Planet EarthPlanet Earth

By Zack LeonnigBy Zack Leonnig

Chelice HolienChelice Holien

Trevor EvansTrevor Evans

Planet Discovery and OriginPlanet Discovery and Origin Earth was not discovered by anyone. Earth was not discovered by anyone.

Although, ancient astronomers Although, ancient astronomers discovered earth and debated on discovered earth and debated on whether or not earth was flat or round. whether or not earth was flat or round.

Earth wasn’t discovered animals were Earth wasn’t discovered animals were on this planet way before our (human) on this planet way before our (human) time.time.

Earth is the only planet who doesn’t Earth is the only planet who doesn’t have the Greek or Roman have the Greek or Roman mythological origin. Its name comes mythological origin. Its name comes from the Anglo- Saxon word Erda from the Anglo- Saxon word Erda (Erdaz) which means ground soil and (Erdaz) which means ground soil and Earth. In old English it is Erthe and in Earth. In old English it is Erthe and in German it is Erde.German it is Erde.

Earth is the only planet known to Earth is the only planet known to support life, also we have the support life, also we have the technology to send people into space.technology to send people into space.

LocationLocation Where- Between Earth and Where- Between Earth and

mars. 3mars. 3rdrd planet from sun planet from sun About 93million miles 150 About 93million miles 150

million km.million km. Diameter 12,8000km (8000m)Diameter 12,8000km (8000m) Circumference 40,000km Circumference 40,000km

(24,900 m)(24,900 m) 1 moon- 356334 km (221463 1 moon- 356334 km (221463

m)m) Days/ years… 24hrs/day Days/ years… 24hrs/day

365days/yr… 8760hr/year365days/yr… 8760hr/year Moon?- Luna ,Latin word form Moon?- Luna ,Latin word form

of moon. Selene, Greek form of moon. Selene, Greek form of moon.of moon.

Atmospheric Make upAtmospheric Make up

TopographyTopography Made of?-many things…Made of?-many things…

Core-Core- Nickel and Iron Nickel and IronMantleMantle- Rock with silicon, Iron, - Rock with silicon, Iron,

magnesium,aluminum, and oxygenmagnesium,aluminum, and oxygenCrustCrust- oxygen. Silicon, - oxygen. Silicon,

aluminum, iron, calcium, aluminum, iron, calcium, sodium,potassium, magnesiumsodium,potassium, magnesium

SurfaceSurface- mostly water- mostly waterAtmosphereAtmosphere- Nitrogen, oxygen, - Nitrogen, oxygen,

small amounts of carbon dioxide and small amounts of carbon dioxide and other gasesother gases

Any Water or land? – Yes, earth is mainly Any Water or land? – Yes, earth is mainly water (75%) Land is 148.94 million sq. water (75%) Land is 148.94 million sq. Km.Km.

Is the Planet some where we can live Is the Planet some where we can live on?- Yes we can Earth has oxygen so we on?- Yes we can Earth has oxygen so we can breath and we can adapt to the can breath and we can adapt to the climates.climates.

Sunrise Sunset?- on Earth the sun rises Sunrise Sunset?- on Earth the sun rises in the east and sets in the west.in the east and sets in the west.

Quiz QuestionsQuiz Questions!! Section 1Section 11) Who discovered Earth?2) What is earths Name in Latin and Greek?3) What is Unique about Earth? Section 2Section 21) How many planets from sun?2) How far from Sun?3) How Many Moons? Section 3Section 3112233 Section 4Section 41) What is one common element that makes up the planet Earth?2) The sun rises in the _______.

3) Land is _______million Sq Km.