The goal of NGSS is to prepare students for college, career, and citizenship by focusing on a deeper understanding of content and developing key skills that students need to be informed and engaged in...The goal of NGSS is to prepare students for college, career, and citizenship by focusing on a deeper understanding of content and developing key skills that students need to be informed and engaged in scientific and engineering practices. Students will develop a lesson plan to help K-2 or 3-5 students distinguish between mass, volume, and length through hands-on activities and observations using a balance scale, graduated cylinders, and rulers or measuring tapes.