Update: Sept 2025 - the ASTHROS launch date was pushed back; watch the mission website for updates. In this activity, students learn how pressure differences cause air to move from high pressure to low pressure areas, and how the Coriolis effect deflects wind in a predictable pattern. Materials Balloon Globe Markers, pens or pencils Student worksheet Student worksheet answer key Management Consider doing only Part 1, only Part 2, or both, depending on student abilities. A globe or digital repre