The determination for the modal age level for grades seven and nine for the difficulty of the principle: a body at rest or in motion will remain at rest or continue in motion in a straight line unless compelled by some force to change its condition of rest or motion.

Thesis (Ed.M.)--Boston University

Bibliographic Details
Main Author: Finigan, Francis X.
Language:en_US
Published: Boston University 2014
Online Access:https://hdl.handle.net/2144/9527