In late march and late september, we experience the equinoxes. This is when the sun rises in the east on the equator and sets in the west directly on the equator. This is when the sunlight is most direct on the equator. After the March equinox the sun will begin to appear like it is rising and setting more to the north. In late June, the summer solstice, the sun appear highest in the sky and began to move back south toward the equator. After the september equinox the sun will appear to move south, until late December, the winter solstice. The angle of sunlight is important because based upon the angle there will be different amounts of energy per unit of light. More energy means more heat so when the Sun appears farther from the earth, more heat is being produced because light is hitting earth's surface directly, for longer. This cycle causes seasons, because it affects how much energy earth is receiving from the sun's…