Grade 3 > Physical SciencesMotion and Stability: Forces and Interactions3.PS2.1 Plan and conduct an investigation to provide evidence of the effects of balanced and unbalanced forces on the motion of an object. 3.PS2.2 Make observations and/or measurements of an object’s motion to provide evidence that a pattern can be used to predict future motion. 3.PS2.3 Ask questions to determine cause and effect relationships of electric or magnetic interactions between two objects not in contact with each other. 3.PS2.4 Define a simple design problem that can be solved by applying scientific ideas about magnets. |