HOW SEASON CHANGE?

• A season is a division of the year, Identify by changes in weather, ecology and hours of daylight. Seasons result from the yearly orbit of the earth around the sun and tilt of the earth's rotational axis.
• The earth's axis of rotation is tilted. The earth resolved around the sun, making a complete revolution in one year.
• During the summer days, The northern hemisphere of earth gets direct sunlight from the sun. The sun's rays hit surface of the earth more directly causing warmer temperature.
• During the winter, The earth is on the other side of the sun and the northern hemisphere gets less direct sunlight causing cooler temperature.
• For this reasons, The seasons in southern hemisphere are reversed. Another interesting fact is that the earth is actually far away from sun during summer than winter.