What is the Atmosphere?

The air around the Earth is called the atmosphere.

The atmosphere is all around the Earth.

The atmosphere is made of gas.

You cannot see gas but it can fill things up, like a tire, a balloon or a bubble.

Air is a gas.

The atmosphere changes.

Changes in the atmosphere make weather hot and cold.

Changes in the atmosphere make clouds, rain, and snow.

Changes in the atmosphere make weather!