Curated OER
Is Organic Food Worth the Extra Cost?
Young scholars calculate the amount of pesticide residue in selected foods for two
pesticides and determine if these levels are safe. They read an article about a
research study looking for metabolites of these pesticides in children....
Curated OER
Is It Recyclable?
Students bring to school five items they would normally throw away and five items they would normally recycle. Expert groups are formed to present information on the recycling of glass, metal, plastic, and organics such as paper and...
Curated OER
Soak It Up
Learners examine the various materials that make up their local soils. In groups, they record how each material is different and use cheesecloth to filter them into a bottle based on particle size. They use the soils to determine if...