General

• The International System of Measurements - detailed info from NIST
• The International System of Units - University of North Carolina
• Measurement Laboratory Activity
• Metric Conversion Factors
• Use of Units in Chemistry - by Fordham student Nick Raguso, class of 2000
• Random Online Quizzes - from Ohio State
• A Series of Lecture Slides That Pertain to this Chapter
• Reference Tables
• Additional SI Links - from Yahoo

• A Tutorial Covering Accuracy and Precision
• A Lesson on Accuracy and Precision - Honolulu Community College
• Random Online Quiz on Accuracy and Precision - from Ohio State
• A Series of Lecture Slides that Pertain to this Chapter

• Test Your Understanding of Significant Digits - California State University
• Detailed Lesson on Significant Digits - R.H. Logan
• A Clear Lesson with Examples - Hazelwood
• A Brief Summary of the Rules for Significant Digits - Roanoke Governor's School
• A Series of Lecture Slides that Pertain to this Chapter
• Random Online Quizzes on Calculating with Significant Digits

• A Clear Example of Factor-Label - Dale's Place
• Chemistry Basics - Chemistry Tutor
• Test Your Knowledge - California State University
• Random Online Quiz on Factor-Label with English and Metric Units
• Metric Conversion Factors -

• Lesson Notes on Scientific Notation - R.H. Logan
• Test Your Knowledge - California State University
• Practice Converting - Dr. Douglas P. Hamilton and Mike Asbury
• Additional Information on Scientific Notation
• Worksheet on Scientific Notation

• Test Your Knowledge - California State University
• Random Online Quizzes on Density Calculations - Try each group.  Solve for; density, mass, and volume.
• Density Calculation Pretest - Clackamas Community College

• An Explanation of Percent Error Problems - by Fordham Prep Students
• Practice Problems - by Fordham Prep Students
• Practice Percentage Problems - California State University

• Test Your Knowledge - California State University
• A Temperature Converter - Science Made Simple
• Another Temperature Converter - National Imagery and Mapping Agency
• Random Quiz Generator - Take a random quiz that will be graded for you.
• Another Temperature Converter - Robbie's Kitchen 

• Calorimetry Laboratory Activity - by Fordham Prep students, class of 2000
• Specific Heat Laboratory Activity - by Fordham Prep students, class of 2000
• Test Your Knowledge - California State University
• Random Online Quiz on Heat Transfer Calorimetry Calculations - great practice!
• Many More Energy Link