Atmosphere Vocabulary and Main Ideas

Front

Process where plants use light, energy, CO2, and water to make food, releasing oxygen.

Back

Photosynthesis

Front

Blue-green algae introduced O2 to the atmosphere billions of years ago.

Back

Cyanobacteria

Front

Volcanic eruptions release gases from Earth's interior

Back

Outgassing

Front

Greenhouse gas released by fossil fuel combustion

Back

Carbon dioxide

Front

Oldest algae fossils on Earth

Back

Stromatolites

Front

2nd most abundant gas in Earth's atmosphere (21%)

Back

Oxygen

Front

Warming of Earth's atmosphere from heat absorbed by certain gases.

Back

Greenhouse Effect

Front

Shift in long-term conditions like temperature and precipitation

Back

Climate change

Front

Thin area in Stratosphere absorbing UV radiation

Back

Ozone Layer

Front

Most abundant gas in Earth's atmosphere (78%)

Back

Nitrogen