Introduction to Atoms and Atomic Scientists Webquest
Several scientists made contributions to atomic theory, which has changed many times as new information was discovered regarding the structure and composition of an atom. Click the document below to explore the history of the atom.
Atoms are the basic units of all matter, and are composed of subatomic particles. The most commonly known particles are protons, neutrons, and electrons. Click the image below to simulate how these subatomic particles affect the identity of an atom.
Online chemical and physical change activity
Matter can undergo changes making either a new substance or simply changing its form or appearance.Click on the image below to get to the online activity that explores chemical and physical changes.