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Shadow and Sundial Experiment Worksheet

Science experiments lesson 27: Shadows and a sundial · Set 732 · 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.🌞 When is a stick’s shadow the shortest? (a) at night (b) late evening (c) around noon (d) early morning
  2. 2.True or false: tissue paper is translucent. (a) True (b) False
  3. 3.True or false: turmeric powder is not needed for the shadow clock. (a) False (b) True
  4. 4.⚖️ 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
  5. 5.True or false: your hand is translucent. (a) True (b) False
  6. 6.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same spot”? (a) we keep it the same (b) we measure it (c) we change it
  7. 7.🔮 Predict: the Sun is low in the evening sky. The stick’s shadow is ___. (a) long (b) missing (c) short (d) round
  8. 8.🔦 Is a wooden board opaque, translucent or transparent? (a) transparent (b) opaque (c) translucent
  9. 9.🔍 Which is the odd one out? (a) a steel plate (b) a wooden board (c) air (d) your hand
  10. 10.True or false: a straight stick is not needed for the shadow clock. (a) True (b) False
  11. 11.True or false: a magnet is needed for the shadow clock. (a) True (b) False
  12. 12.🔦 Is oily paper opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  13. 13.🔦 Which of these is transparent? (a) oily paper (b) clear plastic film (c) a wooden board (d) a brick
  14. 14.🌅 In the morning the Sun is in the east. Which way does a shadow point? (a) west (b) up (c) east (d) north
  15. 15.🔦 Which of these is translucent? (a) a book (b) air (c) butter paper (d) a brick
  16. 16.🛟 What should you wear for a long time in the hot sun? (a) a woollen sweater (b) a cap or hat (c) nothing on your head (d) a raincoat
  17. 17.⚖️ Fair test — how does the shadow of a stick change through the day? True or false: the same spot is what we measure. (a) True (b) False
  18. 18.🔦 Is tissue paper opaque, translucent or transparent? (a) opaque (b) translucent (c) transparent
  19. 19.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “the same stick”? (a) we change it (b) we keep it the same (c) we measure it
  20. 20.🔍 Which is the odd one out? (a) air (b) clear glass (c) clear plastic film (d) a steel plate
  21. 21.🧺 Three of these are needed for the shadow clock. Which one is NOT needed? (a) chalk to mark shadows (b) a mirror (c) a straight stick (d) a sunny open place
  22. 22.🔍 Which is the odd one out? (a) tissue paper (b) oily paper (c) a wooden board (d) butter paper
  23. 23.🔮 Predict: you move a torch closer to your hand. The shadow on the wall gets ___. (a) smaller (b) bigger (c) brighter (d) coloured
  24. 24.🧺 Do we need a sunny open place for the shadow clock? (a) not needed (b) needed
  25. 25.🔦 Which of these is opaque? (a) tissue paper (b) frosted glass (c) clear plastic film (d) a book
  26. 26.⚖️ 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) shadow length (c) the same stick
  27. 27.True or false: a sunny open place is needed for the shadow clock. (a) True (b) False
  28. 28.🧺 Do we need yeast for the shadow clock? (a) needed (b) not needed
  29. 29.🧺 Which of these is not needed for the shadow clock? (a) a clock to check (b) chalk to mark shadows (c) a straight stick (d) a magnet
  30. 30.🔍 Which is the odd one out? (a) butter paper (b) clear glass (c) air (d) clean water
  31. 31.🔦 Is butter paper opaque, translucent or transparent? (a) translucent (b) opaque (c) transparent
  32. 32.True or false: butter paper is opaque. (a) True (b) False
  33. 33.⚖️ Fair test — how does the shadow of a stick change through the day? Which of these is what we measure? (a) the time of day (b) the same stick (c) shadow length (d) the stick kept upright
  34. 34.⚖️ Fair test — how does the shadow of a stick change through the day? What do we do with “shadow length”? (a) we keep it the same (b) we change it (c) we measure it
  35. 35.🔍 Which is the odd one out? (a) your hand (b) a brick (c) a wooden board (d) tissue paper
  36. 36.⚖️ 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) True (b) False
  37. 37.⚖️ 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) True (b) False
  38. 38.🔦 Which of these is translucent? (a) your hand (b) clean water (c) frosted glass (d) air
  39. 39.🔍 Which is the odd one out? (a) clear plastic film (b) a brick (c) air (d) clean water
  40. 40.🧺 Do we need a straight stick for the shadow clock? (a) needed (b) not needed

Answer key

  1. around noon
  2. True
  3. True
  4. we keep it the same
  5. False
  6. we keep it the same
  7. long
  8. opaque
  9. air
  10. False
  11. False
  12. translucent
  13. clear plastic film
  14. west
  15. butter paper
  16. a cap or hat
  17. False
  18. translucent
  19. we keep it the same
  20. a steel plate
  21. a mirror
  22. a wooden board
  23. bigger
  24. needed
  25. a book
  26. the same stick
  27. True
  28. not needed
  29. a magnet
  30. butter paper
  31. translucent
  32. False
  33. shadow length
  34. we measure it
  35. tissue paper
  36. False
  37. True
  38. frosted glass
  39. a brick
  40. needed

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