This bundle on force and motion offers various grade-level versions to cater to different learning levels. Simple supplies and low prep. Students explore, investigate, and engage in STEM activities to learn about the Law of Conservation of Energy and the Law of Momentum. The ultimate goal is to create a marble run or Newton's Cradle. These hands-on Investigations and Teacher guides include:Alignment to NGSS Background Information for the teacher with science, vocabulary, and tipsCollision Course