(Discussion - Earth’s Spheres) Wednesday November 1, 2017 (Discussion - Earth’s Spheres)

How did the Earth develop an atmosphere? The Launch Pad Wednesday, 11/1/17 How did the Earth develop an atmosphere? Earth’s primitive atmosphere, which consisted mainly of H2O vapor and CO2, was formed by a process called “outgassing”, in which gases trapped in the planet’s interior are released by volcanic eruptions.

The Launch Pad Wednesday, 11/1/17 List, in order, the major steps involved in the creation of Earth’s atmosphere and Oceans 1. Volcanic outgassing produces Earth’s primitive atmosphere composed of water and carbon dioxide gases.

Announcements Remediation for Quiz 5 ends TODAY at 5:00! We will take Quiz 6 on Friday!

Summative or Formative # cti Summative or Formative # Date Issued Gone Missing Day Last Day Accepted QUIZ 5 S3 10/25 TODAY eResearch Paper - The History of Our World in 18 Minutes/The Birth of the Earth F5 10/27 (Must be Remediated) Halloween Activities (XC) F6 10/31 N/A Friday

Discussion Earth’s Spheres If you would like a copy of the notes that go with this discussion, go to our class website and download the PowerPoint titled “Earth’s Spheres” under today’s date!