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Periscope STEM Project Worksheet

Science experiments lesson 28: Mirror periscope · Set 596 · 40 questions
TalentJR

What you do (Bounce, bounce, see): 1. An adult cuts a window near the top on one side of the carton and near the bottom on the other. 2. Tape one mirror at 45° behind each window, the two mirrors facing each other. 3. Look into the bottom window and adjust the mirrors until the view is clear. 4. Peep over a table or wall — never point it at the Sun.

NameDateTime takenScore ___ / 40
  1. 1.True or false: dark soil reflects light poorly. (a) False (b) True
  2. 2.True or false: sticky tape is needed for the periscope. (a) True (b) False
  3. 3.🔭 What does a periscope let you do? (a) see over a wall (b) see in the dark (c) hear far sounds (d) see germs
  4. 4.🧺 Do we need a ruler for the periscope? (a) not needed (b) needed
  5. 5.🔭 How many mirrors does a simple periscope use?
  6. 6.🔍 Which is the odd one out? (a) still clear water (b) aluminium foil (c) dark soil (d) a shiny steel plate
  7. 7.True or false: vinegar is needed for the periscope. (a) True (b) False
  8. 8.🔭 Does a shiny steel plate reflect light well or poorly? (a) reflects light poorly (b) reflects light well
  9. 9.⚖️ Fair test — does the angle of the mirrors change how clearly you see? True or false: the angle of the mirrors is the one thing we change. (a) True (b) False
  10. 10.🔭 Does aluminium foil reflect light well or poorly? (a) reflects light poorly (b) reflects light well
  11. 11.🔭 Does black cloth reflect light well or poorly? (a) reflects light poorly (b) reflects light well
  12. 12.🧺 Which of these is not needed for the periscope? (a) an empty juice carton (b) a pencil (c) a balloon (d) sticky tape
  13. 13.🧺 Do we need vinegar for the periscope? (a) needed (b) not needed
  14. 14.🛟 Who should cut the holes in the juice carton? (a) the youngest child (b) a friend who is running (c) a grown-up (d) nobody needs to
  15. 15.🔍 Which is the odd one out? (a) a mirror (b) a shiny steel plate (c) black cloth (d) aluminium foil
  16. 16.True or false: two small mirrors is not needed for the periscope. (a) False (b) True
  17. 17.⚖️ Fair test — does the angle of the mirrors change how clearly you see? True or false: how clear the view is is the one thing we change. (a) True (b) False
  18. 18.⚖️ Fair test — does the angle of the mirrors change how clearly you see? True or false: the same light is the one thing we change. (a) True (b) False
  19. 19.⚖️ Fair test — does the angle of the mirrors change how clearly you see? True or false: the same mirrors is what we measure. (a) True (b) False
  20. 20.🧺 Three of these are needed for the periscope. Which one is NOT needed? (a) two small mirrors (b) a ruler (c) a pencil (d) a balloon
  21. 21.🔍 Which is the odd one out? (a) dark soil (b) a mirror (c) black cloth (d) a dull brick
  22. 22.🧺 Three of these are needed for the periscope. Which one is NOT needed? (a) an empty juice carton (b) vinegar (c) a pencil (d) a ruler
  23. 23.🔭 Which of these reflects light well? (a) a dull brick (b) dark soil (c) black cloth (d) a shiny steel plate
  24. 24.🧺 Which of these is not needed for the periscope? (a) an empty juice carton (b) a pencil (c) sticky tape (d) yeast
  25. 25.True or false: a ruler is not needed for the periscope. (a) False (b) True
  26. 26.🧺 Which of these is not needed for the periscope? (a) an empty juice carton (b) turmeric powder (c) a pencil (d) a ruler
  27. 27.🧺 Do we need a magnet for the periscope? (a) not needed (b) needed
  28. 28.🧺 Which of these is needed for the periscope? (a) a pencil (b) yeast (c) turmeric powder (d) vinegar
  29. 29.🔭 How many times does light bounce off a mirror in a simple periscope?
  30. 30.🔍 Which is the odd one out? (a) a rough wooden board (b) black cloth (c) aluminium foil (d) dark soil
  31. 31.🧺 Do we need two small mirrors for the periscope? (a) not needed (b) needed
  32. 32.🧺 Do we need a pencil for the periscope? (a) not needed (b) needed
  33. 33.True or false: a rough wooden board reflects light well. (a) True (b) False
  34. 34.🔭 Which of these reflects light well? (a) still clear water (b) a dull brick (c) black cloth (d) dark soil
  35. 35.🧺 Do we need an empty juice carton for the periscope? (a) needed (b) not needed
  36. 36.True or false: a dull brick reflects light poorly. (a) False (b) True
  37. 37.⚖️ Fair test — does the angle of the mirrors change how clearly you see? Which of these is the one thing we change? (a) the same light (b) the angle of the mirrors (c) how clear the view is (d) the same mirrors
  38. 38.🔭 Which of these reflects light poorly? (a) aluminium foil (b) a mirror (c) a dull brick (d) still clear water
  39. 39.🔭 Which of these reflects light poorly? (a) a mirror (b) aluminium foil (c) a shiny steel plate (d) black cloth
  40. 40.True or false: aluminium foil reflects light poorly. (a) True (b) False

Answer key

  1. True
  2. True
  3. see over a wall
  4. needed
  5. 2
  6. dark soil
  7. False
  8. reflects light well
  9. True
  10. reflects light well
  11. reflects light poorly
  12. a balloon
  13. not needed
  14. a grown-up
  15. black cloth
  16. False
  17. False
  18. False
  19. False
  20. a balloon
  21. a mirror
  22. vinegar
  23. a shiny steel plate
  24. yeast
  25. False
  26. turmeric powder
  27. not needed
  28. a pencil
  29. 2
  30. aluminium foil
  31. needed
  32. needed
  33. False
  34. still clear water
  35. needed
  36. True
  37. the angle of the mirrors
  38. a dull brick
  39. black cloth
  40. False

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