Learners learn about the composition and structure of the atmosphere and create a large model of it. The lesson and accompanying PowerPoint can both be downloaded, and the student handout is provided in both English and Spanish.

A detailed overview of the Earth's atmosphere, with explanations about atmospheric properties, the structure of the atmosphere, its four layers, atmospheric processes, energy heat transfer, conduction and convection, and radiation. All...

The planet Mercury is profiled with information about its size, mass, atmosphere, length of day, and the like. Features include interactive activities and learning exercises.