Curated OER
Mass-Mass Relationship
Students investigate mass-mass relationships in the lab. In this mass-mass relationship lesson plan, students mix sodium carbonate with hydrochloric acid to produce sodium chloride, water and carbon dioxide. Students use the amount of...
Curated OER
Debt and Deficits
High schoolers identify, research and interpret the national debt and deficits of the past through today and why it has risen significantly in the last 20 years. They analyze the size and impacts and discuss the various policy measures...