The document provides instructions for a group project to create a timeline portraying the development of atomic theory. Students must include the name, time period, accomplishments and discoveries about atoms, including any experiments used, as well as a labeled drawing of the atomic model, for at least one of the following scientists: John Dalton, J.J. Thomson, Robert Millikan, Ernest Rutherford, Joseph Moseley, James Chadwick, or William Crookes.

1. Group Project [Chapter 4]
1. On a piece of poster/construction paper, portray a timeline for
the development of the atomic theory (use colored crayons or
markers)
2. Must include for YOUR scientist:
a. Name of scientist
b. Time period
c. Accomplishments or discoveries made about the atom. Describe
experiments used.
d. A labeled drawing of the model of the atom to show new
development(s) Scientists
A. John Dalton E. Joseph Moseley
B. J.J. Thomson F. James Chadwick
C. Robert Millikan G. William Crookes
D. Ernest Rutherford