This is an 8th grade informational text about the concept of Atomic Theory and its history. Students should cite evidence that most strongly supports an analysis of what the text says explicitly as well as inferences. Students should also determine a central idea of the text, including its relationship to supporting ideas; provide an objective summary of the text, and analyze how the text makes connections among and distinctions between individuals, ideas, or events (License: https://en.wikipedia.org/wiki/Wikipedia:Text_of_Creative_Commons_Attribution-ShareAlike_3.0_Unported_License).