Transcription of Unit 4 Lesson 1 Part II Earth’s Days, Years, and Seasons
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Unit 4 Lesson 1 Part II Earth’s Days, Years, and Seasons
Unit 4 Lesson 1 Part II. Earth's Days, Years, and Seasons Copyright Houghton Mifflin Harcourt Publishing Company Unit 4 Lesson 1 Earth's Days, Years, and Seasons Seasons change . What causes Seasons ? Most locations on Earth experience Seasons . Each season is characterized by a pattern of temperature and other weather trends. We experience Seasons due to changes in the intensity of sunlight and the number of daylight hours as Earth revolves around the sun. Copyright Houghton Mifflin Harcourt Publishing Company Unit 4 Lesson 1 Earth's Days, Years, and Seasons What causes Seasons ? At an equinox, sunlight shines equally on the Northern and Southern hemispheres. Half of each hemisphere is lit, and half is in darkness. As Earth moves along its orbit, the sunlight reaches more of one hemisphere than the other. At a solstice, the area of sunlight is at a maximum in one hemisphere and at a minimum in the other hemisphere. Copyright Houghton Mifflin Harcourt Publishing Company Unit 4 Lesson 1 Earth's Days, Years, and Seasons What causes Seasons ?
Title: 4.1 - 2 Earth's Days, Years & Seasons.ppt Author: P00024561 Created Date: 9/27/2012 4:54:30 AM
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Workbook: THE EQUINOX AND SOLSTICE CYCLE, THe eQuInOX And SOLSTICe CYCLe, Solstice, Equinox, Solstice and Equinox, Sun Angle, Duration, and Insolation, The Earth and the Seasons, Virginia Department of Education, Gregorian-Lunar Calendar Conversion Table, Multi-kit 2004-2012 INST-3302, The Reasons for the Seasons, THE REASON FOR SEASONS