Curated OER
Bridges
Ninth graders use model-building to help comprehend the forces and phenomena at work in the world around them. They describe gravity as a universal force that pulls everything toward the center of the earth. Students distinguish between...
Curated OER
How Plants Help Us Breathe
Third graders discuss how humans breathe and how plants help us to stay alive. In groups, they identify and label the different parts of plants and describe their functions. They compare and contrast the ways plants and animals breathe...
Curated OER
Hazard Mitigation: Bioterrorism
Students discuss different ways to spread infectious diseases. In this bioterrorism lesson, students model the rate of smoke emission using CalRoad software. They analyze the effects of airborne release of biological...