← Shadows and a sundial lesson New set →

Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 857 · 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.True or false: turmeric powder is needed for the shadow clock. (a) True (b) False
  2. 2.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a battery cell (c) a clock to check (d) a balloon
  3. 3.⚖️ 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
  4. 4.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the same stick (b) the time of day (c) shadow length (d) the same spot
  5. 5.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) west (b) up (c) north (d) east
  6. 6.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we measure it (b) we change it (c) we keep it the same
  7. 7.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a woollen sweater (c) a raincoat (d) a cap or hat
  8. 8.True or false: clear plastic film is transparent. (a) True (b) False
  9. 9.🌍 Why does the stick’s shadow move during the day? (a) Earth keeps spinning (b) the stick walks (c) the stick grows (d) the ground slides
  10. 10.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  11. 11.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a magnet (c) chalk to mark shadows (d) a clock to check
  12. 12.⚖️ 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
  13. 13.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a balloon (c) yeast (d) chalk to mark shadows
  14. 14.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we keep it the same (b) we measure it (c) we change it
  15. 15.🔍 Which is the odd one out? (a) frosted glass (b) clear glass (c) oily paper (d) tissue paper
  16. 16.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) wear a cap (c) look straight at the Sun (d) sit in the shade
  17. 17.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) round (c) long (d) missing
  18. 18.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a balloon (b) chalk to mark shadows (c) a sunny open place (d) a straight stick
  19. 19.True or false: a mirror is not needed for the shadow clock. (a) True (b) False
  20. 20.True or false: chalk to mark shadows is not needed for the shadow clock. (a) False (b) True
  21. 21.🔦 Which of these is translucent? (a) clean water (b) clear glass (c) a steel plate (d) butter paper
  22. 22.🕰️ What is a sundial used for? (a) telling the time (b) measuring rain (c) weighing things (d) making rainbows
  23. 23.🔍 Which is the odd one out? (a) a steel plate (b) a book (c) your hand (d) tissue paper
  24. 24.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the stick kept upright (b) the same stick (c) shadow length (d) the time of day
  25. 25.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed
  26. 26.True or false: a balloon is needed for the shadow clock. (a) False (b) True
  27. 27.🔍 Which is the odd one out? (a) a steel plate (b) oily paper (c) a brick (d) a book
  28. 28.True or false: butter paper is transparent. (a) False (b) True
  29. 29.🔦 Which of these is opaque? (a) clean water (b) a brick (c) tissue paper (d) oily paper
  30. 30.True or false: a steel plate is opaque. (a) False (b) True
  31. 31.True or false: tissue paper is transparent. (a) True (b) False
  32. 32.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
  33. 33.🔍 Which is the odd one out? (a) frosted glass (b) butter paper (c) a wooden board (d) oily paper
  34. 34.True or false: yeast is needed for the shadow clock. (a) False (b) True
  35. 35.⚖️ 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 same stick
  36. 36.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) coloured (c) smaller (d) bigger
  37. 37.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
  38. 38.⚖️ 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
  39. 39.⚖️ 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
  40. 40.🔍 Which is the odd one out? (a) a book (b) your hand (c) a steel plate (d) clear plastic film

Answer key

  1. False
  2. a clock to check
  3. True
  4. shadow length
  5. west
  6. we measure it
  7. a cap or hat
  8. True
  9. Earth keeps spinning
  10. needed
  11. a magnet
  12. True
  13. chalk to mark shadows
  14. we keep it the same
  15. clear glass
  16. look straight at the Sun
  17. long
  18. a balloon
  19. True
  20. False
  21. butter paper
  22. telling the time
  23. tissue paper
  24. the time of day
  25. not needed
  26. False
  27. oily paper
  28. False
  29. a brick
  30. True
  31. False
  32. needed
  33. a wooden board
  34. False
  35. the same stick
  36. bigger
  37. not needed
  38. we change it
  39. False
  40. clear plastic film

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