Investigate inertia and gravity in this hands-on experiment for 2nd and 3rd graders. Aligned with NGSS. Teachers will love its' ease of use, simple materials, and watching students get excited about science. Students will love uncovering the magic of the laws of motion. This investigation has it all to meet the standards.Digital and Distance Learning Approved. This is a great way to get students to use the scientific method at home. The only supplies needed are a container, cardboard, and pen