Why are there four seasons?

Answer 1

The cause of the seasons is the tilt of the Earth's axis of rotation (line from one pole to the other) with respect to the plane of its orbit around the Sun. During the course of the year, this changes the length of the day, and the angle of the Sun's rays, for all locations except those in the tropics near the equator.

The seasons are not experienced the same way in every location, due to winds, currents, and local weather patterns. The seasons are reversed north or south of the equator : when it is summer in the Northern Hemisphere, it is winter in the Southern Hemisphere, and vice versa.

• Summer: the Sun's rays are more directly overhead, temperatures are warm, days are longer
• Fall : the Sun's rays are less directly overhead, temperatures become cooler, days become shorter
• Winter: the Sun is farthest from directly overhead, temperatures are lowest, days are shortest
• Spring: the Sun becomes higher in the sky, temperatures become warmer, days become longer

Answer 2

People in some countries have arbitrarily decided that there are four seasons. Actually, there is a gradual change in the weather over the course of the year.

In parts of India, for example, there are three seasons: summer, monsoon and winter - each lasting four months. In fact, these are sometimes divided into halves so that, in effect, there are six seasons!

Answer 3

the earth is tilted on an angle. in winter the sun is furthest from your hemisphere. in summer it is closest. picture tilting an oval and moving it around a center point.