Khan Academy: Introduction to Lab Values and Normal Ranges

An explanation of lab values following a blood test using a universal model. Also discussed are reasons why a number may be outside of a normal range. These variances include: age, gender, individual laboratory techniques, and the given...

Video provides a basic introduction to the phenomenon of light, the electromagnetic radiation spectrum, wave and particle-like behavior, and how to calculate the wavelength or frequency of a light wave. [9:36]

Introduction to how groups of organisms evolve and how natural selection can lead to evolution. [17:39]

An introduction to entropy and its relationships to various states for a system. [7:27]

Introduction to the reaction quotient Qc, and comparing the reaction quotient with the equilibrium constant to predict how concentrations will change. [7:36]

Introduction to redox in cellular respiration. Provides an overview of how cells break down fuels and looks at some of the electron transfer reactions that are key to this process.

An introduction to buffer systems, which regulate pH in blood. [6:20]

This article examines the basic principles of how cells communicate with one another using different kinds of short- and long-range signaling.

This video compares a voltaic cell to an electrolytic cell. [6:51]

Video offers the big picture view of chemistry and takes a look at how it relates to math and other sciences. [7:45]