Unit 2 Water and Weather - Spokane Public Schools

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Chapter 4Water and the Water CycleThe amount of water on Earth is about the same now as itwas during the age of the dinosaurs, 65 to 220 million yearsago. With about 70 percent of its surface covered with water,Earth is truly a water planet. However, only a small amountof this water is available for household, agricultural, andindustrial use. Since Earth has been around for such a longtime, why haven’t we run out of water? In this chapter, youwill learn how water moves naturally around Earth so that itis available to use year after year.1. Where is most of Earth’s water found?2. How is a mud puddle part of the water cycle?3. What is the difference between an aquifer and awatershed?
4.1 Water on Earth’s SurfaceAbout 70 percent of Earth’s surface is covered with water. This water is found inoceans, rivers, lakes, under the ground, and as ice.The hydrosphereWhat is thehydrosphere?Water phases onEarthWater in theatmosphereAll the water on Earth is part of a large system called thehydrosphere (Figure 4.1). A set of processes called the water cyclekeeps water moving from place to place on Earth. You will learnabout the water cycle in the next section.In Chapter 2, you learned that matter is anything that has massand takes up space. Phases of matter include liquid, solid, and gas.On Earth, water occurs in all three phases. Most of the water onEarth is liquid. The estimated volume of liquid water on Earth is1.386 billion cubic kilometers. The next most common phase ofwater is ice. If all the ice on Earth melted, the level of the oceanswould rise about 70 meters!Gaseous water is located in the atmosphere, the layer of gasesthat surrounds Earth. Moisture in the atmosphere replenishes ourwater supplies when it becomes rain or snow and returns to Earth.hydrosphere - an Earth systemthat includes all the water on theplanet.atmosphere - the layer of gasesthat surrounds Earth.Figure 4.1: Earth’s hydrosphereincludes all the water on the planet.The clouds in the picture are alsopart of the hydrosphere. Can youfind the hurricane? It’s part of thehydrosphere too.80UNIT 2 WATER AND WEATHER
Page 4 and 5: CHAPTER 4: WATER AND THE WATER CYCL
Page 6: CHAPTER 4: WATER AND THE WATER CYCL
Page 9 and 10: Water cycle processesFour mainproce
Page 11 and 12: How water moves in the water cycleS
Page 13 and 14: The water cycle and volcanoesWater
Page 15 and 16: The Wild World of CavesChapter 4 Co
Page 17 and 18: Conserving Water While You BrushCur
Page 19 and 20: . Into what body of water does it f
Page 21 and 22: 5.1 The AtmosphereEarth’s atmosph
Page 23 and 24: Earth’s unique atmosphereVenus an
Page 25 and 26: What is atmospheric pressure?Air mo
Page 27 and 28: 5.1 Section Review1. What are the t
Page 29 and 30: The stratosphere, mesophere, and th
Page 31 and 32: Chlorofluorocarbons and the ozone l
Page 33 and 34: 5.3 Earth Is Just RightEarth is “
Page 35 and 36: Earth’s motionMotion andtemperatu
Page 37 and 38: Revolution and Earth’s seasonsWhy
Page 39 and 40: Hurricane HuntersChapter 5 Connecti
Page 41 and 42: Chapter 5 ActivityOur atmosphere an
Page 43 and 44: 14. Explain how these factors help
Page 45 and 46: 6.1 Introduction to WeatherWeather
Page 47 and 48: The Coriolis effectGlobalconvection
Page 49 and 50: Air and water vaporWater vaporHow m
Page 51 and 52: 6.2 Weather PatternsAs you have lea
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Cloud formationWhat is a cloud?Cumu
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PrecipitationRainSnow and sleetDew
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Warm frontsA warm front occurs when
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ThunderstormsStorm cellsLightning a
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TornadoesComparinghurricanes andtor
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6.2 Section Review1. What does a me
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Characteristics of biomesWhat is a
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Earth’s biomes144UNIT 2 WATER AND
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Plants and animals in biomesCommuni
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Meteorologists Weather it AllChapte
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Chapter 6 ActivityRainy Day Mystery
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CHAPTER 6 ASSESSMENTMath and Writin
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Chapter 7OceansImagine you are an a
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CHAPTER 7: OCEANSEarth’s oceansEa
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CHAPTER 7: OCEANSSurface currents a
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CHAPTER 7: OCEANS7.1 Section Review
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CHAPTER 7: OCEANSMore about wavesCi
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CHAPTER 7: OCEANSTsunamis compared
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CHAPTER 7: OCEANS7.3 Shallow Marine
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CHAPTER 7: OCEANSWaves and sandWave
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CHAPTER 7: OCEANSMoving sandBeaches
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CHAPTER 7: OCEANSWhat happens tosan
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CHAPTER 7: OCEANS7.4 The Ocean Floo
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CHAPTER 7: OCEANS7.4 Section Review
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the sediment they are carrying. Pol
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Chapter 7 AssessmentVocabularySelec
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CHAPTER 7 ASSESSMENT7. If the perio
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Unit 2 Water and Weather - Spokane Public Schools

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