← Shadows and a sundial lesson New set →

Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 420 · 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.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we measure it (b) we change it (c) we keep it the same
  2. 2.True or false: a balloon is needed for the shadow clock. (a) True (b) False
  3. 3.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a straight stick (b) yeast (c) a sunny open place (d) chalk to mark shadows
  4. 4.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) a sunny open place (b) a clock to check (c) a straight stick (d) a mirror
  5. 5.🔍 Which is the odd one out? (a) clear glass (b) clean water (c) a wooden board (d) clear plastic film
  6. 6.📘 Why does a shadow form? (a) the object is cold (b) light bends round it (c) the ground is dark (d) an object blocks light
  7. 7.🔦 Is tissue paper opaque, translucent or transparent? (a) translucent (b) transparent (c) opaque
  8. 8.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) short (b) missing (c) round (d) long
  9. 9.🛟 While watching shadows outdoors, what must you never do? (a) mark with chalk (b) wear a cap (c) look straight at the Sun (d) sit in the shade
  10. 10.🌍 Why does the stick’s shadow move during the day? (a) the ground slides (b) the stick walks (c) the stick grows (d) Earth keeps spinning
  11. 11.🔦 Which of these is translucent? (a) tissue paper (b) a steel plate (c) your hand (d) a brick
  12. 12.🧺 Which of these is not needed for the shadow clock? (a) chalk to mark shadows (b) a clock to check (c) a sunny open place (d) a mirror
  13. 13.True or false: air is translucent. (a) True (b) False
  14. 14.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) yeast (c) chalk to mark shadows (d) a straight stick
  15. 15.⚖️ 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) False (b) True
  16. 16.🔦 Is butter paper opaque, translucent or transparent? (a) opaque (b) transparent (c) translucent
  17. 17.🔍 Which is the odd one out? (a) your hand (b) oily paper (c) frosted glass (d) tissue paper
  18. 18.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is kept the same. (a) False (b) True
  19. 19.🧺 Do we need chalk to mark shadows for the shadow clock? (a) needed (b) not needed
  20. 20.True or false: a wooden board is opaque. (a) True (b) False
  21. 21.🔦 Which of these is opaque? (a) a steel plate (b) air (c) oily paper (d) clear glass
  22. 22.True or false: frosted glass is translucent. (a) False (b) True
  23. 23.True or false: frosted glass is transparent. (a) True (b) False
  24. 24.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
  25. 25.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) west (b) east (c) up (d) north
  26. 26.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the time of day is the one thing we change. (a) False (b) True
  27. 27.🧺 Which of these is needed for the shadow clock? (a) a balloon (b) chalk to mark shadows (c) a battery cell (d) a mirror
  28. 28.True or false: a sunny open place is not needed for the shadow clock. (a) True (b) False
  29. 29.True or false: yeast is needed for the shadow clock. (a) False (b) True
  30. 30.🔍 Which is the odd one out? (a) butter paper (b) a wooden board (c) a steel plate (d) your hand
  31. 31.🔍 Which is the odd one out? (a) clear glass (b) frosted glass (c) tissue paper (d) butter paper
  32. 32.True or false: a mirror is not needed for the shadow clock. (a) True (b) False
  33. 33.True or false: a wooden board is translucent. (a) True (b) False
  34. 34.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) bigger (b) smaller (c) brighter (d) coloured
  35. 35.🔦 Which of these is transparent? (a) clear plastic film (b) a wooden board (c) a steel plate (d) a book
  36. 36.🧺 Do we need a mirror for the shadow clock? (a) not needed (b) needed
  37. 37.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the stick kept upright”? (a) we measure it (b) we change it (c) we keep it the same
  38. 38.🧺 Which of these is not needed for the shadow clock? (a) a balloon (b) a straight stick (c) a clock to check (d) a sunny open place
  39. 39.True or false: a battery cell is needed for the shadow clock. (a) True (b) False
  40. 40.🔦 Is a book opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent

Answer key

  1. we measure it
  2. False
  3. yeast
  4. a mirror
  5. a wooden board
  6. an object blocks light
  7. translucent
  8. long
  9. look straight at the Sun
  10. Earth keeps spinning
  11. tissue paper
  12. a mirror
  13. False
  14. yeast
  15. True
  16. translucent
  17. your hand
  18. True
  19. needed
  20. True
  21. a steel plate
  22. True
  23. False
  24. needed
  25. west
  26. True
  27. chalk to mark shadows
  28. False
  29. False
  30. butter paper
  31. clear glass
  32. True
  33. False
  34. bigger
  35. clear plastic film
  36. not needed
  37. we keep it the same
  38. a balloon
  39. False
  40. opaque

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