What are 25 simple machines found in a school and what type of simple machine is each one?

1. doorknob = wheel and
axle

2. classroom door = 2nd class
lever

3. stapler= 3rd class
lever

4. doorstop = Wedge

5.
Scissors = two first class levers connected at middle

6.
Wheelchair ramp = inlined plane

7. Spiral staircase =
Screw

8. Faucet = wheel and
axle

9. flush lever on toilet = 1st class
lever

10. wheels on bottom of teacher's chair = wheel and
axle

11. pulley at top of flagpole =
pulley

12. swing on playground = 3rd class
lever

13. baseball bat = 2nd class
lever

14. delivery ramp = inlined
plane

15. pole vault pole = 3rd class
lever

16. baseball glove = 2nd class
lever

17. pull down viewing screen =
pulley

18. window blinds =
pulley

19. light switch = 1st class
lever

20. hole punch = 2nd class
lever

21. toiletpaper roll = wheel and
axle

22. desk drawer = 2nd class
lever

23. staple remover = 2nd class
lever

24. pencil sharpener= wheel and
axle

25. teeter totter on playground=1st class
lever