American Chemical Society
Middle School Chemistry: Energy Levels, Electrons, and Covalent Bonding
Young scholars discover the concept that two atoms can attract and form a covalent bond.
Science Buddies
Science Buddies: Project Ideas: Salt Bridge: Electricity Changes P H
This chemistry science fair project uses a very simple experimental setup - a battery hooked up to two solutions, connected by a salt bridge - to explore some complex chemistry. The Science Buddies project ideas are set up consistently...
University of Illinois
University of Illinois Urbana Champaign: Chemistry Learning Center: Electrolysis of Water Using an Electrical Current
From the Chemistry Learning Center at the University of Illinois, this page explains the chemical changes occurring during a water electrolysis lab. Textual information is accompanied by photographs which clearly illustrate the changes.
American Chemical Society
Middle School Chemistry: Energy Levels, Electrons, and Covalent Bonding
Discover how covalent molecular bonding affects the energy levels of electrons.