American Chemical Society
Neutralizing Acids and Bases
Most things naturally strive for balance, and acids and bases are no exception. Neutralization of acids and bases allows scholars to explore the color changes associated with the pH scale. After this exploration, pupils neutralize two...
Core Knowledge Foundation
Third Grade Skills Unit 2: Rattenborough’s Guide to Animals
An animal-themed unit focuses on third-grade skills. Scholars practice spelling patterns, prefixes, suffixes, and grammar concepts—nouns, verbs, adjectives, subjects, predicates, and sentences. Assessments gauge proficiency.
Curated OER
DNA Blueprint for Life
Middle schoolers isolate DNA from different food sources. In this biology instructional activity, students research DNA extraction. They analyze DNA stands collected from the lab, and compare the differences between each.