1. Examples Work Quietly on these Problems How many grams are in 5 kilograms? How many kilometers are in 25.0 meters How may centimeters are in 45.0 hectometers? –Write in regular notation and scientific notation

2. What is Earth Science Earth Science can be broken down into 4 Broad Fields of Study Astronomy Metrology Geology Oceanography

3. Astronomy Astronomy Study of Objects beyond Earth’s Atmosphere Study of Earth’s Neighbors and Beyond

4. Meteorology Meteorology Study of the air that Surrounds the Earth What Causes Weather? (The Processes Involved)

5. Geology Geology Study of the materials that make up the Earth Processes Involved in Shaping the Earth 4.6 Billion Years of Formational Processes to Study

6. Oceanography Oceanography Study of the Oceans Creatures, Physical and Chemical Nature

7. Earth Systems These systems are Specific to the Earth Only All four Systems are Interrelated They Include –Lithosphere –Hydrosphere –Atmosphere –Biosphere

8. Lithosphere Lithosphere Outermost Layer of the Earth (Crust and Mantle) 2 Types of Crust –Continental Granite –Oceanic Baslt

9. Hydrosphere Hydrosphere Contains all water on Earth –Oceans –Seas –Lakes –Rivers/Streams –Glaciers

10. Atmosphere Atmosphere The Atmosphere is the Layer of gasses that surround the Earth Protects us from the Harmful Effects of the Sun 78% Nitrogen, 21% Oxygen, 1% Others

11. Biosphere Biosphere All the living organisms that inhabit the earth.