← Shadows and a sundial lesson New set →

Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 995 · 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.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
  2. 2.True or false: clear plastic film is transparent. (a) True (b) False
  3. 3.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  4. 4.🧺 Do we need a clock to check for the shadow clock? (a) needed (b) not needed
  5. 5.True or false: a sunny open place is not needed for the shadow clock. (a) False (b) True
  6. 6.True or false: a clock to check is needed for the shadow clock. (a) True (b) False
  7. 7.🔍 Which is the odd one out? (a) frosted glass (b) clear glass (c) butter paper (d) oily paper
  8. 8.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) a balloon (c) chalk to mark shadows (d) a sunny open place
  9. 9.🧺 Do we need a magnet for the shadow clock? (a) needed (b) not needed
  10. 10.⚖️ 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
  11. 11.🔦 Is a book opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  12. 12.🔦 Which of these is transparent? (a) a brick (b) clear glass (c) a book (d) a steel plate
  13. 13.True or false: turmeric powder is not needed for the shadow clock. (a) True (b) False
  14. 14.True or false: butter paper is translucent. (a) False (b) True
  15. 15.True or false: a book is opaque. (a) True (b) False
  16. 16.🛟 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
  17. 17.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we measure it (b) we keep it the same (c) we change it
  18. 18.🔦 Which of these is opaque? (a) tissue paper (b) air (c) clear plastic film (d) a wooden board
  19. 19.⚖️ 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 time of day (c) the same stick (d) shadow length
  20. 20.True or false: a brick is opaque. (a) True (b) False
  21. 21.⚖️ 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
  22. 22.🧺 Do we need a balloon for the shadow clock? (a) needed (b) not needed
  23. 23.🔦 Which of these is transparent? (a) a book (b) clean water (c) oily paper (d) a steel plate
  24. 24.🧺 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) turmeric powder (d) a straight stick
  25. 25.🌞 When is a stick’s shadow the shortest? (a) at night (b) late evening (c) early morning (d) around noon
  26. 26.⚖️ 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 same spot (d) shadow length
  27. 27.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) a clock to check (c) turmeric powder (d) a magnet
  28. 28.True or false: a balloon is not needed for the shadow clock. (a) False (b) True
  29. 29.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) coloured (c) brighter (d) bigger
  30. 30.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we keep it the same (b) we change it (c) we measure it
  31. 31.⚖️ 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 spot
  32. 32.🔍 Which is the odd one out? (a) oily paper (b) butter paper (c) frosted glass (d) clear plastic film
  33. 33.True or false: oily paper is translucent. (a) False (b) True
  34. 34.🧺 Which of these is not needed for the shadow clock? (a) a mirror (b) a clock to check (c) a straight stick (d) a sunny open place
  35. 35.True or false: clean water is transparent. (a) False (b) True
  36. 36.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
  37. 37.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) mark with chalk (c) look straight at the Sun (d) wear a cap
  38. 38.🔍 Which is the odd one out? (a) clear plastic film (b) clear glass (c) clean water (d) a book
  39. 39.True or false: chalk to mark shadows is needed for the shadow clock. (a) True (b) False
  40. 40.True or false: a mirror is needed for the shadow clock. (a) False (b) True

Answer key

  1. not needed
  2. True
  3. needed
  4. needed
  5. False
  6. True
  7. clear glass
  8. a balloon
  9. not needed
  10. True
  11. opaque
  12. clear glass
  13. True
  14. True
  15. True
  16. a cap or hat
  17. we keep it the same
  18. a wooden board
  19. the time of day
  20. True
  21. we keep it the same
  22. not needed
  23. clean water
  24. turmeric powder
  25. around noon
  26. shadow length
  27. a clock to check
  28. True
  29. bigger
  30. we measure it
  31. the same spot
  32. clear plastic film
  33. True
  34. a mirror
  35. True
  36. not needed
  37. look straight at the Sun
  38. a book
  39. True
  40. False

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