Summary Chemistry Module 9 — Chemistry of the Atmosphere
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Course
Science
Institution
GCSE
AQA GCSE Chemistry Module 9 Chemistry of the Atmosphere - summative mind-map
This document serves as a multipurpose tool to aid your GCSE revision, made by a Grade 9 student. It contains elaborate details of the module, including key learning points from the AQA specification and a profile of al...
EARTH'S EARLY ATMOSPHERE : heat
+ maintains a
greenhouse gas gas that traps
>
- a
CONSEQU
habitable temperature on Earth enough to support life
activity (4
mic 6 billion
years ago)
·
+
rising
.
warming meltin +
global
↳ released
Lots of CO2 global temperatures
increase in e
↳ little to no 0 in
due to increase in
concentration GHGs
early atmosphere
↳ small
,
proportions of other gases
u
zen
~
climate
change
>
-
longterm change to global weather patterns
↳
including water vapour /
G THE GREENHOUSE EFFECT :
cooled the Earth
: condensed to form the oceans
energy (short wavelength radiation) passes thro
·
.
1 The Sun's
CO2 dissolved in oceans Earth's surface
phytomining atmosphere
the
·
+ warms
↳ formed carbonate precipitates (CO)
↳ deposited as insoluble sediment on seabed is re-emitted/reflected back into sp
2 . Some
of this energy
Plants (2 7 billion
years later) o this energy is absorbed by greenhouse gases (GHG
·
+ .
3 .
Some
eg CO2 CH4 H20 vapour molecules)
↳
, ,
.
3
↳ started to
develop more plants
- > more
S
photosynthesis
S
↳ traps heat within Earth's atmosphere as absorption a
↳
photosynthesis more less re-emission continues
amongst other GHGs in the atm
3
6002 +
6H20-CH1206 +
602 ouygen carbon
Warm
dioxide ->
Earth's
global temperatures regulated
4
. are t W
absorbed CO2 releases O into
CHEMISTRY OF
from atmosphere) atmosphere 2 "stable
C .. O2 levels increase)
·
( :
CO2 levels decrease)
↳ allows more complex life
↳ forms to evolve
helps to regulate global
↳ Limestone (calcium carbonate carbon footprint
- > the total amount carbon dioxide
↳ marine
of
remains like shells + skeletons
↳ coal (fossil fuel)
9. a ↓
a product CorotherGGsemittedthrougha vice
↳ thick
, compressed plant deposits phone a service
or event
flight
A
a
·
↳ must take into account :
a festival
·
Formation
of Easil Fuels >
- reduced CO levels
·
2 ↑
- how all raw materials were sourced
(carbon store) event
↳
manufacturing process
all
compressed remains of plankton .
2
3 .
total power used in its lifetime
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