Ms. Hill brings 28 fish to school today. What will she and her students do with all those fish? Find out.'
Introduces about bacward and forward and how these forces are used in everyday life.'
the book explains about these force and how they affect the movement of difference objects.'
All the things and activity make a rotation to move. The books explain about that.'
Describes simple machines called planes or ramps and how they are used to make work easier.'
The books introduces to upward and downward motion and explains how the forces of lift and gravity cause these movements. '
Learn to know about geography of environment.'
It all started with water. But how did one river make such a deep canyon? Read on and find out.'