Rockets are super amazing, but how do we get something that weighs as much as 100 elephants all the way into space? Disciplinary Core Idea: PS2.A: Forces and Motion - Each force acts on one particular object and has both strength and a direction. Forces that do not sum to zero can cause changes in the object’s speed or direction of motion (3-PS2-1). Performance Expectation: 3-PS2-1 Plan and conduct an investigation to provide evidence of the effects of balanced and unbalanced forces on the motion of an object
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