← Shadows and a sundial lesson New set →

Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 898 · 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 is the odd one out? (a) clear plastic film (b) clean water (c) clear glass (d) a book
  2. 2.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
  3. 3.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is what we measure. (a) False (b) True
  4. 4.🔦 Is clean water opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  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 measure it (b) we change it (c) we keep it the same
  6. 6.🔦 Which of these is transparent? (a) tissue paper (b) a wooden board (c) your hand (d) clear plastic film
  7. 7.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) missing (b) short (c) long (d) round
  8. 8.True or false: a straight stick is needed for the shadow clock. (a) False (b) True
  9. 9.True or false: a magnet is not needed for the shadow clock. (a) False (b) True
  10. 10.🔦 Which of these is translucent? (a) your hand (b) oily paper (c) a brick (d) a book
  11. 11.⚖️ 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) shadow length (c) the time of day (d) the same stick
  12. 12.🔍 Which is the odd one out? (a) a wooden board (b) frosted glass (c) oily paper (d) butter paper
  13. 13.🔍 Which is the odd one out? (a) a book (b) a wooden board (c) your hand (d) clear glass
  14. 14.🕰️ What is a sundial used for? (a) weighing things (b) measuring rain (c) telling the time (d) making rainbows
  15. 15.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) True (b) False
  16. 16.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the stick kept upright is kept the same. (a) True (b) False
  17. 17.True or false: a wooden board is translucent. (a) True (b) False
  18. 18.🔦 Is butter paper opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  19. 19.🔍 Which is the odd one out? (a) a book (b) a wooden board (c) tissue paper (d) your hand
  20. 20.🔦 Is clear plastic film opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  21. 21.📘 Why does a shadow form? (a) the ground is dark (b) light bends round it (c) an object blocks light (d) the object is cold
  22. 22.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) a straight stick (c) chalk to mark shadows (d) a magnet
  23. 23.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
  24. 24.🔍 Which is the odd one out? (a) clean water (b) clear glass (c) air (d) butter paper
  25. 25.🧺 Do we need a battery cell for the shadow clock? (a) not needed (b) needed
  26. 26.🛟 While watching shadows outdoors, what must you never do? (a) wear a cap (b) sit in the shade (c) look straight at the Sun (d) mark with chalk
  27. 27.True or false: tissue paper is opaque. (a) False (b) True
  28. 28.🌞 When is a stick’s shadow the shortest? (a) around noon (b) early morning (c) late evening (d) at night
  29. 29.🔮 Predict: on a fully cloudy day, the sundial ___. (a) does not work well (b) shows two times (c) works better (d) runs faster
  30. 30.🧺 Do we need a clock to check for the shadow clock? (a) not needed (b) needed
  31. 31.🛟 What should you wear for a long time in the hot sun? (a) nothing on your head (b) a woollen sweater (c) a cap or hat (d) a raincoat
  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 stick kept upright (c) the same spot (d) the time of day
  33. 33.🧺 Which of these is not needed for the shadow clock? (a) a sunny open place (b) yeast (c) a straight stick (d) chalk to mark shadows
  34. 34.🧺 Do we need turmeric powder for the shadow clock? (a) not needed (b) needed
  35. 35.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) east (b) up (c) west (d) north
  36. 36.⚖️ 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
  37. 37.🔦 Is a wooden board opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  38. 38.🧺 Which of these is needed for the shadow clock? (a) a mirror (b) chalk to mark shadows (c) a balloon (d) a magnet
  39. 39.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: shadow length is kept the same. (a) True (b) False
  40. 40.True or false: air is opaque. (a) True (b) False

Answer key

  1. a book
  2. not needed
  3. False
  4. transparent
  5. we change it
  6. clear plastic film
  7. long
  8. True
  9. True
  10. oily paper
  11. the time of day
  12. a wooden board
  13. clear glass
  14. telling the time
  15. True
  16. True
  17. False
  18. translucent
  19. tissue paper
  20. transparent
  21. an object blocks light
  22. a magnet
  23. needed
  24. butter paper
  25. not needed
  26. look straight at the Sun
  27. False
  28. around noon
  29. does not work well
  30. needed
  31. a cap or hat
  32. shadow length
  33. yeast
  34. not needed
  35. west
  36. the same stick
  37. opaque
  38. chalk to mark shadows
  39. False
  40. False

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