But there is an even greater challenge than the technology - making interactive material compelling.

History resources featuring interactive material, exhibition listings and an 'on this day in history' section.

These bring artifacts and other interactive materials to students, while complying with state educational standards.

The interactive material, while voluminous, had a mid-90's look.

The key, he added, is to make the interactive material easy and fun for both students and teachers.

There is interactive, audio and video material available.

The series, composed of short films and additional interactive material, is distributed online.

Personalized, interactive electronic materials have also been developed to aid in genetic education and counseling.

The Guardian Teacher Network has nearly 100,000 pages of lesson plans and interactive materials.

In addition to movies, disks have the capacity to carry video games and all manner of interactive material for play on a computer screen.