← Shadows and a sundial lesson New set →

Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 214 · 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 of these is needed for the shadow clock? (a) a magnet (b) a mirror (c) yeast (d) a clock to check
  2. 2.True or false: a straight stick is not needed for the shadow clock. (a) True (b) False
  3. 3.🛟 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
  4. 4.True or false: your hand is opaque. (a) True (b) False
  5. 5.True or false: butter paper is opaque. (a) True (b) False
  6. 6.🔍 Which is the odd one out? (a) a wooden board (b) air (c) a brick (d) a book
  7. 7.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  8. 8.True or false: a battery cell is not needed for the shadow clock. (a) False (b) True
  9. 9.True or false: a straight stick is needed for the shadow clock. (a) True (b) False
  10. 10.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) long (c) short (d) round
  11. 11.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
  12. 12.🧺 Which of these is not needed for the shadow clock? (a) a straight stick (b) chalk to mark shadows (c) a clock to check (d) a balloon
  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 change it (b) we keep it the same (c) we measure it
  14. 14.🔮 Predict: on a fully cloudy day, the sundial ___. (a) runs faster (b) shows two times (c) works better (d) does not work well
  15. 15.🔍 Which is the odd one out? (a) butter paper (b) clear plastic film (c) clear glass (d) clean water
  16. 16.⚖️ 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
  17. 17.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a cap or hat (c) a woollen sweater (d) a raincoat
  18. 18.True or false: a sunny open place is needed for the shadow clock. (a) True (b) False
  19. 19.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a balloon (b) a clock to check (c) chalk to mark shadows (d) a sunny open place
  20. 20.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a clock to check (c) a magnet (d) a sunny open place
  21. 21.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the stick kept upright (b) the time of day (c) the same stick (d) shadow length
  22. 22.True or false: oily paper is transparent. (a) True (b) False
  23. 23.⚖️ 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
  24. 24.True or false: a magnet is needed for the shadow clock. (a) False (b) True
  25. 25.📘 Why does a shadow form? (a) light bends round it (b) the object is cold (c) the ground is dark (d) an object blocks light
  26. 26.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) shadow length (b) the same stick (c) the stick kept upright (d) the time of day
  27. 27.🔦 Which of these is opaque? (a) clear glass (b) a brick (c) oily paper (d) clear plastic film
  28. 28.🕰️ What is a sundial used for? (a) measuring rain (b) telling the time (c) weighing things (d) making rainbows
  29. 29.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
  30. 30.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a straight stick (c) a battery cell (d) a balloon
  31. 31.🧺 Do we need a balloon for the shadow clock? (a) not needed (b) needed
  32. 32.🧺 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 battery cell (d) a straight stick
  33. 33.🔦 Which of these is translucent? (a) clear plastic film (b) clean water (c) a book (d) oily paper
  34. 34.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we change it (b) we measure it (c) we keep it the same
  35. 35.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) coloured (c) smaller (d) bigger
  36. 36.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) yeast (c) chalk to mark shadows (d) turmeric powder
  37. 37.True or false: yeast is not needed for the shadow clock. (a) False (b) True
  38. 38.⚖️ 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) True (b) False
  39. 39.🧺 Do we need a mirror for the shadow clock? (a) needed (b) not needed
  40. 40.🧺 Do we need turmeric powder for the shadow clock? (a) needed (b) not needed

Answer key

  1. a clock to check
  2. False
  3. look straight at the Sun
  4. True
  5. False
  6. air
  7. opaque
  8. True
  9. True
  10. long
  11. not needed
  12. a balloon
  13. we change it
  14. does not work well
  15. butter paper
  16. False
  17. a cap or hat
  18. True
  19. a balloon
  20. a magnet
  21. shadow length
  22. False
  23. False
  24. False
  25. an object blocks light
  26. the time of day
  27. a brick
  28. telling the time
  29. not needed
  30. a straight stick
  31. not needed
  32. a battery cell
  33. oily paper
  34. we measure it
  35. bigger
  36. chalk to mark shadows
  37. True
  38. False
  39. not needed
  40. not needed

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