Monthly Archives: July 2020

The compass was invented accidentally, but it was used for several things.  The Chinese used the compass for Chi which was the study of the magnetic force around the earth.  When the Germans heard about the compass, they used it for sailing because they saw the productive use of the compass.  The Chinese were soContinue reading “How the Compass was Used”

Simple machines help hold houses together, keep doors open, and turn things.  The names of three of the simple machines are the screw, the wedge, and the gear.  There are more simple machines, but this essay will only talk about three.     The first simple machine is the screw.  The screw helps hold houses andContinue reading “Simple Machines Everywhere”