Includes 9 google sheet files to help you develop a K-12 science curriculum based on the Next Generation Science Standards. This is a great tool for home schooling parents, teachers and administrators.Each sheet provides a different way to arrange the standards. Each sheet is editable. You can rearrange it to design your own course or use one of the arrangements provided. The arrangements were developed by NGSS. I designed these sheets to make it easier to plan and organize your curriculum.Each