<p>Earth Science Mid Term Study Guide Name ______</p><p>Unit 1 Intro to Earth Science </p><p>1. Know what each branch studies: Astronomy, Geology, Meteorology, and Oceanography</p><p>2. Know and describe each sphere of Earth: Atmosphere, Biosphere, Geosphere, and Hydrosphere</p><p>4. What is plate tectonics? Why do lithospheric plates move?</p><p>5. What is a system? Why is Earth a system? What are the energy sources for Earth (above and below surface); how are water and air and volcano examples of each?</p><p>Unit 2 Earth’s Atmosphere and Air.</p><p>1. What is the most abundant gas? What form of Oxygen is 03? </p><p>2. Why is air described a fluid? Volcanic debris, pollen and microbes are examples of ?</p><p>3. What are 3 roles of water vapor in the atmosphere?</p><p>4. What is weather? Climate? (definition) Know characteristics of layers such as: jet flying, satellites, outerspace, coldest layer, where weather climate are established.</p><p>Seasons – the result of Earth’s tilt; revolution around the Sun.</p><p>Unit 3 Elements of Weather</p><p>2. Water: what makes it unique on Earth’s surface? What is sublimation why is freezer burn an example?</p><p>3. Define: relative humidity and dew point; when in the day is relative humidity highest? 5. What are the 2 precipitation processes? What 1 property determines the type of precipitation you will have?</p><p>6. What is air pressure? What is the air pressure associated with cold and warm air? How are differences in air pressure created? What is wind?</p><p>7. What does stable air mean? unstable?</p><p>8. What are the characteristics of warm air and cold air: in terms of stability and ability to hold water vapor? What does it mean to say air is saturated?</p><p>Unit 4 Air Masses, Fronts and Storms</p><p>1. What are the 2 properties that characterize an air mass? What do we call the global area an air mass orginates in?</p><p>2. What is mP; mT and mA and cP, cT and cA?</p><p>Fronts</p><p>1. What is a front?</p><p>A: B: C: D: </p><p>Storms</p><p>1. Hurricanes: What are they? When are they most likely to occur in USA? What is the eye?</p><p>2. Tornadoes: How do they form? When do they most likely occur in USA? What is a vortex?</p><p>3. How do hurricanes compare to tornadoes?</p><p>4. Cyclone is the classical weather definition for both a ______and a ______making them all the same thing.</p><p>Unit 5 Climate Change</p><p>Carbon Cycle</p><p>2. What is a greenhouse gas? What are the 2 most common greenhouse gasses? How does burning fossil fuels effect greenhouse gasses? 3. What are some consequences of increased global warming?</p><p>4. What are ice sheet melting and ocean acidification?</p><p>5. What do scientists know are the facts about global warming? </p><p>65. </p>