Young scholars list the names and symbols of common elements. They describe the present model of the atom. Students describe how electrons are arranged in an atom. They identify quarks as particles of matter that make up protons and...

Students demonstrate that isotopes of an element have different masses. They illustrate atomic mass and neutrons. The periodic table is examined in length. Display of a collection of atoms is surveyed.

Students diagram nuclear power plant, describe process for generating electrical power, discuss nuclear disasters in the 20th century, and draw conclusion about value of nuclear power for the future.

Students explain how the elements are arranged in the periodic table. In this chemistry lesson, students determine the subatomic particles for certain elements. They research the physical and chemical properties of an element they chose.