Curated OER
Limiting Factors for Populations
The "Bottled Bacteria" activity instructions are a bit unclear, but the remaining activities investigating limiting factors in ecosystems are well-written. Learners model the exosystem of a bear and a herd of deer. They set up a...
Curated OER
Biome Bazaar
Students construct 3-D biomes. The ultimate goal of this activity is to allow students to be official tour guides and to teach one another about biomes, environmental responsibilities, habitats, and human roles in the various ecosystems.
Curated OER
Wetlands/Watershed Model
Learners make a model that will demonstrate the flow of surface water across the land in Texas and how materials that originate many miles away can end up in the wetland along the coast.