Lesson Plan
Ohio State University

Osu History Teaching Institute: The Development of Atomic Theory

For Teachers 11th - 12th
Students learn about the development of atomic theory.
Lesson Plan
Utah Education Network

Uen: Timeline for the Atom

For Teachers 9th - 10th
Students will examine how significant scientific theories are developed, explore the work of scientists who contributed ideas to the atomic theory, and develop a timeline of key scientists to show how the work of each one built on the...
Lesson Plan
American Chemical Society

Middle School Chemistry: Protons, Neutrons, and Electrons

For Teachers 9th - 10th
Investigate why a charged object is attracted or repelled by another charged object. Explore the concept that the attraction between positive protons and negative electrons holds an atom together.

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