Numerous groups offer free or low cost programs for students that enable them to see plant and animal adaptations in a variety of habitats. Again, these field based experiences can be cross-curricular with an easy link to instruction of the science standards. Students can study this area over the course of the school year to observe and record the changes that occur. Add the study of endangered species found in California and particularly in the local region of the school. This way students know what lives nearby and little by little will take care of their local habitats.
Students love studying worms.
They can really understand the concept of decomposition by have worm bins at their school. Cafeteria waste programs can be developed to reduce solid waste at the school as well. Elaborate on the possibilities that a school site garden can provide, including photosynthesis, plant structure, and stewardship. Not just to study the water cycle but all the ways human are linked to oceans. Even students who live near the coast do not necessarily understand the role the ocean plays in the environment.