Measurement Systems

Making observations is an important part of chemistry. You already know that there are two types of observations: qualitative and quantitative. Quantitative observations are also called measurements. Your daily life is filled with important measurements of all kinds, from pumping gas at the gas station to weighing yourself at the gym. In this topic, you will explore the different systems of measurement that help scientists (and chemistry students like yourself) make quantitative observations.

Essential Questions

• What is the SI system?
• What are accuracy and precision in measurement?