Knowledge about the weather

1, Weather: Weather is the atmospheric state and change in a certain area for a certain period of time.

2. Rain: Water vapor condenses into small water droplets during the rising process, and the small water droplets attach to dust or other particles and gather into clouds. When it becomes big enough, rain will fall from the clouds.

3. Snow: Water vapor condenses into ice crystals in the upper atmosphere, and the ice crystals are constantly frozen and fused, and gradually increase to form snowflakes.

4. Wind: the sun shines, the heat rises, the cold air flows in horizontally, and the cold and hot alternate to form wind.

5. Climate: Climate refers to the long-term average of various meteorological elements in a certain area.