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Periscope STEM Project Worksheet

Science experiments lesson 28: Mirror periscope · Set 332 · 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.🔮 Predict: you cover the top mirror with paper. What do you see? (a) two pictures (b) a rainbow (c) a brighter view (d) only darkness
  2. 2.🔭 Who uses a periscope to look above the water? (a) a farmer (b) a baker (c) a submarine crew (d) a pilot in a plane
  3. 3.🧺 Three of these are needed for the periscope. Which one is NOT needed? (a) an empty juice carton (b) sticky tape (c) a pencil (d) vinegar
  4. 4.⚖️ 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
  5. 5.True or false: dark soil reflects light poorly. (a) False (b) True
  6. 6.True or false: two small mirrors is not needed for the periscope. (a) True (b) False
  7. 7.🧺 Which of these is not needed for the periscope? (a) a pencil (b) an empty juice carton (c) turmeric powder (d) sticky tape
  8. 8.🔭 Which of these reflects light well? (a) aluminium foil (b) a rough wooden board (c) black cloth (d) dark soil
  9. 9.🧺 Do we need a magnet for the periscope? (a) needed (b) not needed
  10. 10.🔍 Which is the odd one out? (a) dark soil (b) black cloth (c) a dull brick (d) still clear water
  11. 11.True or false: a battery cell is not needed for the periscope. (a) False (b) True
  12. 12.⚖️ Fair test — does the angle of the mirrors change how clearly you see? True or false: the same mirrors is kept the same. (a) True (b) False
  13. 13.🔍 Which is the odd one out? (a) a rough wooden board (b) a dull brick (c) black cloth (d) a shiny steel plate
  14. 14.🔭 Does a mirror reflect light well or poorly? (a) reflects light well (b) reflects light poorly
  15. 15.🔍 Which is the odd one out? (a) still clear water (b) a shiny steel plate (c) black cloth (d) a mirror
  16. 16.🔭 Which of these reflects light well? (a) a dull brick (b) dark soil (c) a shiny steel plate (d) black cloth
  17. 17.⚖️ Fair test — does the angle of the mirrors change how clearly you see? Which of these is what we measure? (a) the same carton (b) how clear the view is (c) the angle of the mirrors (d) the object we look at
  18. 18.🧺 Do we need a pencil for the periscope? (a) not needed (b) needed
  19. 19.⚖️ Fair test — does the angle of the mirrors change how clearly you see? True or false: how clear the view is is what we measure. (a) False (b) True
  20. 20.🧺 Do we need two small mirrors for the periscope? (a) not needed (b) needed
  21. 21.True or false: a pencil is needed for the periscope. (a) False (b) True
  22. 22.🧺 Three of these are needed for the periscope. Which one is NOT needed? (a) yeast (b) two small mirrors (c) sticky tape (d) a pencil
  23. 23.⚖️ 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
  24. 24.🔭 How many mirrors does a simple periscope use?
  25. 25.🧺 Which of these is needed for the periscope? (a) a battery cell (b) a magnet (c) two small mirrors (d) turmeric powder
  26. 26.🛟 Who should cut the holes in the juice carton? (a) a friend who is running (b) a grown-up (c) nobody needs to (d) the youngest child
  27. 27.⚖️ Fair test — does the angle of the mirrors change how clearly you see? True or false: the same light is kept the same. (a) True (b) False
  28. 28.🧺 Which of these is not needed for the periscope? (a) two small mirrors (b) sticky tape (c) a balloon (d) a pencil
  29. 29.🔭 Does a rough wooden board reflect light well or poorly? (a) reflects light well (b) reflects light poorly
  30. 30.True or false: turmeric powder is not needed for the periscope. (a) True (b) False
  31. 31.🔭 Does still clear water reflect light well or poorly? (a) reflects light well (b) reflects light poorly
  32. 32.🔭 How many times does light bounce off a mirror in a simple periscope?
  33. 33.True or false: dark soil reflects light well. (a) True (b) False
  34. 34.🔍 Which is the odd one out? (a) dark soil (b) still clear water (c) a mirror (d) a shiny steel plate
  35. 35.True or false: a pencil is not needed for the periscope. (a) True (b) False
  36. 36.🔭 Which of these reflects light well? (a) black cloth (b) a dull brick (c) still clear water (d) a rough wooden board
  37. 37.🔍 Which is the odd one out? (a) still clear water (b) a shiny steel plate (c) a dull brick (d) a mirror
  38. 38.🧺 Which of these is not needed for the periscope? (a) sticky tape (b) vinegar (c) two small mirrors (d) a pencil
  39. 39.🧺 Do we need yeast for the periscope? (a) not needed (b) needed
  40. 40.🧺 Do we need a ruler for the periscope? (a) not needed (b) needed

Answer key

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

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