The math portion covers simple topics like measurements and fractions, the science section touches on everything from dinosaurs to food, and the English section (called "Word Wise") includes explanations of grammar and usage.
It has an encyclopedia, dictionary, almanac, and atlas, as well as fairly decent examples of science theories and math problems, games, and quizzes.
Beyond the literature guides that it's known for, Cliffs Notes has information for grades 7 and up on many subjects, including basic French, Spanish, and 10 sciences.
Those looking for ready-to-go review sheets before exams will appreciate the site's "Cheat Sheets," which contain basic formulas and data on a wide variety of topics.
Spark Notes' quizzes received great scores in our testing for their ability to reinforce material and pinpoint areas in need of review, however.
Overall, this is a fine tutorial site for students looking for a short, simple review.-- Int Math stands for "Interactive Mathematics," so it's no surprise that this site received a perfect score in our testing for interactive methods of teaching.It's a great resource for high school math students: Concepts of algebra, probability, calculus, and other subjects are explained clearly and thoroughly.Some of Int Math's pages contain advertisements streamed along the side of the site, which can be distracting.Still, this site's search engine tracks down topics efficiently, and it was the best at addressing the various math topics that we examined.For educational help for the younger set, try visiting the Infoplease sister site, Factmonster.Geared toward high schoolers, Spark Notes is a bit limited: The site has a not-so-in-depth math section (touching on subjects from pre-algebra to calculus BC) and short biology, chemistry, and physics sections for science, and the only English materials are on the site's "Spark Charts" (review sheets available for download for each).This site's science section covers lots of topics for high school students, including earth, life, physical, and computer sciences, but with little depth.The math portion contains helpful information for elementary school students, focusing on skills like measurements and money, and the English section includes good tips on writing a paper for older kids but could use a more comprehensive range of information for all ages.But teens who are struggling with a concept will appreciate this site's step-by-step solutions (as opposed to just providing the answer for its sample problems).SOS Math also offers excellent practice quizzes to let students learn by trial and error.