Introduce the scientific method by exploring forces and interactions. This engaging investigation introduces pushes, pulls, inertia, and gravity to kindergarten and grade 1. It's easy prep, uses everyday supplies, and includes an age-appropriate student journal. The teacher background and tips section makes lesson planning simple. Great ForNGSS K-PS2-1: Plan and conduct an investigation to compare the effects of different strengths or different directions of pushes and pulls on the motion of an