Tech4Learning
Pics4 Learning: Images for Education: Mosaic
Dozens of photos of mosaics from around the world add to this useful reference. Browse through the examples, then click to enlarge.
California State University
Bean and Seed Mosaic
This lesson plan offers an alternative to generic torn/cut paper mosaics by using beans and seeds. Introduce Mexican culture and have your students practice the elements of line, shape, and color.