Chapter Reading: Seeds chapter 20 Topics: Four stages of planetary development, the interior layers of the Earth, the four ways tectonic plates move and associated examples on Earth, hot spot volcanism, Earth’s primary and secondary atmospheres, greenhouse effect, aurora borealis, magnetosphere, Van Allen radiation belt, + properties, composition and origin of comets.
Sample Essay Questions: Describe the four stages of planetary development. Did other planets go through these phases?
Describe the type of plate tectonics that created the Himalayan mountain range and why this is different than how the Hawaiian islands were formed.
How are the Northern Lights generated?
Why did Earth’s primary atmosphere go away? How did oxygen arrive on the planet?