Ancient China

by Grace lampi

Back long ago wan ancient china was alive people know how to measure earthquakes what did they youse you ask well they yoused somptging cald a steathacope.
A sisemograugh is something that measuer erthkuakes.

there are Eight figurs of dragoans with little balls in there moaugth wen thares an erth cuake you put it on the ground and wen the erth kuake the little ball would drop into the littleh hole in the frogs mouth