Curated OER
The Periodic Table of the Elements
Young scholars research the elements used to create fireworks. In this periodic table lesson, students discuss common metals, their characteristics, and their places on the periodic table. They work in small groups to research the...
Web Elements
Web Elements Periodic Table: Caesium
A very helpful site with a great deal of information on caesium and its properties. Very helpful. Includes an audio track of a description of this element, as well as illustrative pictures.
Extreme Science
Extreme Science: Systems of Time: Atomic Time
Resource provides an article which explains what atomic time is and how it is used.
Texas Instruments
Texas Instruments: Numb3 Rs: A Matter of Half Life and Death
Based off of the hit television show NUMB3RS, this lesson introduces students to the topic of exponential decay and half-life. The lesson is built around Cesium-137, a radioactive isotope, and it's declining radioactivity over the course...
US Geological Survey
U.s. Geological Survey: Cesium
This site from the U.S. Geological Survey provides a nice summary of cesium from the viewpoint of a geologist or mineralogist.
US Navy
U.s. Navy: Atomic Clocks
This site from the U.S. Navy provides a great description of the history and workings of cesium based atomic clocks. Very interesting.
Other
Chemistry Resources: The Elements: Alkali Metals
This subtable lists and describes the six alkali metals of the periodic table of Elements. Related links are provided.
Chemicool
Chemicool: Cesium
Chemicool.com offers a very good summary of the key physical and chemical properties of cesium. Well organized.
Science Struck
Science Struck: Properties of Alkali Metals
Describes the physical and chemical properties of the six alkali metals.
Science Struck
Science Struck: Uses of Alkali Metals
Lists the properties of the alkali metal group of the periodic table and describes each of the six elements and their uses.
Wolfram Research
Wolfram Science World: Gustav Kirchhoff
This site from ScienceWorld provides a short but factual biographical sketch of the German physicist, Gustav Kirchhoff and describes his most notable discoveries and contributions to the realm of science.
Curated OER
[Bohr Model of Cesium]
This site provides information about the element Cesium (Cs), and includes its atomic structure, isotopes, and other facts.