P1 What is Earth Science Prologue Keys to

P-1 What is Earth Science? Prologue

Keys to Success Always be prepared. n Always bring you n – Notebook – Pen / pencils – Earth Science Reference Tables Intro to Earth Science 2: 37 AM

Earth Science n Earth Science is an applied science. – It looks at systems – It uses chemistry and physics to solve questions about Earth’s system. – Earth is unique because it is the only planet known to have life. • The conditions on Earth that promote life exist because of the life on the planet. Intro to Earth Science 2: 37 AM

There are 3 Areas of Earth Science n Geology: – Studies the lithosphere n Meteorology: – Studies the Atmosphere and hydrosphere n Astronomy: – Studies space Intro to Earth Science 2: 37 AM

Geology includes the outer surface as well as the layers of the planet inside. n Lithosphere is the rocky outer shell of the planet. n Intro to Earth Science 2: 37 AM

Meteorology is the study of the atmosphere and hydrosphere. n Meteorologists predict weather based on scientific patterns. n Intro to Earth Science 2: 37 AM

Atmosphere n Atmosphere is the envelope of gasses that surround our planet. Intro to Earth Science 2: 37 AM

Hydrosphere n Hydrosphere is the water on our planet. – – Oceans Rivers Lakes Glaciers Intro to Earth Science 2: 37 AM

Astronomy is the study of the motions of the objects in space. n At left is a picture of Earthrise, as seen from Apollo 8 astronauts. n Intro to Earth Science 2: 37 AM