Curated OER
Ecology and the Biosphere
Ecology enthusiasts explore ecosystems with this worksheet. They define vocabulary terms and write out answers to questions about distribution and abundance of life. They complete a chart comparing abiotic and biotic factors of Earth's...
Curated OER
Ohlone Indians
Fourth graders use various pictures to identify the economic activities, food supply or religious beliefs of the Ohlone Indians. Students create a cooperative learning travel brochure.