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

2. 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.

3. 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.

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

5. 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

6. 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!