← Shadows and a sundial lesson New set →

Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 385 · 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.🔮 Predict: on a fully cloudy day, the sundial ___. (a) does not work well (b) runs faster (c) shows two times (d) works better
  2. 2.🧺 Which of these is needed for the shadow clock? (a) turmeric powder (b) a battery cell (c) yeast (d) a sunny open place
  3. 3.True or false: clear plastic film is translucent. (a) False (b) True
  4. 4.True or false: a wooden board is opaque. (a) True (b) False
  5. 5.⚖️ 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) False (b) True
  6. 6.⚖️ 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 same spot (d) the time of day
  7. 7.⚖️ 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
  8. 8.🧺 Which of these is not needed for the shadow clock? (a) a balloon (b) a straight stick (c) a sunny open place (d) chalk to mark shadows
  9. 9.🔍 Which is the odd one out? (a) frosted glass (b) tissue paper (c) clean water (d) butter paper
  10. 10.🔦 Which of these is opaque? (a) a wooden board (b) clear glass (c) tissue paper (d) frosted glass
  11. 11.🛟 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
  12. 12.🧺 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 mirror (d) a clock to check
  13. 13.🔍 Which is the odd one out? (a) a steel plate (b) a wooden board (c) butter paper (d) a brick
  14. 14.🔦 Is frosted glass opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  15. 15.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) long (b) short (c) round (d) missing
  16. 16.True or false: your hand is opaque. (a) True (b) False
  17. 17.📘 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
  18. 18.🔦 Which of these is transparent? (a) a wooden board (b) frosted glass (c) butter paper (d) clean water
  19. 19.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed
  20. 20.🔦 Which of these is transparent? (a) a wooden board (b) oily paper (c) clear glass (d) your hand
  21. 21.🔦 Is a book opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  22. 22.🔦 Is your hand opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  23. 23.⚖️ 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 keep it the same (c) we change it
  24. 24.🔦 Is air opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  25. 25.⚖️ 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) the same stick (c) shadow length
  26. 26.🔍 Which is the odd one out? (a) a steel plate (b) a brick (c) oily paper (d) a wooden board
  27. 27.🔦 Is clear glass opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  28. 28.🔍 Which is the odd one out? (a) tissue paper (b) a wooden board (c) butter paper (d) frosted glass
  29. 29.True or false: air is opaque. (a) True (b) False
  30. 30.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a clock to check (b) chalk to mark shadows (c) a straight stick (d) yeast
  31. 31.True or false: a mirror is not needed for the shadow clock. (a) False (b) True
  32. 32.🔦 Is a brick opaque, translucent or transparent? (a) transparent (b) translucent (c) opaque
  33. 33.True or false: a magnet is not needed for the shadow clock. (a) True (b) False
  34. 34.⚖️ 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) False (b) True
  35. 35.🧺 Which of these is needed for the shadow clock? (a) a magnet (b) a mirror (c) turmeric powder (d) a clock to check
  36. 36.True or false: butter paper is translucent. (a) False (b) True
  37. 37.True or false: a wooden board is transparent. (a) True (b) False
  38. 38.🌍 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
  39. 39.⚖️ 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
  40. 40.🔍 Which is the odd one out? (a) air (b) tissue paper (c) clear plastic film (d) clear glass

Answer key

  1. does not work well
  2. a sunny open place
  3. False
  4. True
  5. False
  6. the time of day
  7. we measure it
  8. a balloon
  9. clean water
  10. a wooden board
  11. a cap or hat
  12. a mirror
  13. butter paper
  14. translucent
  15. long
  16. True
  17. an object blocks light
  18. clean water
  19. needed
  20. clear glass
  21. opaque
  22. opaque
  23. we change it
  24. transparent
  25. the same stick
  26. oily paper
  27. transparent
  28. a wooden board
  29. False
  30. yeast
  31. True
  32. opaque
  33. True
  34. False
  35. a clock to check
  36. True
  37. False
  38. Earth keeps spinning
  39. True
  40. tissue paper

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