖️ 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 stick kept upright (d) shadow length
  38. 38.⚖️ 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 time of day (c) the same stick
  39. 39.True or false: a steel plate is opaque. (a) True (b) False
  40. 40.True or false: oily paper is translucent. (a) False (b) True

Answer key

  1. your hand
  2. a balloon
  3. a steel plate
  4. look straight at the Sun
  5. False
  6. tissue paper
  7. False
  8. transparent
  9. a wooden board
  10. a cap or hat
  11. False
  12. needed
  13. we change it
  14. not needed
  15. True
  16. long
  17. True
  18. False
  19. telling the time
  20. bigger
  21. a magnet
  22. False
  23. opaque
  24. needed
  25. chalk to mark shadows
  26. tissue paper
  27. a wooden board
  28. a clock to check
  29. turmeric powder
  30. Earth keeps spinning
  31. transparent
  32. True
  33. a mirror
  34. True
  35. not needed
  36. does not work well
  37. shadow length
  38. the same stick
  39. True
  40. True

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