1. Earth Science Unit 2 The Reasons for Seasons

2. What Discuss Today Some Seasons of Interest Definition of Seasons The Seven Factors that Cause or Affect Seasons

3. What “Seasons” can you name? Flu Season Hunting Season Growing Season Shopping Season

4. Seasons Divisions of the year, marked by changes in sunlight and precipitation Temperate and Polar Regions Changes in amount of sunlight (intensity/duration) that reaches Earth's surface may cause animals to go into hibernation or migrate, and plants to be dormant. Four Seasons; Spring, Summer, Fall and Winter Tropical and Sub-Tropical Regions Changes in precipitation; rainy vs. dry

5. The Reasons for Seasons The Main factors that cause and moderate Seasons 1.Factors that Cause Seasons 1.Energy from the Sun (without the Sun there would be no seasons) 2.Shape, Rotation, and Axis of the Earth 2.Factors that Moderate Seasons 1.Orbit of the Earth (affects seasons over long time spans) 2.Atmosphere with gases that can rise, sink or flow laterally to transport energy 3.Ocean with liquids that can rise, sink or flow laterally to transport energy 4.Large amounts of water which evaporate and condense; storing, transporting and releasing large amounts of energy 5.Variable location of landforms and land features that affect the movement of air, ocean currents and water vapor Homework: Chapter 2-I Topic Questions, pg 17-20

6. Reasons for Seasons: Notes 1 Solar Energy