Periscope STEM Project Worksheet

Science experiments lesson 28: Mirror periscope · Set 565 · 40 questions

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.

1. 1.🔭 Does a shiny steel plate reflect light well or poorly? (a) reflects light well (b) reflects light poorly
2. 2.⚖️ Fair test — does the angle of the mirrors change how clearly you see? Which of these is the one thing we change? (a) the object we look at (b) how clear the view is (c) the angle of the mirrors (d) the same light
3. 3.🧺 Three of these are needed for the periscope. Which one is NOT needed? (a) a ruler (b) a battery cell (c) an empty juice carton (d) sticky tape
4. 4.⚖️ Fair test — does the angle of the mirrors change how clearly you see? What do we do with “how clear the view is”? (a) we change it (b) we measure it (c) we keep it the same
5. 5.🔭 How many times does light bounce off a mirror in a simple periscope?
6. 6.⚖️ Fair test — does the angle of the mirrors change how clearly you see? True or false: the same mirrors is kept the same. (a) False (b) True
7. 7.⚖️ Fair test — does the angle of the mirrors change how clearly you see? True or false: how clear the view is is kept the same. (a) True (b) False
8. 8.🧺 Do we need a magnet for the periscope? (a) not needed (b) needed
9. 9.🔭 Who uses a periscope to look above the water? (a) a baker (b) a farmer (c) a submarine crew (d) a pilot in a plane
10. 10.True or false: a balloon is needed for the periscope. (a) True (b) False
11. 11.🧺 Do we need an empty juice carton for the periscope? (a) not needed (b) needed
12. 12.🧺 Do we need yeast for the periscope? (a) needed (b) not needed
13. 13.⚖️ Fair test — does the angle of the mirrors change how clearly you see? What do we do with “the angle of the mirrors”? (a) we change it (b) we keep it the same (c) we measure it
14. 14.🧺 Which of these is needed for the periscope? (a) yeast (b) a magnet (c) sticky tape (d) a balloon
15. 15.True or false: a shiny steel plate reflects light well. (a) True (b) False
16. 16.🧺 Which of these is needed for the periscope? (a) yeast (b) a battery cell (c) a balloon (d) an empty juice carton
17. 17.🧺 Three of these are needed for the periscope. Which one is NOT needed? (a) a pencil (b) a ruler (c) two small mirrors (d) vinegar
18. 18.⚖️ Fair test — does the angle of the mirrors change how clearly you see? Which of these is what we measure? (a) the same light (b) the same carton (c) how clear the view is (d) the object we look at
19. 19.⚖️ Fair test — does the angle of the mirrors change how clearly you see? True or false: the object we look at is what we measure. (a) False (b) True
20. 20.🔭 Which of these reflects light poorly? (a) dark soil (b) a mirror (c) still clear water (d) aluminium foil
21. 21.⚖️ 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
22. 22.🧺 Do we need vinegar for the periscope? (a) needed (b) not needed
23. 23.🔮 Predict: you make the periscope tube twice as tall. You can see over ___. (a) taller walls (b) the ground (c) nothing at all (d) only short walls
24. 24.🔍 Which is the odd one out? (a) a rough wooden board (b) a mirror (c) black cloth (d) a dull brick
25. 25.⚖️ Fair test — does the angle of the mirrors change how clearly you see? True or false: the object we look at is kept the same. (a) False (b) True
26. 26.🔭 Does a rough wooden board reflect light well or poorly? (a) reflects light poorly (b) reflects light well
27. 27.🔭 Which of these reflects light poorly? (a) a dull brick (b) still clear water (c) a shiny steel plate (d) aluminium foil
28. 28.🛟 Who should cut the holes in the juice carton? (a) the youngest child (b) a friend who is running (c) nobody needs to (d) a grown-up
29. 29.🔭 How many mirrors does a simple periscope use?
30. 30.🛟 Which mirrors are safest for a children’s periscope? (a) big wall mirrors (b) loose glass panes (c) plastic safety mirrors (d) broken glass bits
31. 31.True or false: aluminium foil reflects light poorly. (a) True (b) False
32. 32.True or false: black cloth reflects light well. (a) True (b) False
33. 33.🔭 Does a mirror reflect light well or poorly? (a) reflects light poorly (b) reflects light well
34. 34.🧺 Which of these is not needed for the periscope? (a) vinegar (b) a ruler (c) an empty juice carton (d) two small mirrors
35. 35.🔮 Predict: you cover the top mirror with paper. What do you see? (a) a brighter view (b) a rainbow (c) two pictures (d) only darkness
36. 36.🔭 At what angle are the mirrors set in a simple periscope? (a) 180 degrees (b) 10 degrees (c) 45 degrees (d) 90 degrees
37. 37.📘 Light bouncing off a mirror is called ___. (a) magnetism (b) refraction (c) reflection (d) evaporation
38. 38.⚖️ Fair test — does the angle of the mirrors change how clearly you see? What do we do with “the same mirrors”? (a) we keep it the same (b) we change it (c) we measure it
39. 39.⚖️ Fair test — does the angle of the mirrors change how clearly you see? Which of these is kept the same? (a) the object we look at (b) the angle of the mirrors (c) how clear the view is
40. 40.🔭 Does aluminium foil reflect light well or poorly? (a) reflects light poorly (b) reflects light well

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