1. Mini Lesson: The Reasons for Seasons

2. What Discuss Today Some Seasons of Interest Definition of Seasons Three important “Reasons for Seasons”

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

4. Notes: Definition of 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 season and dry season

5. NOTES: The Reasons for Seasons The Main factors that cause the Seasons 1.Energy from the Sun (without the Sun there would be no seasons) 2.Shape and Axis of the Earth Earth is an “Oblate Spheroid” Earth Rotates on a Tilted Axis Sunlight Rays can be Concentrated or Spread Out (direct rays) (indirect rays) So… more energy with direct rays less energy with indirect rays

6. 3.Orbit of the Earth Around the Sun Hemisphere receiving longer hours of Sun So… longer hours of incoming energy Summary Direct Rays and more hours of daylight= Indirect Rays and less hours of daylight = Summer Winter

7. Multimedia Exploration Equinox (2.4 minute video)Equinox PBS Seasons FLASH ViewerFLASH Viewer

8. Extend our Learning Written ChapterWritten Chapter explaining the causes for Seasons Seasons (five minute TedEd video) Mechanism of Seasons (six minute video) A year on Earth (9 minute video) 18 Videos about Solstices, Equinoxes and Seasons Seasons Mechanism of Seasons A year on Earth 18 Videos