This comprehensive Grade 7 Science unit has three chapters on forest ecosystems, natural cycles in a forest, and human interactions with a forest. Each chapter has experiments, activities and questions complete with answers. There are...

Learn about three different marine ecosystems: coral reefs, the continental shelf, and the deep sea. Interactive game included, which will help players chart the interrelationships among organisms that live in each ecosystem.

Students explore the biosphere's environments and ecosystems, learning along the way about the plants, animals, resources and natural cycles of our planet. Over the course of lessons 2-6, students use their growing understanding of...