Earth & Environment

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Geography, geology, ecology and the climate of our planet.

Topics

Geography73 practices Geology22 practices Ecology12 practices Climate12 practices

Geography

73 practices
Crash Course Geography Physical Geography & Earth's Four Spheres 20 questions Play Crash Course Geography What Does the Atmosphere Do? 20 questions Play Crash Course Geography How Does Air Temperature Shape a Place? 20 questions Play Crash Course Geography What Is a Cloud? (Part 1: Cloud Types) 15 questions Play Crash Course Geography What Is a Cloud? (Part 2: Humidity & Condensation) 20 questions Play Crash Course Geography How Do Oceans Circulate? (Part 1: Surface Currents) 20 questions Play Crash Course Geography How Do Oceans Circulate? (Part 2: Deep Currents & Ocean Pollution) 14 questions Play Crash Course Geography Where Does Wind Come From? (Part 1: Global Wind Patterns) 20 questions Play Crash Course Geography Where Does Wind Come From? (Part 2: Pressure Systems & Wind History) 17 questions Play Crash Course Geography Precipitation & Water (Part 1: Where Precipitation Falls) 17 questions Play Crash Course Geography Precipitation & Water (Part 2: Water Rights on the Colorado River) 17 questions Play Crash Course Geography Cyclones & Weather Systems (Part 1: Air Masses, Fronts & Mid-Latitude Cyclones) 19 questions Play Crash Course Geography Cyclones & Weather Systems (Part 2: Hurricanes & Coastal Risk) 17 questions Play Crash Course Geography How Do We Classify Climates? (Part 1: Weather, Climate & Mountain Zones) 16 questions Play Crash Course Geography How Do We Classify Climates? (Part 2: Geo-literacy, El Niño & the Köppen System) 17 questions Play Crash Course Geography What Are Ecosystems? (Part 1: Energy Flows & Biomes) 15 questions Play Crash Course Geography What Are Ecosystems? (Part 2: Nutrient Cycles & the Rainforest) 15 questions Play Crash Course Geography What Are Ecosystems? (Part 3: Slash-and-Burn & Deforestation) 14 questions Play Crash Course Geography Population & Food (Part 1: Food Chains & Population) 14 questions Play Crash Course Geography Population & Food (Part 2: Diets, Farming & Solutions) 17 questions Play Crash Course Geography What Is Soil (and Why Is It Important)? (Part 1: The Aral Sea & Soil Layers) 19 questions Play Crash Course Geography What Is Soil (and Why Is It Important)? (Part 2: Soil Loss & Soils Around the World) 16 questions Play Crash Course Geography What Are Rocks and How Do They Form? (Part 1: Earth's Layers) 10 questions Play Crash Course Geography What Are Rocks and How Do They Form? (Part 2: Igneous Rocks & the Himalayas) 10 questions Play Crash Course Geography What Are Rocks and How Do They Form? (Part 3: Weathering, Sedimentary & Metamorphic Rocks) 14 questions Play Crash Course Geography The Plate Tectonics Revolution (Part 1: From Continental Drift to Seafloor Spreading) 14 questions Play Crash Course Geography The Plate Tectonics Revolution (Part 2: Subduction, Plate Boundaries & What's Next) 16 questions Play Crash Course Geography How Does the Earth Create Different Landforms? (Part 1: Earth's Cycles, Endogenic Processes & Faulting) 14 questions Play Crash Course Geography How Does the Earth Create Different Landforms? (Part 2: Folding, Mountain Building & Erosion) 15 questions Play Crash Course Geography What Are Volcanoes? (Part 1: Predicting Eruptions & Hot Spots) 14 questions Play Crash Course Geography What Are Volcanoes? (Part 2: Shield vs. Composite Volcanoes & Undersea Eruptions) 16 questions Play Crash Course Geography What is Weathering? (Part 1: Weathering, Erosion & Mechanical Weathering) 14 questions Play Crash Course Geography What is Weathering? (Part 2: Chemical Weathering, Caves & Biological Weathering) 15 questions Play Crash Course Geography How Rivers Shape the Landscape (Part 1: Where River Water Comes From & Drainage Basins) 12 questions Play Crash Course Geography How Rivers Shape the Landscape (Part 2: Stream Energy, a River's Course & Meanders) 14 questions Play Crash Course Geography Why Does Jakarta Flood So Easily? (Part 1: Floodplains, Stream Flow & Java) 11 questions Play Crash Course Geography Why Does Jakarta Flood So Easily? (Part 2: Why Jakarta Floods & the Value of Wetlands) 14 questions Play Crash Course Geography Groundwater & the Israeli-Palestinian Conflict (Part 1: How Groundwater Works) 12 questions Play Crash Course Geography Groundwater & the Israeli-Palestinian Conflict (Part 2: Shared Aquifers & Hydropolitics) 13 questions Play Crash Course Geography What Are Glaciers? (Part 1: Glaciers, Ice Ages & How Ice Flows) 13 questions Play Crash Course Geography What Are Glaciers? (Part 2: Glacial Landforms & Our Icy Future) 13 questions Play Crash Course Geography Natural Hazards 17 questions Play Crash Course Geography What is Human Geography? 16 questions Play Crash Course Geography Race, Ethnicity, and the Cultural Landscape (Part 1: Culture & the Cultural Landscape) 9 questions Play Crash Course Geography Race, Ethnicity, and the Cultural Landscape (Part 2: Cultural Mixing, Race & Power) 13 questions Play Crash Course Geography How Does Language Move? 18 questions Play Crash Course Geography How Did Religion Spread Along the Silk Road? (Part 1: The Silk Roads, Worldviews & Ptolemy's Map) 10 questions Play Crash Course Geography How Did Religion Spread Along the Silk Road? (Part 2: Ethnic & Universal Religions and Types of Diffusion) 12 questions Play Crash Course Geography Where and Why Do People Move? (Part 1: Push & Pull Factors and Indian Migration to Trinidad) 11 questions Play Crash Course Geography Where and Why Do People Move? (Part 2: Refugees, Diasporas & Types of Migration) 13 questions Play Crash Course Geography How Populations Grow and Change (Part 1: Malthus, Boserup & Carrying Capacity) 11 questions Play Crash Course Geography How Populations Grow and Change (Part 2: The Demographic Transition & Birth Rates) 12 questions Play Crash Course Geography How Does Disease Move? (Part 1: Types of Disease & the Haiti Cholera Outbreak) 10 questions Play Crash Course Geography How Does Disease Move? (Part 2: Tracking Disease & Access to Healthcare) 10 questions Play Crash Course Geography Tyranny of the Map 17 questions Play Crash Course Geography What Holds a Country Together or Tears it Apart? (Part 1: Centripetal & Centrifugal Forces) 10 questions Play Crash Course Geography What Holds a Country Together or Tears it Apart? (Part 2: Shatter Belts, Cold War, Populism & Nationalism) 9 questions Play Crash Course Geography What are the Patterns of Border Conflicts? (Part 1: Types of Boundaries & the Shape of States) 9 questions Play Crash Course Geography What are the Patterns of Border Conflicts? (Part 2: Balkanization, Proxy Wars & the Sea) 10 questions Play Crash Course Geography Capitalism, Communism, & Political Economies 17 questions Play Crash Course Geography Colonialism 17 questions Play Crash Course Geography What is a "Developed" Country? 16 questions Play Crash Course Geography Agribusiness, GMOs, and their Role in Development 17 questions Play Crash Course Geography Why is There Uneven Access to Food? (Part 1: Hunger, Domestication & the Columbian Exchange) 10 questions Play Crash Course Geography Why is There Uneven Access to Food? (Part 2: Agricultural Revolutions & Food Access Today) 11 questions Play Crash Course Geography How Do We Produce Food? (Part 1: Types of Agricultural Ecosystems) 9 questions Play Crash Course Geography How Do We Produce Food? (Part 2: Globalized Agriculture in the Philippines) 12 questions Play Crash Course Geography Mineral Extraction 16 questions Play Crash Course Geography Why are People Moving to Cities? 16 questions Play Crash Course Geography How Are Cities Organized? 17 questions Play Crash Course Geography What is Urban Planning? 16 questions Play Crash Course Geography How did Detroit Become the Motor City? (Industrial Geography) 16 questions Play Crash Course Geography Sustainable Cities 17 questions Play

Geology

22 practices
Crash Course Geology Intro to Geology 17 questions Play Crash Course Geology How did Earth form? 17 questions Play Crash Course Geology Earth's Crust and Mantle Explained 17 questions Play Crash Course Geology What's at the center of the earth? 18 questions Play Crash Course Geology How Do Minerals Form? 15 questions Play Crash Course Geology The Rock Episode 17 questions Play Crash Course Geology How Do Gems Form? 17 questions Play Crash Course Geology Where Do Diamonds Come From? 18 questions Play Crash Course Geology How Water Shapes the Land 18 questions Play Crash Course Geology What is Plate Tectonics 18 questions Play Crash Course Geology How Do Mountains Form? 17 questions Play Crash Course Geology The Deepest Point in the World 19 questions Play Crash Course Geology Volcanoes Explained 18 questions Play Crash Course Geology Earthquakes Explained 17 questions Play Crash Course Geology Is it Possible to Prepare for an Earthquake? 17 questions Play Crash Course Geology The Mystery Behind Earth's Missing Rocks 17 questions Play Crash Course Geology How old is the Earth? 16 questions Play Crash Course Geology How Do Fossils Form? 16 questions Play Crash Course Geology The Future of Glaciers 18 questions Play Crash Course Geology How Often do Asteroids Hit the Earth? 17 questions Play Crash Course Geology What is Geothermal Energy? 17 questions Play Crash Course Geology How do we Mine Minerals? 17 questions Play

Ecology

12 practices
Crash Course Ecology The History of Life on Earth 20 questions Play Crash Course Ecology Population Ecology: The Texas Mosquito Mystery 19 questions Play Crash Course Ecology Human Population Growth 18 questions Play Crash Course Ecology Community Ecology: Feel the Love 18 questions Play Crash Course Ecology Community Ecology II: Predators 17 questions Play Crash Course Ecology Ecological Succession: Change is Good 18 questions Play Crash Course Ecology Ecosystem Ecology: Links in the Chain 17 questions Play Crash Course Ecology The Hydrologic and Carbon Cycles: Always Recycle! 18 questions Play Crash Course Ecology Nitrogen & Phosphorus Cycles: Always Recycle! Part 2 17 questions Play Crash Course Ecology 5 Human Impacts on the Environment 16 questions Play Crash Course Ecology Pollution 18 questions Play Crash Course Ecology Conservation and Restoration Ecology 18 questions Play

Climate

12 practices
Crash Course Climate & Energy Can We Capture Greenhouse Gases? 15 questions Play Crash Course Climate & Energy How Will Climate Change Continue to Affect Us? 16 questions Play Crash Course Climate & Energy Are Natural Disasters Actually Natural? (Climate Justice) 15 questions Play Crash Course Climate & Energy Can We Make Electricity Without Fossil Fuels? 18 questions Play Crash Course Climate & Energy Can We Gas Up... Without Gas? 16 questions Play Crash Course Climate & Energy Can We Keep Warm and Stay Cool Without Fossil Fuels? 18 questions Play Crash Course Climate & Energy The Hidden Price of Climate Change 16 questions Play Crash Course Climate & Energy International Climate Agreements 15 questions Play Crash Course Climate & Energy How Can We Respond to Climate Change? 15 questions Play Crash Course Climate & Energy How Can We Store Renewable Energy? 16 questions Play Crash Course Climate & Energy What is Climate Change? 18 questions Play Crash Course Climate & Energy Why Do We Release So Much Gas? 17 questions Play
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