Periscope STEM Project Worksheet

Science experiments lesson 28: Mirror periscope · Set 236 · 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.🔭 How many mirrors does a simple periscope use?
2. 2.⚖️ 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
3. 3.🛟 You must never point a periscope or a mirror at ___. (a) a friend’s toy (b) a tree (c) the Sun (d) a wall
4. 4.⚖️ Fair test — does the angle of the mirrors change how clearly you see? Which of these is kept the same? (a) the angle of the mirrors (b) the same mirrors (c) how clear the view is
5. 5.🧺 Do we need a pencil for the periscope? (a) needed (b) not needed
6. 6.⚖️ 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 keep it the same (b) we change it (c) we measure it
7. 7.⚖️ 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 change it (c) we measure it
8. 8.⚖️ Fair test — does the angle of the mirrors change how clearly you see? True or false: the same carton is kept the same. (a) True (b) False
9. 9.🔭 Does a shiny steel plate reflect light well or poorly? (a) reflects light poorly (b) reflects light well
10. 10.🔭 Who uses a periscope to look above the water? (a) a baker (b) a pilot in a plane (c) a submarine crew (d) a farmer
11. 11.🧺 Three of these are needed for the periscope. Which one is NOT needed? (a) a balloon (b) an empty juice carton (c) sticky tape (d) a ruler
12. 12.🧺 Which of these is not needed for the periscope? (a) two small mirrors (b) a pencil (c) a battery cell (d) a ruler
13. 13.🔍 Which is the odd one out? (a) black cloth (b) a rough wooden board (c) aluminium foil (d) dark soil
14. 14.⚖️ Fair test — does the angle of the mirrors change how clearly you see? True or false: the same carton is what we measure. (a) False (b) True
15. 15.🧺 Which of these is needed for the periscope? (a) yeast (b) turmeric powder (c) a battery cell (d) a ruler
16. 16.🧺 Do we need an empty juice carton for the periscope? (a) not needed (b) needed
17. 17.True or false: two small mirrors is not needed for the periscope. (a) True (b) False
18. 18.⚖️ 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
19. 19.🔍 Which is the odd one out? (a) a rough wooden board (b) a shiny steel plate (c) a dull brick (d) dark soil
20. 20.⚖️ Fair test — does the angle of the mirrors change how clearly you see? True or false: the angle of the mirrors is kept the same. (a) True (b) False
21. 21.True or false: a battery cell is not needed for the periscope. (a) True (b) False
22. 22.⚖️ 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) the angle of the mirrors (c) how clear the view is
23. 23.🧺 Three of these are needed for the periscope. Which one is NOT needed? (a) turmeric powder (b) a pencil (c) sticky tape (d) a ruler
24. 24.🔭 Does a rough wooden board reflect light well or poorly? (a) reflects light well (b) reflects light poorly
25. 25.🔭 Which of these reflects light well? (a) a dull brick (b) a rough wooden board (c) still clear water (d) black cloth
26. 26.🧺 Three of these are needed for the periscope. Which one is NOT needed? (a) an empty juice carton (b) sticky tape (c) two small mirrors (d) vinegar
27. 27.⚖️ Fair test — does the angle of the mirrors change how clearly you see? Which of these is what we measure? (a) how clear the view is (b) the object we look at (c) the same mirrors (d) the same carton
28. 28.🧺 Which of these is needed for the periscope? (a) yeast (b) a battery cell (c) a pencil (d) vinegar
29. 29.📘 Light bouncing off a mirror is called ___. (a) magnetism (b) evaporation (c) reflection (d) refraction
30. 30.True or false: a balloon is needed for the periscope. (a) False (b) True
31. 31.🔭 How many times does light bounce off a mirror in a simple periscope?
32. 32.True or false: a mirror reflects light poorly. (a) True (b) False
33. 33.🧺 Which of these is needed for the periscope? (a) a balloon (b) a battery cell (c) turmeric powder (d) two small mirrors
34. 34.🧺 Do we need turmeric powder for the periscope? (a) not needed (b) needed
35. 35.🔭 Does a dull brick reflect light well or poorly? (a) reflects light poorly (b) reflects light well
36. 36.⚖️ Fair test — does the angle of the mirrors change how clearly you see? What do we do with “the same carton”? (a) we keep it the same (b) we measure it (c) we change it
37. 37.⚖️ 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) how clear the view is (c) the angle of the mirrors
38. 38.True or false: a dull brick reflects light poorly. (a) True (b) False
39. 39.🧺 Which of these is not needed for the periscope? (a) two small mirrors (b) a pencil (c) a ruler (d) vinegar
40. 40.🛟 Who should cut the holes in the juice carton? (a) the youngest child (b) nobody needs to (c) a friend who is running (d) a grown-up

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