Organizations such as Chegg, Fact Monster and Discovery Education provide online homework help in science. While Chegg offers intuitive assistance based on specific questions asked, both Fact Monster and Discovery Education are set up for users to browse pre-defined categories or science-related keywords.
On the Chegg website, users type in their questions one word at a time, waiting for related answers to pop up under the search window. Once a topic relative to their assignment appears, they can click on it for detailed information.
The Discovery Education and Fact Monster websites contain resources sorted by topic. Discovery Education features a series of videos organized by subtopics within science and performing a search helps users find the most relevant videos. Fact Monster provides a series of text articles on a variety of science topics, organized by subtopic.