Middle School NGSS PS2-5 Lesson Plans and resources for BirdBrain teachers! NGSS MS-PS2-5: Conduct an investigation and evaluate the experimental design to provide evidence that fields exist between objects exerting forces on each other even though the objects are not in contact. 1. Educational Innovations Inc. World’s Simplest Motor LP This simple motor Lesson Plan covers NGSS MS.PS2.5 […]