CK-12 Foundation
Ck 12: Life Science: 11.14 Vitamins and Minerals
Find out about some of the vitamins that humans need in their bodies.
University of Michigan
University of Michigan: Climate Change and Michigan Forests
A comprehensive 10-lesson unit on how climate change affects the forests of Michigan. Covers many of the NGSS life science standards for middle school. Includes teacher's guide, PowerPoints, video links, student handouts, standards...