Combining these techniques provides a thorough assessment of environmental conditions. The following technologies may be used to learn how to use satellite data as well as collect accurate data in these four categories in your environment.
Filters allow you to see things in a different view.
Hand-held Light Sensors provide low cost ways to measure the intensity of light emitted from, reflected by, absorbed by, or transmitted through an object.
Digital Cameras are a powerful technology that may be used in a variety of ways to study your world
See the Measuring Challenges
Sources of Equipment give you the tools to create your own experiments.
For many decades satellites have been carrying Earth monitoring sensors that have provided global imagery and data which have changed our understanding of how the Earth functions.