De l'atmosphère primitive à l'atmosphère actuelle, un chapitre du vivant.
Problématique : Comment l'atmosphère primitive est devenue celle qu'on a maintenant ?
SADOYAN Emma SALIOT Céleste
https://www.metoffice.gov.uk/binaries/content/gallery/metofficegovuk/hero-images/weather/atmosphere/view-edge-earth-atmosphere-layer.jpg
INTRODUCTION
https://www.worldatlas.com/r/w1200/upload/d0/ac/51/earth-atmosphere-space-studio23.jpg
Les premiers êtres-vivants, première raison du changement d'atmosphère
Observation de cyanobactéries au microscope
https://cdn.futura-sciences.com/sources/oc%C3%A9an-min.jpeg
https://i.pinimg.com/originals/fc/a2/48/fca248101bb1815a52acaa5f68cf02d8.jpg
https://www.terres-du-passe.com/upload/image/Theme/ScienceTetU/Atmosphere/AtmosphereTerrestre(1).png
https://th.bing.com/th/id/R.6aea647b261a9e58ba896058c9aca524?rik=KjvkYKfs5t0zGA&riu=http%3a%2f%2fblog.ac-versailles.fr%2fpoincare%2fpublic%2fSVT%2fevol_9.03%2fCapture_decran_2016-01-24_10.36.02.png&ehk=iJJIiahUEVFN8B91GLVYzSXsxcHwITE4X25S7LP96ac%3d&risl=&pid=ImgRaw&r=0
Les processus géologiques, deuxième raison du changement d'atmosphère
https://sciences-nature.fr/la-terre-geologie/climats-de-la-terre/de-latmosphere-primitive-a-latmosphere-actuelle/
https://th.bing.com/th/id/R.b953c22b81d6097ba0025846d0f29f1e?rik=p8BKGr1Fy0sKmw&riu=http%3a%2f%2facces.ens-lyon.fr%2facces%2fthematiques%2flimites%2fimalunap%2fmer.jpg&ehk=erAKvYo3%2bbpIe5ggvuV2jPXHhs%2bJssGNBiN%2bj8c9cy0%3d&risl=&pid=ImgRaw&r=0
https://cdn.futura-sciences.com/cdn-cgi/image/width=1024,quality=60,format=auto/sources/images/snowball%20earth_nasa.jpg
CONCLUSION
https://cdn.futura-sciences.com/sources/images/atmosphere-terrestre.jpeg
MERCI DE VOTRE ECOUTE
Problématique : Comment l'atmosphère primitive est devenue celle qu'on a maintenant ?
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Transcript
De l'atmosphère primitive à l'atmosphère actuelle, un chapitre du vivant.
Problématique : Comment l'atmosphère primitive est devenue celle qu'on a maintenant ?
SADOYAN Emma SALIOT Céleste
https://www.metoffice.gov.uk/binaries/content/gallery/metofficegovuk/hero-images/weather/atmosphere/view-edge-earth-atmosphere-layer.jpg
INTRODUCTION
https://www.worldatlas.com/r/w1200/upload/d0/ac/51/earth-atmosphere-space-studio23.jpg
Les premiers êtres-vivants, première raison du changement d'atmosphère
Observation de cyanobactéries au microscope
https://cdn.futura-sciences.com/sources/oc%C3%A9an-min.jpeg
https://i.pinimg.com/originals/fc/a2/48/fca248101bb1815a52acaa5f68cf02d8.jpg
https://www.terres-du-passe.com/upload/image/Theme/ScienceTetU/Atmosphere/AtmosphereTerrestre(1).png
https://th.bing.com/th/id/R.6aea647b261a9e58ba896058c9aca524?rik=KjvkYKfs5t0zGA&riu=http%3a%2f%2fblog.ac-versailles.fr%2fpoincare%2fpublic%2fSVT%2fevol_9.03%2fCapture_decran_2016-01-24_10.36.02.png&ehk=iJJIiahUEVFN8B91GLVYzSXsxcHwITE4X25S7LP96ac%3d&risl=&pid=ImgRaw&r=0
Les processus géologiques, deuxième raison du changement d'atmosphère
https://sciences-nature.fr/la-terre-geologie/climats-de-la-terre/de-latmosphere-primitive-a-latmosphere-actuelle/
https://th.bing.com/th/id/R.b953c22b81d6097ba0025846d0f29f1e?rik=p8BKGr1Fy0sKmw&riu=http%3a%2f%2facces.ens-lyon.fr%2facces%2fthematiques%2flimites%2fimalunap%2fmer.jpg&ehk=erAKvYo3%2bbpIe5ggvuV2jPXHhs%2bJssGNBiN%2bj8c9cy0%3d&risl=&pid=ImgRaw&r=0
https://cdn.futura-sciences.com/cdn-cgi/image/width=1024,quality=60,format=auto/sources/images/snowball%20earth_nasa.jpg
CONCLUSION
https://cdn.futura-sciences.com/sources/images/atmosphere-terrestre.jpeg
MERCI DE VOTRE ECOUTE