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• Main Menu
• Getting Started & Pacing
• Module 1: Weather on Earth
  • Module 1 Menu
  • Lesson 1.01: An Introduction to Weather on Earth
    • 1: Title
    • 2: The Importance of Weather
    • 3: What is Weather?
    • 4: Geography
    • 5: Name the Oceans
    • 6: Name the United States
    • 7: An Integrated Science
    • 8: Weather and Your Career
    • 9: Evaluate Your Learning
  • Lesson 1.02: Mornings Become Electric
    • 1: Title
    • 2: Mornings Become Electric
    • 3: Graded Examination
  • Lesson 1.03: Air Masses and Fronts
    • 1: Title
    • 2: Essential Question
    • 3: Air Masses and Fronts
    • 4: What Do You Think?
    • 5: Jet Streams
    • 6: Seasonal Jet Steam Differences
    • 7: Fronts and Weather
    • 8: Weather Fronts
    • 9: Weather Fronts: Interactive
    • 10: Evaluate Your Learning
    • 11: Key Points: Air Masses and Fronts
  • Lesson 1.04: Atmospheric Pressure
    • 1: Title
    • 2: Essential Question
    • 3: Air Density
    • 4: What is Pressure?
    • 5: Temperature And Pressure
    • 6: Atmospheric Pressure
    • 7: Sea-Level Pressure
    • 8: Horizontal Variations in Atmospheric Pressure
    • 9: What Do You Think?
    • 10: Did You Know?
    • 11: Pressure Gradient Force
    • 12: Wind and PGF
    • 13: Pressure Across the Globe
    • 14: Key Points: Atmospheric Pressure
    • 15: Evaluate Your Learning
  • Lesson 1.05: Atmospheric Moisture and Humidity
    • 1: Title
    • 2: Essential Question
    • 3: Water and Energy
    • 4: Phases Changes
    • 5: Evaporation
    • 6: What Do You Think?
    • 7: Water Vapor in the Atmosphere
    • 8: Which is Heavier?
    • 9: Why is Moist Air Lighter Than Dry Air?
    • 10: Pressure
    • 11: Water Vapor and Pressure
    • 12: What Do You Think?
    • 13: Absolute Humidity
    • 14: How Much Water Can Air Hold?
    • 15: Relative Humidity
    • 16: How Do We Measure Moisture in the Atmosphere?
    • 17: How Does Atmospheric Moisture Change Throughout the Day?
    • 18: How Does Moisture Travel Around the Globe?
    • 19: Key Points: Atmospheric Moisture and the Water Cycle
    • 20: Evaluate Your Learning
  • Lesson 1.06: The Water Cycle
    • 1: Title
    • 2: Essential Question
    • 3: Water on Earth
    • 4: What Do You Think?
    • 5: The Water Cycle
    • 6: Graded Assignment
    • 7: Key Points: Water On Earth
  • Module 1 DBA and Exam
    • 1: DBA and Exam
• Module 2: Measuring and Predicting Weather
  • Module 2 Menu
  • Lesson 2.01: Measuring Weather
    • 1: Title
    • 2: Essential Question
    • 3: Direct vs. Indirect Measurements
    • 4: Standard Variables
    • 5: Graded Assignment
    • 6: Station Model
    • 7: Radar
    • 8: What Does Radar Show?
    • 9: Upper Air and Weather
    • 10: Measuring Air
    • 11: What Do You Think?
    • 12: How is Data Collected From the Upper Air?
    • 13: What Do You Think?
    • 14: Skew-T Diagrams
    • 15: Measuring Clouds
    • 16: Clouds
    • 17: WeatherSTEM Fusion - Clouds
    • 18: Weather Satellites
    • 19: Types of Satellites
    • 20: Satellite Sensors
    • 21: What Do You Think?
    • 22: Key Points: Measuring Weather
  • Lesson 2.02: Pioneer Weather
    • 1: Title
    • 2: Essential Question
    • 3: Weather Forecasting in Pioneer Days
    • 4: Graded Examination
  • Lesson 2.03: World’s Hottest Temperature Cools a Bit
    • 1: Title
    • 2: Essential Question
    • 3: World’s Hottest Temperature Cools a Bit
    • 4: Graded Examination
    • 5: WeatherSTEM Fusion
  • Lesson 2.04: Weather Forecasting
    • 1: Title
    • 2: Essential Questions
    • 3: How is Weather Predicted?
    • 4: Weather Forecasting
    • 5: Forecast Methods
    • 6: Forecasting Rules of Thumb
    • 7: What Do You Think?
    • 8: What Do You Think?
    • 9: Weather Models
    • 10: U.S. Weather Models
    • 11: How Models are Created
    • 12: Forecast Chart Comparison
    • 13: Why Aren’t Forecasts Always Right?
    • 14: Forecast Difficulty: The Big Picture
    • 15: Predicting Weather
    • 16: WeatherSTEM Fusion: Using Past Weather
    • 17: What Do You Think?
    • 18: What Do You Think?
    • 19: Predicting Weather
    • 20: Graded Examination
    • 21: Key Points: Weather Forecasting
  • Lesson 2.05: Satellite Promises More Accurate Weather Predictions
    • 1: Title
    • 2: Essential Question
    • 2: Satellite Promises More Accurate Weather Predictions
    • 3: Graded Examination
  • Module 2 DBA and Exam
    • 1: DBA and Exam
• Module 3: Severe Weather
  • Module 3 Menu
  • Lesson 3.01: Introduction to Severe Weather
    • 1: Title
    • 2: Essential Question
    • 3: What is Severe Weather?
    • 4: Types of Severe Weather
    • 5: Severe Weather Watches and Warnings
    • 6: What Causes Severe Weather?
    • 7: Key Points: Severe Weather
  • Lesson 3.02: Thunderstorms and Tornadoes
    • 1: Title
    • 2: Essential Question
    • 3: Thunderstorms
    • 4: What Do You Think?
    • 5: Severe Thunderstorms and Hazards
    • 6: Hail
    • 7: Wind
    • 8: Wind
    • 9: Lightning and Thunder
    • 10: Heavy Rains and Flooding
    • 11: Heavy Rains and Flooding
    • 12: What Do You Think?
    • 13: Tornadic Thunderstorms
    • 14: Tornadoes
    • 15: Surveying The Damage
    • 16: Where Do Tornadoes Occur?
    • 17: When Do Tornadoes Occur?
    • 18: Tornado Watches and Warnings
    • 19: Key Points: Thunderstorms and Tornadoes
  • Lesson 3.03: Twister Science
    • 1: Title
    • 2: Twister Science
    • 3: Graded Examination
  • Lesson 3.04: Lightning
    • 1: Title
    • 2: Lightning Facts
    • 3: What is Lightning?
    • 4: How Does Lightning Form?
    • 5: Positive and Negative Lightning
    • 6: Sound of Thunder
    • 7: Wildfires
    • 8: WeatherSTEM Fusion: ZapMap
    • 9: Lightning Safety Precautions
    • 10: Key Points: Lightning
    • 11: Evaluate Your Learning
  • Lesson 3.05: Tropical Storms and Hurricanes
    • 1: Title
    • 2: Essential Questions
    • 3: Tropical Cyclones
    • 4: The Intertropical Convergence Zone (ITCZ)
    • 5: Can you Spot the ITCZ?
    • 6: Tropical Cyclone Seasons Around the World
    • 7: What Do You Think?
    • 8: Disturbances
    • 9: Keeping an Eye on the Oceans
    • 10: The National Hurricane Center (NHC)
    • 11: Hurricane Watches and Warnings
    • 12: Structure of a Hurricane
    • 13: Energy and Tropical Storms
    • 14: What Do You Think?
    • 15: Classification of Tropical Systems
    • 16: Major Hurricanes
    • 17: Major Hurricane Landfalls
    • 18: Tropical Storm and Hurricane Hazards
    • 19: Inland Flooding and Tornadoes from Tropical Weather
    • 20: Key Points
  • Lesson 3.06: Extreme Heat and Drought
    • 1: Title
    • 2: Essential Question
    • 3: Drought
    • 4: What Do You Think?
    • 5: Drought Monitoring
    • 6: Assessing Drought
    • 7: Drought Impacts
    • 8: How Do We Measure Drought?
    • 9: Heat Waves
    • 10: Heat Wave Weather Patterns
    • 11: How Is Heat Measured?
    • 12: Heat Watches and Warnings
    • 13: Human Responses to Heat
    • 14: Heat Related Illnesses
    • 15: Key Points: Extreme Heat and Drought
  • Lesson 3.07: Winter Storms and Windchill
    • 1: Title
    • 2: Essential Questions
    • 3: A Look at Some Winter Storms
    • 4: Wild Winter Storms!
    • 5: What Makes a Winter Storm?
    • 6: Where Do Winter Storms Come From?
    • 7: What Do You Think?
    • 8: The Magic 540 Line
    • 9: How Does the 540 Line Work?
    • 10: What Do You Think?
    • 11: Snow! - Did You Know?
    • 12: Winter Storm Precipitation
    • 13: What Do You Think?
    • 14: What is Windchill?
    • 15: What Do You Think?
    • 16: How Do We Find the Windchill?
    • 17: Heat Stress Forecast - Cattle
    • 18: Understanding Windchill
    • 19: Graded Examination
  • Module 3 DBA and Exam
    • 1: DBA and Exam
• Module 4: Solar Energy
  • Module 4 Menu
  • Lesson 4.01: Exploring the Sun
    • 1: Title
    • 2: Essential Questions
    • 3: What Do You Think?
    • 4: Exploring the Sun
    • 5: Graded Examination
  • Lesson 4.02: Space Weather
    • 1: Title
    • 2: Essential Question
    • 3: Space Weather
    • 4: What Do You Think?
    • 5: Graded Examination
  • Lesson 4.03: Solar Radiation
    • 1: Title
    • 2: Essential Questions
    • 3: Radiation into Heat
    • 4: The Electromagnetic Spectrum
    • 5: Solar Radiation
    • 6: Short and Longwave Radiation
    • 7: Unequal Distribution of Solar Radiation
    • 8: Application - Overhanging Roofs
    • 9: Scattering of Solar Radiation
    • 10: Albedo
    • 11: Earth’s Albedo
    • 12: Variability in Albedo
    • 13: Graded Assignment
    • 14: Key Points: Solar Radiation and the Electromagnetic Spectrum
    • 15: Evaluate Your Learning
  • Lesson 4.04: Daisyworld: Albedo and Feedback
    • 1: Title
    • 2: Albedo on Earth
    • 3: Albedo and Feedback
    • 4: Albedo and Earth’s Heat Budget
    • 5: Graded Examination
    • 6: Key Points: Albedo
  • Lesson 4.05: Radiation and Planets
    • 1: Title
    • 2: Essential Questions
    • 3: Black Bodies and Radiation
    • 4: Temperature and Distance
    • 5: Temperature and Distance: Data
    • 6: Temperature and Distance: A Constant?
    • 7: What Do You Think?
    • 8: What Else Can Effect the Temperature of a Planet?
    • 9: What About Venus?
    • 10: Planetary Atmospheres
    • 11: Key Points: Planetary Temperature
    • 12: Evaluate Your Learning
  • Module 4 DBA and Exam
    • 1: DBA and Exam
• Module 5: Energy Balance
  • Module 5 Menu
  • Lesson 5.01: Heat Transfer in the Earth System
    • 1: Title
    • 2: Essential Questions
    • 3: Energy Transfer
    • 4: What Do You Think?
    • 5: Energy Transformation
    • 6: Energy Systems
    • 7: Heat Energy
    • 8: What Do You Think?
    • 9: Temperature on Earth
    • 10: Net Radiation and Temperature
    • 11: Daytime & Nighttime Radiation
    • 12: Diurnal Temperature Range
    • 13: Thermal Belts
    • 14: Key Points: Heat Transfer
    • 15: Evaluate Your Learning
  • Lesson 5.02: Urban Heat Islands
    • 1: Title
    • 2: Essential Questions
    • 3: Urban Heat Islands
    • 4: Temperature Inversion
    • 5: Graded Examination
  • Lesson 5.03: Earth’s Atmosphere and the Greenhouse Effect
    • 1: Title
    • 2: Essential Question
    • 3: Air and the Atmosphere
    • 4: Earth’s Atmosphere
    • 5: Layers of the Atmosphere
    • 6: What Do You Think?
    • 7: Major Atmospheric Gases
    • 8: What Do These Gases Do?
    • 9: Water In The Atmosphere
    • 10: Minor Atmospheric Gases
    • 11: Greenhouse Gases
    • 12: What Do You Think?
    • 13: Earth’s Energy Budget
    • 14: What Do You Think?
    • 15: Key Points: Earth’s Atmosphere and the Greenhouse Effect
  • Lesson 5.04: Explaining the Greenhouse Effect
    • 1: Title
    • 2: Essential Question
    • 3: Greenhouse Gases Effect on Global Warming
    • 4: Graded Assignment
  • Lesson 5.05: Modeling the Greenhouse Effect
    • 1: Title
    • 2: Essential Question
    • 3: Modeling the Greenhouse Effect
    • 4: Analysis of Data
    • 5: Lab Report Assignment
    • 6: Key Points: Modeling the Greenhouse Effect
  • Module 5 DBA and Exam
    • 1: DBA and Exam
• Midterm Exam
• Module 6: The Atmosphere and Oceans
  • Module 6 Menu
  • Lesson 6.01: Atmospheric Circulation
    • 1: Title
    • 2: Essential Questions
    • 3: How Does Air Move Around the Earth?
    • 4: Global Wind
    • 5: Hadley Cells and Rossby Waves
    • 6: Coriolis Effect
    • 7: Correcting for the Coriolis Effect
    • 8: Ferrel Cells and Polar Cells
    • 9: What Do You Think?
    • 10: Trade Winds and Westerlies
    • 11: You Try It: Trade Routes
    • 12: Jet Streams
    • 13: Longitudinal Circulation
    • 14: Global Winds
    • 15: Key Points: Atmospheric Circulation and Wind
    • 16: Evaluate Your Learning
  • Lesson 6.02: Global Winds
    • 1: Title
    • 2: Essential Question
    • 3: The Power of Wind
    • 4: Wind Direction
    • 5: Wind Direction and Land
    • 6: Prevailing Winds
    • 7: Scales of Motion
    • 8: Wind and Waves
    • 9: Thermal Circulations
    • 10: Application: Sea Breezes and Land Breezes
    • 11: Mountain and Valley Breezes
    • 12: Local Winds and Climate
    • 13: Key Points: Wind And Climate
    • 14: Evaluate Your Learning
  • Lesson 6.03: Ocean Surface Circulation
    • 1: Title
    • 2: Essential Questions
    • 3: The Importance of Ocean Circulation
    • 4: Currents and Drift
    • 5: Ocean Movement
    • 6: Gyres
    • 7: How Do Gyres Affect Climate?
    • 8: Boundary Currents
    • 9: Oceanic Fronts
    • 10: What Do You Think?
    • 11: Currents and Heat Transport
    • 12: Ocean Currents Animation
    • 13: Water Transport and the Ekman Spiral
    • 14: Evaluate Your Learning
    • 15: What Do You Think?
    • 16: Icebergs and the Ekman Spiral
    • 17: Upwelling and Downwelling
    • 18: Effects of Upwelling
    • 19: What Do You Think?
    • 20: Key Points: Ocean Surface Circulation
  • Lesson 6.04: Deep Water Circulation
    • 1: Title
    • 2: Essential Questions
    • 3: Thermohaline Circulations
    • 4: Water and Density
    • 5: How Salty is the Ocean?
    • 6: Salinity and Density
    • 7: Icy Fingers of Death
    • 8: Global Sea Surface Salinity
    • 9: What Do You Think?
    • 10: Global Sea Surface Density Patterns
    • 11: Thermohaline Circulation
    • 12: Thermohaline Circulation and Climate
    • 13: Key Points: Deepwater Circulation
    • 14: Evaluate Your Learning
  • Lesson 6.05: Ocean Currents and Their Global Impact
    • 1: Title
    • 2: Ocean Currents and Their Global Impact
    • 3: Graded Examination
  • Lesson 6.06: El Niño and La Niña
    • 1: Title
    • 2: Essential Question
    • 3: Words to Know…
    • 4: What Controls Weather and Climate?
    • 5: El Niño Southern Oscillation (ENSO)
    • 6: What is El Niño?
    • 7: What Do You Think?
    • 8: ENSO Interactive
    • 9: Monitoring ENSO
    • 10: Current State of ENSO
    • 11: Effects of ENSO
    • 12: Effects of El Niño
    • 13: El Niño Officially Declared for 2015
    • 14: Key Points: El Niño and La Niña
    • 15: Graded Examination
  • Lesson 6.07: The Ocean: A Driving Force for Weather and Climate
    • 1: Title
    • 2: The Ocean: A Driving Force for Weather and Climate
    • 3: Graded Examination
  • Lesson 6.08: The Oceans and the Carbon Cycle
    • 1: Title
    • 2: Essential Questions
    • 3: The Carbon Cycle
    • 4: The Carbon Cycle Game
    • 5: Keeping Up With Carbon
    • 6: Graded Examination
  • Module 6 DBA and Exam
    • 1: DBA and Exam
• Module 7: The Atmosphere and Agriculture
  • Module 7 Menu
  • Lesson 7.01: Introduction to Agrometeorology
    • 1: Title
    • 2: Essential Questions
    • 3: Agriculture
    • 4: Agrometeorology
    • 5: What Do America’s Farmers Grow?
    • 6: Key Points: Agrometeorology
  • Lesson 7.02: The Good and Bad of Agriculture Weather
    • 1: Title
    • 2: Essential Question
    • 3: Temperature: Warm
    • 4: Temperature: Cold
    • 5: Precipitation: Rainfall
    • 6: Precipitation: Snowfall
    • 6: Key Points: The Good and Bad of Agriculture Weather
  • Lesson 7.03: Agricultural Observations and Instruments
    • 1: Title
    • 2: Essential Question
    • 3: Leaf Wetness Sensor
    • 4: WeatherSTEM Fusion - Leaf Wetness
    • 5: Why Measure Leaf Wetness?
    • 6: Leaf Wetness and Irrigation
    • 7: Soil Moisture
    • 8: Soil Moisture - Sensor
    • 9: Measuring Soil Moisture
    • 10: WeatherSTEM Fusion - Soil Moisture
    • 11: Soil Moisture - Monthly Averages
    • 12: Soil Moisture - Current Conditions
    • 13: Soil Temperature
    • 14: Soil Temperature
    • 15: WeatherSTEM Fusion - Soil Temperature
    • 16: Heat Exchange in Soil
    • 17: USDA Plant Hardiness
    • 18: Key Points
  • Lesson 7.04: Meteorological Variables in Agriculture
    • 1: Title
    • 2: Essential Question
    • 3: Sensor Sponsor
    • 4: Graded Assignment
    • 5: Degree Days
    • 6: Cooling and Heating Degree Days
    • 7: Growing Degree Days
    • 8: GDD and Temperature
    • 9: Chill Accumulation
    • 10: Chill Accumulation and Crops
    • 11: Sunshine Hours
    • 12: Drought
    • 13: What Do You Think?
    • 14: Drought Monitoring
    • 15: Impacts From Drought
    • 16: Livestock
    • 17: Heat Stress in Livestock
    • 18: Heat Stress Forecast - Cattle
    • 19: Key Points: Meteorological Variables in Agriculture
  • Lesson 7.05: Climate and Soil Composition
    • 1: Title
    • 2: Essential Questions
    • 3: What is Soil?
    • 4: Graded Assignment
    • 5: Weathering the Parent Material
    • 6: Soil Horizons
    • 7: What Have You Learned?
    • 8: Climate and Soil
    • 9: Climate Zones Review
    • 10: Climate Zones of North America
    • 11: Physical Weathering and Erosion
    • 12: Physical Weathering and Soil
    • 13: Parent Materials
    • 14: Temperature and Soil
    • 15: Figure it out…
    • 16: Soil Properties: Particle Size
    • 17: Soil Properties: Texture
    • 18: Soil Texture Pyramid
    • 19: Key Points: Climate and Soil Composition
    • 20: Evaluate Your Learning!
  • Lesson 7.06: Agriculture in a Changing Climate
    • 1: Title
    • 2: Essential Questions
    • 3: What Is Agriculture?
    • 4: Agriculture and Climate
    • 5: Effects of a Changing Climate
    • 6: Effects on Crops
    • 7: Effects on Livestock
    • 8: Drought and Livestock
    • 9: Fisheries and Aquaculture
    • 10: Effect of Climate Change on Fisheries
    • 11: Catch Potential
    • 12: Key Points: Climate Change and Agriculture
  • Lesson 7.07: Plant Stress Paints Early Picture of Drought
    • 1: Title
    • 2: Essential Question
    • 3: Historical Precipitation Patterns
    • 4: Plant Stress Paints Early Picture of Drought
    • 5: Graded Examination
  • Lesson 7.08: Sustainable Land Use
    • 1: Title
    • 2: Essential Question
    • 3: What Do You Think?
    • 4: Sustainable Land Management in Tajikistan
    • 5: Sustainable Gardening and Agriculture
    • 6: Increasing Sustainability
    • 7: Key Points: Sustainable Land Use
  • Module 7 DBA and Exam
    • 1: DBA and Exam
• Module 8: Weather Over Time
  • Module 8 Menu
  • Lesson 8.01: Global Climate
    • 1: Title
    • 2: What is Climate?
    • 3: What Determines Climate?
    • 4: What Are the Scales of Climate?
    • 5: What Variables Contribute to the Climate of a Geographic Area?
    • 6: Water And Climate
    • 7: The Ancient Greeks
    • 8: Modern Climatic Regions
    • 9: Köppen Climate Classification
    • 10: Thornthwaite’s Climate Zones
    • 11: Exploring the Climate Zones
    • 12: Key Points: Global Climate
    • 13: Evaluate Your Learning
  • Lesson 8.02: Geography and Climate
    • 1: Title
    • 2: Geography and Climate
    • 3: Graded Examination
  • Lesson 8.03: Natural Climate Variability
    • 1: Title
    • 2: Essential Question
    • 3: Earth’s Climate History
    • 4: Climate Forcing
    • 5: Drilling Back to the Future
    • 6: Changing Global Temperatures
    • 7: Earth’s Internal Climate System
    • 8: Milankovitch Cycles
    • 9: Obliquity (Axial Tilt)
    • 10: What Do You Think?
    • 11: Eccentricity (Shape of Earth’s Orbit)
    • 12: Precession (Orientation of Earth’s Axis)
    • 13: Changes in the Sun
    • 14: Sunspots
    • 15: Solar Variability and Climate
    • 16: Climate Spotlight
    • 17: Volcanic Activity and Climate
    • 18: Key Points: Natural Climate Variability
  • Lesson 8.04: Collecting Data From the Past
    • 1: Title
    • 2: Earth’s Climate is Always Changing
    • 3: Climate Fluctuation or Climate Change?
    • 4: What Do You Think?
    • 5: Who Studies Climate?
    • 6: Direct and Indirect Measurements
    • 7: Taking Direct Measurements
    • 8: Indirect Measurement - Proxy Data
    • 9: Answers at the Bottom of the Ocean
    • 10: Dendroclimatology
    • 11: Now You Try It!
    • 12: Digging Deeper: Cross-Dating
    • 13: Span and Resolution
    • 14: What Do You Think?
    • 15: Key Points: Collecting Data From the Past
  • Lesson 8.05: Climate Close-Up: Coral Reefs
    • 1: Title
    • 2: Essential Question
    • 3: Climate Close-Up: Coral Reefs
    • 4: Graded Examination
  • Lesson 8.06: Trade Winds and Global Temperatures
    • 1: Title
    • 2: Essential Question
    • 3: Corals Show How Pacific Tradewinds Guide Global Temperature
    • 4: Graded Examination
  • Lesson 8.07: Reading Ice
    • 1: Title
    • 2: Essential Question
    • 3: How Do We Read the Ice?
    • 4: Graded Examination
  • Lesson 8.08: The Little Ice Age: A Climate Study
    • 1: Title
    • 2: Essential Question
    • 3: Earth’s Past Climate
    • 4: The Little Ice Age
    • 5: Review: Earth’s Energy Budget
    • 6: Review: Albedo, Volcanoes, and Climate
    • 7: Digging Into Data
    • 8: What Do the Data Say? Sunspots
    • 9: What Do the Data Say? Volcanic Activity
    • 10: What Do The Data Say? Tree Growth
    • 11: Graded Examination
  • Module 8 DBA and Exam
    • 1: DBA and Exam
• Module 9: Impacts of Changes in Weather and Climate
  • Module 9 Menu
  • Lesson 9.01: Earth’s Climate Story
    • 1: Title
    • 2: Essential Question
    • 3: Earth’s Climate
    • 4: Who Measures the Earth???s Climate?
    • 5: Earth???s Vitals
    • 6: Global Temperatures
    • 7: Sea Surface Temperature
    • 8: Sea Level Rise
    • 9: Sea Ice
    • 10: Land Ice
    • 11: Melting Glaciers
    • 12: Key Points: Earth’s Climate Story
  • Lesson 9.02: Snowpack and Drought in the Sierra Nevada
    • 1: Title
    • 2: Essential Questions
    • 3: Decreases in Snowpack
    • 4: Snowpack and Drought
    • 5: Graded Examination
  • Lesson 9.03: Carbon and Climate
    • 1: Title
    • 2: Essential Questions
    • 3: Greenhouse Gases and Climate
    • 4: Atmospheric Carbon Dioxide Levels
    • 5: Where Does Carbon Dioxide Come From?
    • 6: Natural Sources of CO₂
    • 7: Seasonal Changes in Carbon Dioxide
    • 8: The Role of Plants
    • 9: A Year in the Life of Earth’s CO₂
    • 10: Evaluate Your Learning
    • 11: Anthropogenic Sources of CO₂
    • 12: Keeling’s Curve: The Story of CO₂
    • 13: What Do You Think?
    • 14: Beyond Mauna Loa
    • 15: Isotopic Fingerprinting of Greenhouse Gases
    • 16: What Do You Think?
    • 17: Key Points: Greenhouse Gases
  • Lesson 9.04: The Big Thaw
    • 1: Title
    • 2: Essential Question
    • 3: The Big Thaw
    • 4: Graded Examination
  • Lesson 9.05: Climate Change and Food Webs
    • 1: Title
    • 2: Essential Question
    • 3: Algae and Marine Food Webs
    • 4: Arctic Food Web: Effects of a Changing Climate
    • 5: Graded Assignment
  • Lesson 9.06: Counting Climate: Challenged Pika
    • 1: Title
    • 2: Essential Question
    • 3: Counting Climate: Challenged Pikas
    • 4: Graded Examination
  • Lesson 9.07: Sea Level Rise
    • 1: Title
    • 2: Essential Question
    • 3: Expedition: Sea Level Rise
    • 4: National Geographic:Sea Level Rise
    • 5: Graded Examination
  • Lesson 9.08: Brutal Winter Caused by Changing Jet Stream
    • 1: Title
    • 2: Essential Question
    • 3: Brutal Winter Caused by Changing Jet Stream
    • 4: Graded Examination
  • Lesson 9.09: Weather, Climate, and Public Health
    • 1: Title
    • 2: Essential Question
    • 3: Weather, Climate and Public Health
    • 4: Atmospheric Pressure
    • 5: Temperature
    • 6: Extreme Heat and Climate Change
    • 7: Seasons
    • 8: Allergies, Pollution, and Climate Change
    • 9: What Do You Think?
    • 10: Rainfall
    • 11: Epidemiology
    • 12: Disease Transmission
    • 13: Are Diseases Affected By Weather And Climate?
    • 14: Infectious Diseases
    • 15: Graded Examination
  • Module 9 DBA and Exam
    • 1: DBA and Exam
• Final Exam