Atmosphere and Air

Front

What is the atmosphere?

Back

The layer of air surrounding the Earth, held by Earth's gravity, extending up to 10,000 km, appearing blue from space.

Front

What are the functions of the atmosphere?

Back

Protection, greenhouse effect, respiration, photosynthesis, airplane lift, UV filter.

Front

How does the atmosphere protect Earth?

Back

By degrading meteoroids through air particle friction, reducing meteor impacts.

Front

What is the greenhouse effect?

Back

Gases like CO2, CH4, CO, H2O trap heat from the Sun, maintaining a life-supporting temperature.

Front

How does the atmosphere support respiration?

Back

Oxygen in the atmosphere allows living beings to perform cellular respiration, releasing energy from food.

Front

How does the atmosphere support photosynthesis?

Back

Carbon dioxide in the atmosphere allows plants to produce sugar, their food base, through photosynthesis.

Front

How does the atmosphere enable airplane flight?

Back

It provides the necessary lift for airplanes to fly.

Front

How does the atmosphere filter UV rays?

Back

Ozone in the atmosphere filters UV rays from the Sun, preventing skin cancer.

Front

What is air?

Back

A gaseous mixture mainly of nitrogen and oxygen, with suspended solids and liquids like pollen and dust.

Front

How does water vapor affect air?

Back

It influences meteorology and determines air humidity levels.