← Shadows and a sundial lesson New set →

Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 365 · 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 battery cell (b) a magnet (c) yeast (d) a clock to check
  2. 2.⚖️ 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) the same spot (d) shadow length
  3. 3.⚖️ 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 measure it (c) we change it
  4. 4.🌍 Why does the stick’s shadow move during the day? (a) the stick grows (b) Earth keeps spinning (c) the stick walks (d) the ground slides
  5. 5.🧺 Do we need a sunny open place for the shadow clock? (a) needed (b) not needed
  6. 6.🔦 Is your hand opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  7. 7.🔦 Is frosted glass opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  8. 8.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is the one thing we change. (a) True (b) False
  9. 9.True or false: your hand is opaque. (a) False (b) True
  10. 10.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  11. 11.🛟 What should you wear for a long time in the hot sun? (a) a raincoat (b) nothing on your head (c) a woollen sweater (d) a cap or hat
  12. 12.🔍 Which is the odd one out? (a) butter paper (b) frosted glass (c) your hand (d) oily paper
  13. 13.⚖️ 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) False (b) True
  14. 14.🌞 When is a stick’s shadow the shortest? (a) late evening (b) early morning (c) at night (d) around noon
  15. 15.🧺 Which of these is not needed for the shadow clock? (a) a mirror (b) a straight stick (c) a sunny open place (d) a clock to check
  16. 16.🔦 Is clear glass opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  17. 17.🧺 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) chalk to mark shadows (d) turmeric powder
  18. 18.True or false: a clock to check is not needed for the shadow clock. (a) False (b) True
  19. 19.🔍 Which is the odd one out? (a) your hand (b) a book (c) frosted glass (d) a wooden board
  20. 20.True or false: clean water is opaque. (a) False (b) True
  21. 21.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) chalk to mark shadows (c) a sunny open place (d) a magnet
  22. 22.🔦 Is a brick opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  23. 23.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) round (b) short (c) long (d) missing
  24. 24.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we measure it (b) we change it (c) we keep it the same
  25. 25.🧺 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 clock to check (d) a balloon
  26. 26.⚖️ 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 keep it the same (c) we measure it
  27. 27.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) brighter (b) bigger (c) coloured (d) smaller
  28. 28.🔦 Is a wooden board opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  29. 29.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) a balloon (c) a straight stick (d) turmeric powder
  30. 30.True or false: a straight stick is not needed for the shadow clock. (a) False (b) True
  31. 31.🔦 Which of these is opaque? (a) clean water (b) a book (c) frosted glass (d) clear glass
  32. 32.🔦 Is oily paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  33. 33.🔍 Which is the odd one out? (a) a wooden board (b) a steel plate (c) a book (d) oily paper
  34. 34.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) a straight stick (c) a magnet (d) a clock to check
  35. 35.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
  36. 36.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a sunny open place (c) a straight stick (d) a balloon
  37. 37.True or false: a mirror is needed for the shadow clock. (a) True (b) False
  38. 38.True or false: a sunny open place is not needed for the shadow clock. (a) True (b) False
  39. 39.True or false: oily paper is opaque. (a) False (b) True
  40. 40.🔦 Which of these is translucent? (a) a wooden board (b) a steel plate (c) your hand (d) tissue paper

Answer key

  1. a clock to check
  2. shadow length
  3. we change it
  4. Earth keeps spinning
  5. needed
  6. opaque
  7. translucent
  8. False
  9. True
  10. needed
  11. a cap or hat
  12. your hand
  13. False
  14. around noon
  15. a mirror
  16. transparent
  17. turmeric powder
  18. False
  19. frosted glass
  20. False
  21. a magnet
  22. opaque
  23. long
  24. we keep it the same
  25. a balloon
  26. we measure it
  27. bigger
  28. opaque
  29. a straight stick
  30. False
  31. a book
  32. translucent
  33. oily paper
  34. a magnet
  35. True
  36. a balloon
  37. False
  38. False
  39. False
  40. tissue paper

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