EARTH

BASIC FACTS

• Earths diameter is 7918 miles
• Eccentricity of earth is eliptical
• Earth is in the inner group of the planets
• Distance from the sun is 92,960,00 miles

BASIC FACTS

• It takes 365 1/4 days to revolve around the sun
• 24 hours to do a rotation
• The surface temp is 14 degrees celcius and 57.2 ferignheight
• Earth is between veus and mars
• Erathis the basic unit of gravity so its one

GEOGRAPHICAL FEATURES OF EARTH

• Earth has many geographical features such as
• Mountains, lakes
• Valleys, plains
• Oceans, deserts
• Seas, rivers

GREENHOUSE EFFECT

• The greenhouse effect is basically where earth traps
• In heat that is built up over time and can get released out
• Of the atmosphere.

EARTHS LAYERS

• The top layer of earth is the crust
• There are two parts to the mantle upper mantal and the lower mantal
• The inner core is all solid rock, the outer core liquid magma

CONTINENTAL DRIFT

• Continents can move cause they are floating on the mantle
• The pieces of rock that float on the mantle are tectonic plates

MAGNETIC FIELD

• The earth has a magnetic field around it
• To protect it from to much or harmful radiation

OXYGEN RICH

• Earths atmosphere became oxygen rich
• From stromotulites they are sunlight and popped rocks
• That developed in the earths atmosphere
• Which made earth oxygen rich

OZONE LAYER

• The ozone layer is a layer that protcts the earth from
• Too much radation but there are holes in the ozone layer
• So its easy to let heat in and those wohles get bigger and bigger
• Which cause global warming

UNIQUE EARTH

• Earth is unique because it is the only planet
• To sustain life its the only planet to have water, on it
• Oxygen, plants and more

FUN FACTS

• Mass of earth 5,972,190,000,000,000
• 97% of water on earth is salt
• Antartica has as much ice as the atlantic ocean has water
• 99% of earths gold lies in the core of earth
• 200,000 people are born every day