•92 vocabulary words with definitionsWords Included: Land bridge, prime meridian, artifacts, latitude, city-state, continental drift, longitude, empire, migration, equator, hemisphere, prehistory, indigenous, plate tectonics, archaeology, fossils, Andes, arctic, civilization, climate, erosion, geology, global warming, historical fiction, Ice Age, innovation, Inuit, maritime, Pangaea, Rainforest, Rocky Mountains, social class, tundra, urbanization, values, wigwam, woodlands, Yukon, infographic, g