This site contains a PowerPoint presentation on the average value of a function.
Watch the development of the sine curve and the cosine curve by tracing the unit circle in this fascinating applet.
Article discusses how objects in nature are held together through balanced forces. Scroll midway down to find info on microtubules and microfilaments. Links to excellent electron micrographs.
Discusses the meaning of velocity in terms of a graphical representation. Calculus-based discussion. Good graphics.
A step-by-step explanation on how to draw Lewis structures. An example problem is worked through to accompany the steps. There is also a list of the exceptions and a short explanation of resonance.