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In this learning activity you'll explore Russia's Lake Baikal, the largest lake in the world.
By Virginia Kirsch
Learners read about the five smallest countries in the world: The Vatican, Monaco, Naru, San Marino and Liechtenstein. A brief quiz completes the activity.
In this learning activity you'll read about the history of one of the world's newest nations and test their knowledge with a short quiz.
Students read about the world's active volcanoes that make up the "Ring of Fire." In an interactive exercise, they locate these volcanoes on maps.
Learners read about the world's largest rain forest. A map is provided.