GEOGRAPHY BASICS
EARTH SYSTEMS & LANDFORMS
WEATHER & CLIMATE
POPULATION & CULTURE
ECONOMICS
100

This subject studies Earth’s physical features and human activity.

What is geography?

100

All of Earth’s water is found in this sphere.

What is the hydrosphere?

100

Short-term atmospheric conditions.

What is weather?

100

The number of people living in a given area.

What is population density?

100

An economy where people make only what they need.

What is a subsistence economy?

200

This geographic theme answers the question “Where is it?”

What is location?

200

The layer of gases surrounding Earth

What is the atmosphere?

200

Long-term weather patterns in a region.

What is climate?

200

The spread of ideas and traditions between cultures

What is cultural diffusion?

200

Farming, fishing, and mining are examples of this level of activity.

What is primary economic activity

300

Lines that run east–west and measure north–south distance.

What is latitude?

300

A raised, flat landform with steep sides.

What is a plateau?

300

The most important factor affecting climate.

What is latitude?

300

People moving from rural areas to cities.

What is urbanization?

300

The type of economy used in the United States.

What is a market economy?

400

The solid outer layer of the Earth.

What is the crust?

400

Wind, water, and ice breaking down rock.

What is weathering?

400

Areas near oceans usually have these temperatures.

What are moderate temperatures?

400

A society made up of many cultural groups.

What is multicultural?

400

Economic activities that use natural resources directly.

What is primary industry?

500

The scientific theory explaining how continents move.

What is plate tectonics?

500

The continuous movement of water through evaporation and precipitation.

What is the water cycle?

500

A very cold biome with little vegetation.

What is tundra?

500

A huge urban area formed by several connected cities.

What is a megalopolis?

500

An economy where individuals decide what to produce and buy.

What is a market economy?

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