is the days after summer and before winter. The position of the sun in the middle of the day has a fall from high to low. The measure of heat in the daytime has a fall to the level between warm and cold. Leaves of trees have a change of their colors. At the end of fall, these red, yellow, leaves have their falls. The "dead" leaves on the earth, a sign of coming winter, are food for very small things living on and in the earth.