← Shadows and a sundial lesson New set →

Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 509 · 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 sunny open place (b) a balloon (c) turmeric powder (d) a battery cell
  2. 2.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) wear a cap (c) mark with chalk (d) look straight at the Sun
  3. 3.🔍 Which is the odd one out? (a) clear glass (b) a wooden board (c) clean water (d) air
  4. 4.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) missing (c) long (d) short
  5. 5.True or false: a steel plate is transparent. (a) False (b) True
  6. 6.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a battery cell (b) chalk to mark shadows (c) a sunny open place (d) a straight stick
  7. 7.⚖️ 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
  8. 8.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is the one thing we change? (a) the same stick (b) shadow length (c) the time of day (d) the stick kept upright
  9. 9.🛟 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
  10. 10.🔍 Which is the odd one out? (a) a book (b) clean water (c) clear plastic film (d) clear glass
  11. 11.⚖️ 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
  12. 12.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a straight stick (c) a clock to check (d) yeast
  13. 13.🔍 Which is the odd one out? (a) a steel plate (b) a book (c) a wooden board (d) tissue paper
  14. 14.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a mirror (c) a straight stick (d) chalk to mark shadows
  15. 15.🧺 Do we need a battery cell for the shadow clock? (a) needed (b) not needed
  16. 16.🔦 Is tissue paper opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  17. 17.🔮 Predict: on a fully cloudy day, the sundial ___. (a) shows two times (b) runs faster (c) works better (d) does not work well
  18. 18.⚖️ 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
  19. 19.🕰️ What is a sundial used for? (a) measuring rain (b) making rainbows (c) telling the time (d) weighing things
  20. 20.🧺 Which of these is needed for the shadow clock? (a) chalk to mark shadows (b) a mirror (c) a battery cell (d) a balloon
  21. 21.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  22. 22.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) bigger (c) smaller (d) coloured
  23. 23.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is what we measure. (a) True (b) False
  24. 24.🔍 Which is the odd one out? (a) oily paper (b) a book (c) a steel plate (d) a wooden board
  25. 25.🔦 Which of these is opaque? (a) clean water (b) clear glass (c) air (d) your hand
  26. 26.True or false: your hand is translucent. (a) True (b) False
  27. 27.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) up (b) west (c) north (d) east
  28. 28.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
  29. 29.🔦 Which of these is transparent? (a) clear glass (b) a wooden board (c) tissue paper (d) your hand
  30. 30.🔦 Which of these is translucent? (a) clear glass (b) tissue paper (c) a book (d) a wooden board
  31. 31.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
  32. 32.⚖️ 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 same stick (c) the time of day
  33. 33.True or false: a magnet is needed for the shadow clock. (a) True (b) False
  34. 34.⚖️ 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 same stick (c) the time of day (d) shadow length
  35. 35.🌍 Why does the stick’s shadow move during the day? (a) the stick grows (b) the ground slides (c) the stick walks (d) Earth keeps spinning
  36. 36.True or false: a steel plate is opaque. (a) False (b) True
  37. 37.🌞 When is a stick’s shadow the shortest? (a) at night (b) late evening (c) around noon (d) early morning
  38. 38.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
  39. 39.True or false: a wooden board is opaque. (a) False (b) True
  40. 40.🔦 Which of these is opaque? (a) tissue paper (b) a steel plate (c) oily paper (d) butter paper

Answer key

  1. a sunny open place
  2. look straight at the Sun
  3. a wooden board
  4. long
  5. False
  6. a battery cell
  7. False
  8. the time of day
  9. a cap or hat
  10. a book
  11. False
  12. yeast
  13. tissue paper
  14. a mirror
  15. not needed
  16. translucent
  17. does not work well
  18. we change it
  19. telling the time
  20. chalk to mark shadows
  21. opaque
  22. bigger
  23. True
  24. oily paper
  25. your hand
  26. False
  27. west
  28. not needed
  29. clear glass
  30. tissue paper
  31. needed
  32. the same stick
  33. False
  34. shadow length
  35. Earth keeps spinning
  36. True
  37. around noon
  38. not needed
  39. True
  40. a steel plate

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