MEASURING THE ENVIRONMENT Accuracy and Error in Measuring
Scientific analysis can only be useful if the data a scientist gathers is accurate. Measuring Air Pollution
There are good reasons for measuring air pollution, because it can pose a major threat to people's health if levels get out of control. Measuring the Water
Many water-based ecosystems are constantly changing, causing data from scientific experiments to
vary greatly. Monitoring the Environment
Monitoring the environment requires the collection and analysis of data about all of the different environmental topics we want to study. Sampling the Soil
Like many other substances that scientists want to study, soils vary greatly and thus present many challenges in measuring them. | 
