The Nucleus

Examine the man in the image on this page. What observations can you make about what is happening in this picture? Even though you may not be able to feel or touch this picture, you can make a pretty good assumption about what is happening. The observations and guesses that you are making are similar to those that scientists made when trying to determine the structure of the atom. In this topic, you will examine how scientists studied other subatomic particles found in the nucleus of atoms.

Essential Question

• How do scientists study the atom, when they have never seen one?