Lab Safety Rules
When working in the lab, conduct yourself in a responsible manner at all times in the lab. No goofing off or playing practical jokes! Follow all written and verbal directions Continue Reading →
Author Archives: Marissa
Laboratory- Index
Performing lab experiments allows us to see chemistry in action! Before we can begin work in the lab, we must learn about the proper safety rules to follow and the Continue Reading →
Significant Figures
Significant Figures Significant figures provide us with information about how good a measurement is. Generally, when you record a measurement using a piece of equipment, you should write all of Continue Reading →
Percent Error
Percent Error Percent error is a measurement of the accuracy of the measurement. It is calculated using the following formula: Note: Percent error is often reported as a positive number- Continue Reading →
Precision vs. Accuracy
Precision and Accuracy in Measurement Conducting a chemistry experiment often requires a scientist to make several different measurements during the course of the experiment. Unfortunately, each measurement will have some Continue Reading →
Measurements
Chemistry is a quantitative science, and measurements are very important. Click below to visit each of the measurement topics: Precision vs. Accuracy (Accuracy and Precision Lab Activity) Percent Error Significant Continue Reading →
Answers to Scientific Method Practice
Answers to the Scientific Method Practice Problems: Scientific Method Practice Problems Answer Key
Scientific Method
Have you ever wondered how scientists carry out their research? Research is sometimes a very long and time consuming process, and scientists follow the scientific method which provides them with Continue Reading →
Answers to Introduction to Chemistry Practice
Answers to Introduction to Chemistry Practice Problems: 1. Identify each type of investigation as an example of pure research or applied research. a. A researcher analyzes the composition of Continue Reading →