← Shadows and a sundial lesson New set →

Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 872 · 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 mirror (b) a battery cell (c) a sunny open place (d) turmeric powder
  2. 2.True or false: a mirror is not needed for the shadow clock. (a) False (b) True
  3. 3.🧺 Do we need a straight stick for the shadow clock? (a) not needed (b) needed
  4. 4.🌍 Why does the stick’s shadow move during the day? (a) the stick walks (b) Earth keeps spinning (c) the stick grows (d) the ground slides
  5. 5.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a balloon (c) a straight stick (d) chalk to mark shadows
  6. 6.📘 Why does a shadow form? (a) an object blocks light (b) light bends round it (c) the object is cold (d) the ground is dark
  7. 7.🧺 Which of these is needed for the shadow clock? (a) yeast (b) a battery cell (c) a balloon (d) chalk to mark shadows
  8. 8.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
  9. 9.⚖️ 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
  10. 10.🔍 Which is the odd one out? (a) clear plastic film (b) air (c) clean water (d) butter paper
  11. 11.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a magnet (c) a sunny open place (d) a straight stick
  12. 12.🔦 Is clear plastic film opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  13. 13.True or false: frosted glass is translucent. (a) True (b) False
  14. 14.🧺 Which of these is needed for the shadow clock? (a) a battery cell (b) a balloon (c) a magnet (d) a clock to check
  15. 15.True or false: air is transparent. (a) False (b) True
  16. 16.🔦 Which of these is opaque? (a) clear glass (b) a brick (c) clean water (d) air
  17. 17.🔦 Is a brick opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  18. 18.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) west (c) up (d) north
  19. 19.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) turmeric powder (b) a straight stick (c) a clock to check (d) a sunny open place
  20. 20.🔍 Which is the odd one out? (a) tissue paper (b) butter paper (c) clear glass (d) oily paper
  21. 21.True or false: a book is transparent. (a) True (b) False
  22. 22.🔦 Is air opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  23. 23.🔦 Is a book opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  24. 24.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
  25. 25.⚖️ 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
  26. 26.🛟 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
  27. 27.🔍 Which is the odd one out? (a) clear glass (b) clear plastic film (c) clean water (d) a brick
  28. 28.🌞 When is a stick’s shadow the shortest? (a) around noon (b) late evening (c) early morning (d) at night
  29. 29.🧺 Do we need yeast for the shadow clock? (a) not needed (b) needed
  30. 30.🛟 While watching shadows outdoors, what must you never do? (a) sit in the shade (b) mark with chalk (c) wear a cap (d) look straight at the Sun
  31. 31.🔍 Which is the odd one out? (a) air (b) clear plastic film (c) clear glass (d) your hand
  32. 32.True or false: a straight stick is not needed for the shadow clock. (a) True (b) False
  33. 33.⚖️ 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
  34. 34.⚖️ 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 change it (c) we measure it
  35. 35.🔦 Is butter paper opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  36. 36.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) bigger (c) coloured (d) brighter
  37. 37.True or false: a wooden board is opaque. (a) False (b) True
  38. 38.🔦 Which of these is opaque? (a) a book (b) air (c) frosted glass (d) oily paper
  39. 39.True or false: a battery cell is needed for the shadow clock. (a) True (b) False
  40. 40.⚖️ 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

Answer key

  1. a sunny open place
  2. True
  3. needed
  4. Earth keeps spinning
  5. a balloon
  6. an object blocks light
  7. chalk to mark shadows
  8. not needed
  9. False
  10. butter paper
  11. a magnet
  12. transparent
  13. True
  14. a clock to check
  15. True
  16. a brick
  17. opaque
  18. west
  19. turmeric powder
  20. clear glass
  21. False
  22. transparent
  23. opaque
  24. needed
  25. True
  26. a cap or hat
  27. a brick
  28. around noon
  29. not needed
  30. look straight at the Sun
  31. your hand
  32. False
  33. we measure it
  34. we keep it the same
  35. translucent
  36. bigger
  37. True
  38. a book
  39. False
  40. the time of day

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