This TedEd The 2,400 Year Search for the Atom YouTube Video Guide challenges student to explore the historical development of atomic theory, from Democritus' ancient idea of "atomos" to modern quantum mechanics. Understand how John Dalton, J.J. Thompson, and Niels Bohr each contributed to evolving the model of the atom. Examine how experiments like Rutherford's gold foil led to the nuclear model and how further innovations have impacted modern science and technology.Note: This YouTube Guide is m