Big+Idea+K-2+Force

Changes in an object's motion can be observed and measured.

 * Movement can be described in many ways such as straight-line, curved, spinning, back and forth, and fast or slow.
 * An object's position may be measured using length (in, cm, made-up units) as the distance from a reference point to the object.
 * The motion of an object can be described based on its change in position.
 * An object's motion can be changed by pushing, pulling, starting or turning.

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