Periscope STEM Project Worksheet

Science experiments lesson 28: Mirror periscope · Set 778 · 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 black cloth reflect light well or poorly? (a) reflects light poorly (b) reflects light well
2. 2.🔭 Does a shiny steel plate reflect light well or poorly? (a) reflects light poorly (b) reflects light well
3. 3.🧺 Do we need an empty juice carton for the periscope? (a) needed (b) not needed
4. 4.🛟 You must never point a periscope or a mirror at ___. (a) a wall (b) the Sun (c) a friend’s toy (d) a tree
5. 5.True or false: aluminium foil reflects light poorly. (a) True (b) False
6. 6.⚖️ 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) True (b) False
7. 7.True or false: two small mirrors is not needed for the periscope. (a) False (b) True
8. 8.🧺 Three of these are needed for the periscope. Which one is NOT needed? (a) an empty juice carton (b) a ruler (c) vinegar (d) a pencil
9. 9.🔮 Predict: you cover the top mirror with paper. What do you see? (a) a brighter view (b) only darkness (c) a rainbow (d) two pictures
10. 10.🔮 Predict: you make the periscope tube twice as tall. You can see over ___. (a) taller walls (b) nothing at all (c) only short walls (d) the ground
11. 11.📘 Light bouncing off a mirror is called ___. (a) evaporation (b) magnetism (c) reflection (d) refraction
12. 12.🧺 Which of these is needed for the periscope? (a) yeast (b) turmeric powder (c) a balloon (d) two small mirrors
13. 13.⚖️ 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) how clear the view is (c) the angle of the mirrors (d) the same mirrors
14. 14.True or false: a magnet is needed for the periscope. (a) False (b) True
15. 15.True or false: dark soil reflects light well. (a) False (b) True
16. 16.🧺 Which of these is not needed for the periscope? (a) two small mirrors (b) sticky tape (c) a pencil (d) vinegar
17. 17.⚖️ Fair test — does the angle of the mirrors change how clearly you see? What do we do with “the same light”? (a) we measure it (b) we change it (c) we keep it the same
18. 18.🔭 Which of these reflects light poorly? (a) a dull brick (b) a mirror (c) still clear water (d) aluminium foil
19. 19.🧺 Do we need yeast for the periscope? (a) not needed (b) needed
20. 20.⚖️ Fair test — does the angle of the mirrors change how clearly you see? What do we do with “the object we look at”? (a) we keep it the same (b) we measure it (c) we change it
21. 21.🔭 Does aluminium foil reflect light well or poorly? (a) reflects light well (b) reflects light poorly
22. 22.🔍 Which is the odd one out? (a) a shiny steel plate (b) black cloth (c) aluminium foil (d) still clear water
23. 23.True or false: sticky tape is needed for the periscope. (a) True (b) False
24. 24.🔭 How many times does light bounce off a mirror in a simple periscope?
25. 25.⚖️ 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 measure it (b) we change it (c) we keep it the same
26. 26.🧺 Do we need vinegar for the periscope? (a) needed (b) not needed
27. 27.🧺 Which of these is needed for the periscope? (a) a battery cell (b) a pencil (c) yeast (d) a magnet
28. 28.🔍 Which is the odd one out? (a) dark soil (b) a dull brick (c) black cloth (d) still clear water
29. 29.🧺 Which of these is not needed for the periscope? (a) sticky tape (b) a ruler (c) yeast (d) an empty juice carton
30. 30.🔭 Who uses a periscope to look above the water? (a) a farmer (b) a submarine crew (c) a pilot in a plane (d) a baker
31. 31.🔭 How many mirrors does a simple periscope use?
32. 32.⚖️ 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
33. 33.🧺 Three of these are needed for the periscope. Which one is NOT needed? (a) a pencil (b) a balloon (c) sticky tape (d) an empty juice carton
34. 34.🔍 Which is the odd one out? (a) a rough wooden board (b) a mirror (c) a shiny steel plate (d) aluminium foil
35. 35.🔭 Does still clear water reflect light well or poorly? (a) reflects light well (b) reflects light poorly
36. 36.🧺 Do we need a balloon for the periscope? (a) needed (b) not needed
37. 37.🧺 Three of these are needed for the periscope. Which one is NOT needed? (a) a ruler (b) sticky tape (c) turmeric powder (d) two small mirrors
38. 38.⚖️ 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) True (b) False
39. 39.🔭 Does a dull brick reflect light well or poorly? (a) reflects light well (b) reflects light poorly
40. 40.🧺 Do we need sticky tape for the periscope? (a) not needed (b) needed

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