Wrap-up a unit on global climate change with a lesson that examines the causes and effects of climate change. Learners fill out a chart that represents what they think causes climate change—natural and human-based—and what they think...

What is reflectivity, and what does it have to do with the Earth's climate? As reflectivity is measured by albedo, scientists can gather information on Earth's energy balances that relate to global warming or climate change. Budding...

Students examine the physical characteristics of several types of air masses to discover how air masses can be identified and defined by their temperature and moisture content.