This section of the Windows to the Universe web site provides information and images about Earth's atmosphere including detailed information about the layers of Earth's atmosphere, the greenhouse effect, and weather. Windows to the Universe is a user-friendly learning system pertaining to the Earth and Space sciences. The objective of this project is to develop an innovative and engaging ...  View More

In this classroom activity, students record the temperatures in and around a walk-in refrigerator or freezer to see how cold air behaves when it meets warmer air. The printable five-page handout includes:A series of inquiry-based questions to get students thinking about how the temperature of air changes its density.Detailed experiment directions.A worksheet that helps students use the experiment ...  View More

This elementary school/middle laboratory activity requires students to watch a demonstration of air pressure changes and then answer several questions. It is part of the Atmospheric Visualization Collection (AVC), which focuses on data from the Atmospheric Radiation Measurement (ARM) program. ~^ DLESE's mission is to improve the quality, quantity, and efficiency of teaching and learning about ...  View More