Includes natural processes within the climate system: orbital patterns, solar radiation, oceans, atmosphere, water cycle, the natural greenhouse effect, carbon cycle, regional climates and differences between climate and weather.

In these activities and story book, students wonder why hummingbirds have stopped visiting their school. They learn about the needs of the hummingbirds, the seasonal changes where they live, and the environment where the hummingbirds spend the winter. Students describe the seasonal changes in a local habitat, observe how colors in nature change through the seasons, and research hummingbirds.

Several activities that introduce students to the concepts of earth as a series of systems that are all connected. All of the activities reinforce the idea that water, air, soil, and living things all interact in the Earth system. There are several components that educators can choose to use: a book, a play, two activities, and two coloring pages.

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