Obsidian is an igneous rock that forms when molten rock material cools so rapidly that atoms are unable to arrange themselves into a crystalline structure. It is an amorphous material known as a  mineraloid .. The result is a volcanic glass with a smooth uniform texture that breaks with a conchoidal fracture (see photo on right). Obsidian is usually an extrusive rock-one that solidifies above Earth's surface. However, it can form in a variety of cooling environments: Black is the most common color of obsidian.
â¢ PEP TALK (noun). The noun PEP TALK has 1 sense: 1. a speech of exhortation attempting to instill enthusiasm and determination in a team or staff. Familiarity information: PEP TALK used as a noun is very rare.
FDRâs Pep-Talk to Congress, January 17, 1935. Below is a speech given January 17, 1935 by President Franklin Delano Roosevelt to Congress on the issue of advocating a proposed new program he called âSocial Securityâ.This speech resulted in the eventual passage of the Social Security Act of 1935 on August 14, 1935:lmost everyone, FDR critics as well as admirers, agree that Social Security was a watershed event in our history. FDR said of the legislation that, if it was the only bill passed in the 1935-36 congressional session, Congress would have accomplished a lot.