Other
Agriculture in the Classroom Sask: : How Plants Survive the Winter
A basic site that delves into how annuals, perennials and trees survive the winter. A test is provided to determine how well you have mastered the materials.
University of Illinois
University of Illinois Extension: Great Plant Escape: What Is the Life Cycle of a Plant?
In this interactive lesson, students learn about categories of plants, plant parts, life cycle, what plants need to grow, and edible plant parts.