determine if a design solution works as intended to change the speed or direction of an object with a push or pull (K.2 a, b, c).
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predict and test how a push or pull will affect the motion of an object (K.2 a, b)
plan and conduct an investigation to compare the effects of different strengths or directions of pushes and pulls on the motion of an object (K.2 c)
make and communicate observations about how pushes and pulls affect the motion of everyday objects (K.2 a, b)
compare the motion (fast/slow, close/far) of an object after pushing and pulling the same object with different strengths (K.2 c)