PS3+(3-4)+-+7


 * Students demonstrate an understanding of motion by…**

7a __predicting__ the direction and describing the motion of objects (of __different weights, shapes, sizes, etc.__) if a force is applied to it.

__7b describing change in position relative to other objects or background.__


 * Students demonstrate an understanding of force (e.g., push-pull, gravitational) by…**

__7c investigating and describing that different amounts of force can change direction/speed of an object in motion__.

__7d conducting experiments to demonstrate__ that different objects fall to earth unless something is holding them up.