Encyclopedia of Earth
Encyclopedia of Earth: Thorium
Information about the element, Thorium, atomic number 90. Covers physical properties, atomic properties, how abundant it is on the Earth, where it is found, and details about health-related regulations. Discusses thorium's potential use...
CK-12 Foundation
Ck 12: Voltage
[Free Registration/Login may be required to access all resource tools.] This lesson looks at what voltage is and how to solve problems involving voltage. Includes a simulation for exploring how charges work in an electric field.
Environmental Chemistry
Environmental chemistry.com: Periodic Table Holmium
As the name of this site implies, this is a huge reference site for elemental information. Whether you are looking for properties or isotopes, this site probably has what you need. Images of structure and electron energy level can be...
Environmental Chemistry
Environmental chemistry.com: Periodic Table Hassium
As the name of this site implies, this is a huge reference site for elemental information. Whether you are looking for properties or isotopes, this site probably has what you need. Images of structure and electron energy level can be...
Wolfram Research
Wolfram Science World: Capacitor
A rather mathematical explanation of a capacitor. Gives all the appropriate formulae, with many hotwords for further info.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Electrochemistry
A teacher lesson plan which could be easily converted into an idea for a student project or presentation. This page describes activities in which the interconversion of chemical and electrical energy are investigated. Complete activity...