The Topic: 

Easier - A fractal is a shape, often drawn by a computer, that repeats itself in a pattern. The design shapes usually reoccur in different sizes.
Harder - Fractals are endlessly repeating patterns that vary according to a set formula, a mixture of art and geometry. Fractals are any pattern that reveals greater complexity as it is enlarged A real-life example of fractals is ice crystals freezing on a glass window. You can see countless variations of the same pattern emerge in the crystals over time.
Exploring Fractals (Grades 9-12) by M.A. Connors
This website explores fractal dimensions of strictly self-similar fractals, from Cantor Dust to the Fractal Skewed Web. Includes a teacher information section.
Related Websites:
2) Fract-ED (Grades 8 and Above)
3) Fractals by C. Lanius
4) Fractals from Math Archives (Links-site)
Fantastic Fractals by J. Sheu and M. Turvey
This comprehensive site on fractals first began as a ThinkQuest project. It still includes a kid's section that uses audio clips to explain the basics of fractals in an interesting manner, and the rest of the site has just about any fact or explanation a high school student might need on the topic. Also has quizzes, downloadable files, links, and more.
Another Comprehensive Fractal Website:
2) Amazing Seattle Fractals!
Fractals by S. Alejandre from Math Forum
This is an introduction to fractals. It also has some good links.
Fractals: An Introduction
This website provides very simple methods to construct fractals, to do and practice some math, to appreciate the beauty of fractals, and finally to have fun with math.
Related Website:
2) Fractals (Grades 5-8)
After exploring lots of fractal websites (below), complete one or more of these fractal projects.
Complete a Fractals WebQuest. Follow or adapt the directions found at one of these sites. 
1) Defining Chaos Through Fractals (Grades 7-12)
2) Fractal Chaos Webquest (Grades 9-12) by S. Hallar
3) Fractals
4) Fractals: Math or Art?
5) To Fractal or Not to Fractal--that is the Quest-ion.
Make Your Own Fractals. You might want to start at The Sierpinski Triangle, The Jurassic Park Fractal, and The Koch Snowflake at Cynthia Lanius's Fractals website. Then go to one of the online fractal generation programs. The IFSoft Home Page has two Java applets: fractalina, a program for making fractals; and franimate!, a program for animating fractals. You also can try Make Your Own Julia Set at The Fractory. Follow up by using the 'Make-Your-Own Mandelbrot Set" at the same website. Compare the fractals that you make. Try using the same parameters. Read the 'learn more' and 'how the fractals are generated' sections.
Create Some Fractal Music. Visit Fractal Music to begin learning about fractal music. Then go to the program set at Create Your Own Chaos and compose some of your own fractal music.
Play An Online Fractal Game. Go to the Leap Fractal Game and follow the provided rules. This is an interactive fractal game that gives the player a choice of three different games and each game can be played at four different skill levels - - Requires Java.
Websites By Kids for Kids
Fractals and Chaos (1999 ThinkQuest Internet Challenge)
This website will describe certain basic concepts of chaos theory including fractal math.
Fractals Unleashed (1999 ThinkQuest Internet Challenge)
This is a comprehensive website about fractals.
Fractal World by E. Hanson, Lock Haven High School
You have the choice of three fractal topic pages plus "Fractal Links" to other related sites. In "What is a Fractal?" you find basic information on the formulas and origins of fractal geometry. Under "What is a Fractal? 2" you access more complicated information like the Mandelbrot function and imaginary numbers. Finally, examine some computer generated fractals under "Sample Pictures".
Fractory (1996 ThinkQuest Internet Challenge)
This page will help you learn about fractals: what they are and how to design them.
InterFACE: Internet Fractal and Chaos Education (1997 ThinkQuest Internet Challenge)
InterFACE offers a series of lessons and quizzes on fractals and chaos theory. You can hear a fractal symphony, see a fractal movie, send a fractal postcard, and download two freeware programs.
Making Order Out of Chaos (1997 ThinkQuest Internet Challenge)
The most well-known aspects of chaos theory are fractal images. Fractals appear to be complex and hard-to-comprehend at first glance, but the underlying code is very simple.
Our Fractal Universe: Mandelbrot and More (1999 ThinkQuest Internet Challenge)
This page is a study of fractals, both simple and complex and the basic mathematical concepts behind them.
More Fractal Websites 
Fractal Music: The Sound of Chaos
Nowadays, the mathematics behind fractals is better known as chaos. An amateur musician creates his music using nothing more than a desktop computer and a mathematical entity called the Mandelbrot set, a simple equation better known for generating complex and haunting fractal images. (Requires Real Audio program, free download link provided)
Other Fractal Music Site:
1) Fractal Music
Fractal Microscope at the National Center for Supercomputing Applications (NCSA)
This site explains about the bizarrely beautiful images known as fractals.
Fractal of the Web from Chaffey High School
Here you find fractal information, programs, articles and other fractal related pages on the Internet.
Other School Webpages for Fractals:
2) Chaos from Minnesota Tech Prep and Intermediate School District 287
Fractals, Chaos by P. Bourke
This fractals site contains images and information for the more advanced learner.
Another Fractal Site for Advanced Level Learners:
2) Fractals and Scale by D.G. Green
Gallery of Linear Fractals
This fractal gallery is divided into five parts (use either text or images to navigate to them) containing over 25 images.
Related Website:
2) Presentations at fractals
Mandelbrot Set
This is the website of an applet that lets you explore the Mandelbrot set.
Similar Websites:
2) Julia and Mandelbrot Set Explorer
3) Java Julia Set Generator
4) Interactive Fractal Generation Using Iterative Function Systems
Spanky Fractal Database
Here you can explore a huge resource of fractal images, software and information.
Other Fractal Images:
2) Dance of Chance
3) Fractal Domains Gallery by D.C. De Mars
4) Fractal eXtreme
5) Linas' Art Gallery by L. Vepstas
6) Fractal Galleries
7) Sprott's Fractal Gallery
Websites for Teachers
Fractals - Computer Generated (Grades 6-12) by D. Buckeye
This lesson includes a BASIC program that generates a right triangle fractal.
Other Fractal Lessons by D. Buckeye:
2) Fractals - Computer Generated 2
3) Fractals - Computer Generated 3
3) Fractals - Koch and Canter (Grades 6-12)
4) Fractals - Paper Folding (Grades 6-12)
Infinity, Self-Similarity and Recursion (Grade 8)
This lesson introduces learners to line deformation fractals, infinity, self-similarity and recursion and leads them in practice of fraction, pattern recognition, perimeter and area skills.
Other Lesson Plans in the Series:
2) Chaos
3) Fractals and the Chaos Game
4) Properties of Fractals
5) Introduction to Fractals: Geometric Fractals
6) Irregular Fractals
7) Mandelbrot Set
8) Pascal's Triangle
Internet Fractal Lesson (Grades 7-12) by D. Lewis
This lesson has students studying fractals using the World Wide Web and generating their own fractals.
Mandelbrot set
Julia set
polynomial equation
Sierpinski triangle
fractal dimension
Koch snowflake
Peano curve
Lorenz attractor
Created by Annette Lamb and Larry Johnson 12/99. Updated by Nancy Smith, 6/02.