Eighth graders discuss and write about what led up to the discovery of the atom. Students label proton, nucleus, electron, and neutron in their notes. Students take notes on electron shells and how different atoms have different...

Using the periodic table of elements, young chemists fill in a chart of isotopes to show the atomic number, mass, charge, number of protons, number of neutrons, and number of electrons. The chart is followed by 11 questions that...

In this radioactivity quiz worksheet, students complete a 10 question true/false quiz. Quiz is also available as a student handout and Powerpoint presentation. 

Students observe the periodic table and draw the Lewis Dot Diagram.  For this investigative lesson students construct information on several elements including the Lewis Dot Formation and take a quiz on the information they...

Learners participate in an Electron Square Dance in which they act the part of atoms. They follow the structure of different atoms suggested by the teacher.