Air Masses and Fonts Chapter 8 Section 3. Standards S 6.4.e Students know differences in pressure, heat, air movement, and humidity result in changes.
SECTION 1: SEASONS AND WEATHER EARTH’S TILT 23.5 degrees in relation to sun Revolution and tilt of Earth causes changes in seasons.
Chapter 7.1 Water: A Vital Resource water covers 325 cubic miles of Earth (71% of the surface) about 97.5% of this volume is salt water remaining portion.
