This complete 5E instructional sequence introduces Earth’s biomes and uses these as a vehicle through which to teach biotic and abiotic factors and address the Next Generation Science Standard MS-LS2-1. It is the first unit in my NGSS-aligned Middle School Life Science Curriculum (coming soon), but it can easily be incorporated into any curriculum. Activities expect students to read, discuss, use technology, analyze data, and conduct research. Five days of complete lesson plans are included in