null
US
Sign In
Sign Up for Free
Sign Up
We have detected that Javascript is not enabled in your browser. The dynamic nature of our site means that Javascript must be enabled to function properly. Please read our
terms and conditions
for more information.
Next up
Copy and Edit
You need to log in to complete this action!
Register for Free
100021
Earth
Description
Mind Map on Earth, created by ipton64 on 20/05/2013.
Mind Map by
ipton64
, updated more than 1 year ago
More
Less
Created by
ipton64
over 11 years ago
110
0
0
Resource summary
Earth
Phase 1: many million years ago..
1) molten - so hot atmosphere boiled away..
2)eventually cooled to form thin crust
3)volcanoes erupted: gave of Co2 and water vapour. Mostly Co2 no oxygen
4)Water vapour condensed to create oceans
Phase 2
1)Co2 dissolved in oceans
2)marine organism developed
took in CO2 - buried under layer of sediment - locked in carbonate rock
Green plants evolved - took co2 , produce O2 by photosnythesis
Phase 3:
build up o2 killed off early organism
Oxygen created ozone layer, blocked harmful rays.
more complex org. could flourish
Show full summary
Hide full summary
Want to create your own
Mind Maps
for
free
with GoConqr?
Learn more
.
Similar
Earth and Space
Niat Habtemariam
Chemistry Module C3: Chemicals in Our Lives - Risks & Benefits
James McConnell
Earth, Sun, Moon
Lynn Rathbun
Earth Science- Continental Drift, Sea Floor Spreading and The layers of The Earth
sarah_pryer
AQA Chemistry GCSE - Unit 2a - Oils, Earth and Atmosphere
RosettaStoneDecoded
Changes in the Earth and its Atmosphere - C1
Georgia Freeman
Earth Day Trivia
Andrea Leyden
AS Geology - Planetary Geology; Planets of the universe
Rebecca Giddings
AQA Chemistry Unit One the earth and it's atmosphere
Natalia Cliff
The biosphere flash cards
za4321
Global Warming
Kris Howes
Browse Library