Course Content
Reference Center
Prentice Hall provides a number of online resources and reference materials that are free of ads and have exceptional content.* Choose from the lists below.
This ad-free school version of the #1 online reference source includes an almanac, atlas, dictionary, and encyclopedia.
This interactive tutor helps you learn and review important skills.
In association with Dorling Kindersley, the World Desk Reference provides instant access to up-to-date country data and maps.
A classic edition of The Biology Place has activities, tutorials and more.
Updated weekly, Planet Diary relates current events to scientific phenomena.
Articles originally published in Science News are organized by science topic.
Learn about historic literary events that have anniversaries this month. This page is updated once a month September through June.
*Some PHSchool.com Web pages have links to external content which may contain ads. When you click on one of these links, you will be notified that you are leaving the PHSchool.com Web site.
