← Shadows and a sundial lesson New set →

Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 635 · 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 not needed for the shadow clock? (a) a straight stick (b) a sunny open place (c) chalk to mark shadows (d) a balloon
  2. 2.True or false: turmeric powder is not needed for the shadow clock. (a) True (b) False
  3. 3.True or false: air is transparent. (a) False (b) True
  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.⚖️ 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
  6. 6.🛟 While watching shadows outdoors, what must you never do? (a) look straight at the Sun (b) sit in the shade (c) mark with chalk (d) wear a cap
  7. 7.🔦 Is clear glass opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  8. 8.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) bigger (c) coloured (d) brighter
  9. 9.🧺 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 straight stick (d) turmeric powder
  10. 10.🧺 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
  11. 11.⚖️ 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
  12. 12.🧺 Do we need chalk to mark shadows for the shadow clock? (a) not needed (b) needed
  13. 13.🔦 Is frosted glass opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  14. 14.⚖️ 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 same stick (c) shadow length (d) the time of day
  15. 15.⚖️ 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
  16. 16.🔍 Which is the odd one out? (a) clear glass (b) air (c) a brick (d) clean water
  17. 17.🔦 Is clean water opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  18. 18.🔍 Which is the odd one out? (a) clear plastic film (b) a book (c) air (d) clean water
  19. 19.🔦 Is tissue paper opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  20. 20.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same stick is kept the same. (a) False (b) True
  21. 21.🔍 Which is the odd one out? (a) a wooden board (b) tissue paper (c) a steel plate (d) your hand
  22. 22.⚖️ 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
  23. 23.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a sunny open place (c) a battery cell (d) a mirror
  24. 24.📘 Why does a shadow form? (a) the object is cold (b) the ground is dark (c) an object blocks light (d) light bends round it
  25. 25.🔍 Which is the odd one out? (a) oily paper (b) a steel plate (c) frosted glass (d) tissue paper
  26. 26.🧺 Do we need a magnet for the shadow clock? (a) not needed (b) needed
  27. 27.🔍 Which is the odd one out? (a) a wooden board (b) a book (c) frosted glass (d) a brick
  28. 28.🔍 Which is the odd one out? (a) a steel plate (b) your hand (c) a brick (d) oily paper
  29. 29.True or false: your hand is transparent. (a) True (b) False
  30. 30.True or false: a wooden board is translucent. (a) True (b) False
  31. 31.True or false: tissue paper is translucent. (a) False (b) True
  32. 32.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) shadow length (b) the same stick (c) the same spot (d) the time of day
  33. 33.True or false: a wooden board is opaque. (a) False (b) True
  34. 34.🔦 Which of these is opaque? (a) a steel plate (b) air (c) butter paper (d) clear glass
  35. 35.🛟 What should you wear for a long time in the hot sun? (a) a cap or hat (b) nothing on your head (c) a woollen sweater (d) a raincoat
  36. 36.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is kept the same. (a) True (b) False
  37. 37.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) a straight stick (c) chalk to mark shadows (d) yeast
  38. 38.True or false: a sunny open place is needed for the shadow clock. (a) False (b) True
  39. 39.🔮 Predict: on a fully cloudy day, the sundial ___. (a) does not work well (b) shows two times (c) works better (d) runs faster
  40. 40.🔦 Which of these is translucent? (a) clean water (b) oily paper (c) clear glass (d) a brick

Answer key

  1. a balloon
  2. True
  3. True
  4. long
  5. we change it
  6. look straight at the Sun
  7. transparent
  8. bigger
  9. turmeric powder
  10. a magnet
  11. False
  12. needed
  13. translucent
  14. the time of day
  15. False
  16. a brick
  17. transparent
  18. a book
  19. translucent
  20. True
  21. tissue paper
  22. we keep it the same
  23. a sunny open place
  24. an object blocks light
  25. a steel plate
  26. not needed
  27. frosted glass
  28. oily paper
  29. False
  30. False
  31. True
  32. shadow length
  33. True
  34. a steel plate
  35. a cap or hat
  36. False
  37. yeast
  38. True
  39. does not work well
  40. oily paper

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