-
4500 BCE
Beginning of earth
Comets were forming earth and earth was molten because of the uranium brought by the meteors. -
4400 BCE
Earth was cooling
Zircons brought water to earth cooling the planet down -
4000 BCE
Water World
Earth has been raining for a very long time filling the earth with 90% water. The water was green not blue like today. -
3400 BCE
New Land
Granite continent was formed. Strong enough not to erode. -
2500 BCE
First Life
Stromatolites filled every beach living off of sunlight filling the world with oxygen -
1500 BCE
Blue seas
The oxygen being created rusted the iron in the water making the water blue instead of green -
1000 BCE
Rodinia
The continents came together into one big continent blocking warm water from cycling to the pole. -
700 BCE
Snowball Earth
The entire earth frozen with ice miles deep and temperatures below -40 celsius. 95% of all species live then died. -
550 BCE
Cambrian Explosion
Complex animals with teeth, eyes, shells,and other things started to emerge. -
485 BCE
Ordovician Period
Known for its diverse marine life. Gondwana a supercontinent sat on the south pole creating glaciers which lowered sea levels -
443 BCE
Silurian Period
Multicellular life also began to appear on land. Some plants were also up on the surface. -
419 BCE
Devonian Period
The climate was warm and dry. Placoderms were dominant predators during this time. -
358 BCE
Carboniferous Period
Tropical swamps all over earth. 40-70 ft tall plants. Coal we use today was made from the decomposing of these swamps -
298 BCE
Permian Period
Pangea formed. The land erupted with lava for millions of years killing 95% of life.
