2. Basic Facts Name and History Parts Chemical Compisition Atmosphere Tectonic Plate’s Motion Magnetic Field Life factors

3. 3rd planet 7.1 billion 149,600,000 km – orbit 12,756.3 km - diameter 5.9736 x 10 24 kg. or 5,973,600,000,000,000,000,000,000 kg. - mass Earth’s satellite: Moon

4. Earth’s Greek name: Terra Mater – mother earth Roman Mythology: Goddess of Earth, Tellus – Fertile soil Copernicus ( 16th century ) Nineplanets.org Polishamericancenter.org

5. Crust (0 – 40 km) Upper Mantle (40 – 400 km) Transition Region (400 – 650 km) Lower Mantle (650 – 2,700 km) D” Layer (2,700 – 2,890 km) Outer Core (2,890 – 5,150 km) Inner Core (5,150 – 6,378 km) (http://library.thinkquest.org)

6. 34.6% iron 29.5% oxygen 15.2% silicon 12.7% magnesium 2.4% nickle 1.9% sulfur 0.05% titanium Nineplanets.org http://1.bp.blogspot.com

8. North American Plate South American Plate Antartic Plate Eurasian Plate African plate Indian – Australian Plate Nazka Plate Pacific Plate

9. Ellipse Axis is a slight tilt

10. Shields us from charged particles from the Sun The flow of liquid Iron generates electric currents.

11.  Temparature  Atmosphere  Water  Energy  Nutrients

12. http://www.worldometers.info: Earth’s population Nineplanents.org: earth’s mass, diameter, satellite & Tectonic Plates School: earth being the 3rd planet, the moon http://solarsystem.nasa.gov: Orbit Imagesangry.com: earth gif http://www.space.com: Info. About the Atmosphere http://www.school-for-champions.com: Earth’s motion http://www.astronomynotes.com: Magnetic Field http://www.lpi.usra.edu: Life factors