You’ve probably often heard television weather reporters talk about high and low…

Marshes are large expanses of wetlands dominated by grasses, small trees, shrubs…

As you sit outside on a hot day, you watch the ice…

Statistics presents information in a useful manner that is easily understood by…

Life depends on the water cycle, which includes condensation, evaporation and precipitation.…

Orion may be the most recognizable constellation in the sky, with the…

The octagon is an eight-sided polygon that has eight angles. Although few…

An ​ecosystem​ is defined as a complex of living organisms, their physical…

Electrical energy is used throughout the world to power devices, appliances and…