Scholastic
Study Jams! Air Masses & Fronts
Four types of air masses interact in the atmosphere above the US. The collision of these air masses forms a front, which, in turn, creates our weather. Concepts are explained by Sam and RJ, thus preventing a snowball fight. Your class...
Forest Foundation
Forests, Carbon & Our Climate
To conclude their examination of forest ecosystems, class members consider the role forests play in the carbon cycle and how forests can offset climate change.