Second graders understand the difference between relative and absolute location using the grid map as an example of an absolute location. They observe a class map showing longitude and latitude lines and learn that they provide exact...

A page describing (in part) the distinction between energy, temperature and heat. Includes a graphic illustrating the quantity of energy needed to transform water between various states. Methods of thermal energy transfer (convection,...

Find out how scientists can find out the age of the rocks they are studying.

This page provides an easy-to-understand explanation of the legal types of divorce; also provides links to state statutes & recent federal decisions.