← Mirror periscope lesson New set →

Periscope STEM Project Worksheet

Science experiments lesson 28: Mirror periscope · Set 128 · 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.⚖️ 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
  2. 2.⚖️ Fair test — does the angle of the mirrors change how clearly you see? What do we do with “the same light”? (a) we change it (b) we measure it (c) we keep it the same
  3. 3.🧺 Do we need vinegar for the periscope? (a) needed (b) not needed
  4. 4.🧺 Three of these are needed for the periscope. Which one is NOT needed? (a) a ruler (b) two small mirrors (c) a magnet (d) sticky tape
  5. 5.True or false: aluminium foil reflects light well. (a) True (b) False
  6. 6.⚖️ Fair test — does the angle of the mirrors change how clearly you see? What do we do with “the same mirrors”? (a) we measure it (b) we change it (c) we keep it the same
  7. 7.True or false: aluminium foil reflects light poorly. (a) True (b) False
  8. 8.🔭 Who uses a periscope to look above the water? (a) a pilot in a plane (b) a baker (c) a submarine crew (d) a farmer
  9. 9.True or false: still clear water reflects light poorly. (a) True (b) False
  10. 10.🧺 Three of these are needed for the periscope. Which one is NOT needed? (a) two small mirrors (b) turmeric powder (c) sticky tape (d) an empty juice carton
  11. 11.🔭 Which of these reflects light well? (a) a dull brick (b) a rough wooden board (c) dark soil (d) still clear water
  12. 12.True or false: vinegar is needed for the periscope. (a) True (b) False
  13. 13.True or false: two small mirrors is not needed for the periscope. (a) False (b) True
  14. 14.🧺 Which of these is needed for the periscope? (a) a balloon (b) a battery cell (c) an empty juice carton (d) yeast
  15. 15.⚖️ 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) False (b) True
  16. 16.🛟 You must never point a periscope or a mirror at ___. (a) the Sun (b) a tree (c) a wall (d) a friend’s toy
  17. 17.🔭 How many times does light bounce off a mirror in a simple periscope?
  18. 18.🧺 Three of these are needed for the periscope. Which one is NOT needed? (a) a pencil (b) a ruler (c) a battery cell (d) two small mirrors
  19. 19.🧺 Do we need a pencil for the periscope? (a) needed (b) not needed
  20. 20.🔭 Does a dull brick reflect light well or poorly? (a) reflects light poorly (b) reflects light well
  21. 21.🔭 Does still clear water reflect light well or poorly? (a) reflects light well (b) reflects light poorly
  22. 22.🧺 Do we need yeast for the periscope? (a) needed (b) not needed
  23. 23.🧺 Do we need a ruler for the periscope? (a) needed (b) not needed
  24. 24.True or false: two small mirrors is needed for the periscope. (a) True (b) False
  25. 25.True or false: a shiny steel plate reflects light well. (a) True (b) False
  26. 26.⚖️ 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
  27. 27.🔭 How many mirrors does a simple periscope use?
  28. 28.🔭 Does black cloth reflect light well or poorly? (a) reflects light poorly (b) reflects light well
  29. 29.🧺 Three of these are needed for the periscope. Which one is NOT needed? (a) a ruler (b) sticky tape (c) yeast (d) a pencil
  30. 30.🔮 Predict: you make the periscope tube twice as tall. You can see over ___. (a) only short walls (b) taller walls (c) the ground (d) nothing at all
  31. 31.🧺 Which of these is needed for the periscope? (a) vinegar (b) a battery cell (c) sticky tape (d) turmeric powder
  32. 32.🧺 Do we need turmeric powder for the periscope? (a) not needed (b) needed
  33. 33.⚖️ Fair test — does the angle of the mirrors change how clearly you see? Which of these is kept the same? (a) the same carton (b) how clear the view is (c) the angle of the mirrors
  34. 34.🧺 Do we need sticky tape for the periscope? (a) not needed (b) needed
  35. 35.🧺 Do we need an empty juice carton for the periscope? (a) needed (b) not needed
  36. 36.🔭 Which of these reflects light well? (a) a rough wooden board (b) black cloth (c) dark soil (d) a shiny steel plate
  37. 37.🛟 Who should cut the holes in the juice carton? (a) nobody needs to (b) a friend who is running (c) the youngest child (d) a grown-up
  38. 38.🧺 Which of these is not needed for the periscope? (a) vinegar (b) two small mirrors (c) an empty juice carton (d) a ruler
  39. 39.True or false: a pencil is not needed for the periscope. (a) False (b) True
  40. 40.🧺 Which of these is needed for the periscope? (a) two small mirrors (b) a magnet (c) turmeric powder (d) a balloon

Answer key

  1. True
  2. we keep it the same
  3. not needed
  4. a magnet
  5. True
  6. we keep it the same
  7. False
  8. a submarine crew
  9. False
  10. turmeric powder
  11. still clear water
  12. False
  13. False
  14. an empty juice carton
  15. True
  16. the Sun
  17. 2
  18. a battery cell
  19. needed
  20. reflects light poorly
  21. reflects light well
  22. not needed
  23. needed
  24. True
  25. True
  26. False
  27. 2
  28. reflects light poorly
  29. yeast
  30. taller walls
  31. sticky tape
  32. not needed
  33. the same carton
  34. needed
  35. needed
  36. a shiny steel plate
  37. a grown-up
  38. vinegar
  39. False
  40. two small mirrors

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