Chemical Engineering
|
|
atom
proton neutron electron pH acid base alkaline hydrogen rennet enzyme |
Civil Engineering
force
tension compression Howe Truss Pratt Truss Warren Truss Below Deck Through Truss |
Electrical Engineering
|
electron
charge voltage insulator conductor series circuit parallel circuit |
Environmental Engineering |
|
water cycle
evaporation watershed wetland aquifer pervious impervious pore space volume |
Mechanical Engineering
|
simple machine
pulley inclined plane screw wedge wheel and axle lever |