Week 1: Earths Early Years How old is the Universe? How old is the Earth? How do we know the age of the Earth? 14 billion years ago = Big Bang; earth ~ 4.6 bill years old density stratification Where do elements lighter than iron come from? Where do eleme
Oceanography Concept Checks
CHAPTER 6 1. How are atoms different from molecules? Molecule- a group of atoms held together by chemical bonds Atom- simplest form; cannot be broken down by chemical means Chemical bonds- the energy relationships betwe
Where do elements lighter than iron come from? Where do elements heavier than iron come from? What are the processes involved? What do I mean by nuclear stability? How does this relate to life on Earth?
What is meant by density stratification? How did the
Week 1: Earths Early Years How old is the Universe? Universe: 14 billion years old How old is the Earth? Earth: 4.6 billion years, about 5 Billion years old. How do we know the age of the Earth? Density stratification Where do elements lighter than iron c
Week 6 (new) What primary physical factors control density of seawater and therefore drive the vertical circulation of deep water? In other words, what drives thermohaline circulation? Vertical currents are driven by density (thermo = temp, haline = salin