[Accessible by TX Educators. Free Registration/Login Required] In this lesson, you will learn to revise your writing for clarity. You will begin by reviewing some major considerations for revision: genre, purpose, and audience. You will...

[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will be able to determine the number of valence electrons for any element and draw an electron dot diagram for any atom....

[Free Registration/Login may be required to access all resource tools.] Explains Stock system and nomenclature of transition metal compounds.

Check this brief explanation of how to tell the difference between lay, a transitive verb, and lie an intransitive verb, and use them properly in English grammar.

This site presents a history of the construction of the Panama Canal. Content includes information on the Panama Canal Treaty, the canal's construction, involved government leaders, and the transition of the canal from U.S. hands to...

Adult immigrants to Canada often have no English and little or no education. This guide provides lesson units on basic life skills they need such as how to send money to another country, how to take public transit and how to plan a group...

A comprehensive approach to writing coherent paragraphs and knowing how to transition between paragraphs.

Students explore materials engineering by modifying the material properties of water. Specifically, they use salt to lower the freezing point of water and test it by making ice cream. Using either a simple thermometer or a mechatronic...

Website is the "Voice for Military Families" and provides help with topics such as "Deployment and You," "Education," "Family Life," and other emotional issues that military families must face.

In this tenth unit of an intermediate Spanish course, students learn about transportation systems in Spanish-speaking countries and how people travel. They will listen, speak, and write about traveling using related vocabulary. They will...

A very lengthy page from friesian.com discussing Bohr's theory of electronic energy levels and the explanation of commonly observed atomic emission line spectra. The concept of a photon and Einstein's observation of the photoelectric...

A site containing a good deal of elemental information. Information on each element includes atomic number, atomic mass, melting point, boiling point, density, isotopes and more.

A very detailed description of air masses, how they move and interact, and what weather takes place when this happens.

What is career planning? Learn how using planning and self-assessment tools can help you find the perfect career match for your skills and interests.

Excellent videos, information and activities about emotional issues that military families go through such as deployment, homecomings, and dealing with changes.

This lesson offers suggestions to help you fix short, choppy sentences, combine sentences with the same subject, and revise sentences that sound the same. L.11-12.3 Language Functions/Style

[Accessible by TX Educators. Free Registration/Login Required] In this lesson, you will be taking a look at how authors of informational texts, such as expository texts, organize their writing and the effects that organization can have...

A site containing a good deal of elemental information. Information on each element includes atomic number, atomic mass, melting point, boiling point, density, isotopes and more.

A summary of alkene complexes formed with transition metals. Includes information on hybridization and synthesis.

A summary of alkene complexes formed with transition metals. Includes information on hybridization and synthesis.

Rearrangements of alkene with transition metal complexes. Includes information on catalysts, mechanisms and other similar polymerizations.

Rearrangements of alkene with transition metal complexes. Includes information on catalysts, mechanisms and other similar polymerizations.

Learn how Jimmy Carter failed to solve the ailing economy or confront a growing crisis in the Middle East during his one-term presidency.

Read about the scandal that brought down Richard Nixon.