The atmosphere refers to the layer of gases that surrounds the Earth. It is made up of different gases such as oxygen, nitrogen, and carbon dioxide (the gasses that compose the air we breathe). The atmosphere plays a crucial role in protecting life on Earth by regulating [controlling] temperature and blocking harmful radiation from the sun. It is also responsible for weather phenomena like clouds, rain, and wind.
- When we talk about the atmosphere, we are referring to the air that surrounds the Earth.
- The atmosphere is like a protective blanket around the planet, keeping us safe and providing us with the oxygen we need to breathe.
Very Simple Definition:
The atmosphere is the air around us. It is all the air that surrounds the Earth.
- When we step outside, we are in the atmosphere.
- When we feel the wind blowing, we can feel the atmosphere around us.