The College Board
College Board Online:ap Chemistry
The official AP chemistry site by the College Board. Check here for format, calculator usage, and time constraints, as well as sample tests.
Other
Educational Testing Service Network
The Educational Testing Service website provides information concerning the many tests ( i.e. SAT, AP, CLEP, GRE, GMAT, TOEFL, PRAXIS, SLS, Higher Education Assessment) it develops and administers to individuals, educational...
Other
Skeptic's Dictionary: Piltdown Hoax
Was the Piltdown Hoax proof that science is "bunk" or was it just a temporary detour demonstrating the fallibility and human quality of scientific knowledge? These pages explores why so many scientists appeared to be duped by the...
PBS
Pbs Online News Hour: Second Hand Smoke
Here, you can read an interview with Dr. Ichiro Kawachi, of the Harvard School of Public Health, who published a study concerning the effects of second-hand smoke on non-smokers. Included is a RealAudio version of this interview.
Khan Academy
Khan Academy: The Sat Essay: Overview
An overview of the SAT Essay scoring and content are provided on this site.
Khan Academy
Khan Academy: Test Day Tips: Praxis Core Reading Test
On this Khan Academy resource, advice is provided for future teachers who will be taking the Praxis Core Reading Test.
Khan Academy
Khan Academy: Center and Spread Lesson
The resource from Khan Academy provides practice questions for the Praxis Core Math Test. This section reviews probability and statistics questions connected to the center and spread of data in a collection.