What type of mountain is Mount Hood, the highest peak in Oregon?

The volcanic Aleutian Islands, stretching west from Alaska, separate the Pacific Ocean from which sea?

In which Canadian territory is Mount Logan, the highest mountain in Canada, located?

In which US state are the Chugach, Wrangell, and Alaska Ranges all located?

The Ring of Fire, a belt of volcanoes and earthquakes, surrounds which ocean?

In which US state does Grand Teton, the centerpiece of the Teton Range, stand?

The volcanic San Francisco Peaks, the highest mountains in Arizona, are located just north of which city?

In which state does Mount Elbert, the highest peak in the Rocky Mountains, stand?

A caldera forms when a volcano does what?

What type of volcano forms a steep, symmetrical cone from layers of lava and ash, like Mount Rainier?