Q 01/05

Which national park, also famed for its brown bears, lies directly south of Lake Clark?

A) Denali

B) Katmai

C) Kenai Fjords

D) Glacier Bay

Answer · why

B) Katmai

Katmai. Lake Clark sits directly to its north, and each July Katmai's bears crowd Brooks Falls to catch salmon as they leap upstream.

Q 02/05

Lake Clark's two active volcanoes are part of which volcanic zone?

A) The Ring of Fire

B) The Cascade Arc

C) The Yellowstone hotspot

D) The Mid-Atlantic Ridge

Answer · why

A) The Ring of Fire

The Ring of Fire. Ash from Alaska's stretch of it blows straight across some of the world's busiest air routes, so scientists keep watch on these volc...

Q 03/05

What carved the basins of Lake Clark and the other long lakes on the national park's western side?

A) Volcanic eruptions

B) Glaciers

C) Meteorite impacts

D) Earthquake faults

Answer · why

B) Glaciers

Glaciers. Rivers of ice gouged the valleys and, as they melted back about 12,000 years ago, left ridges of rubble that dam the lakes and hollows that ...

Q 04/05

What happened to KLM Flight 867 when it flew into Redoubt Volcano's ash cloud in December 1989?

A) Lightning struck it

B) Its windows shattered

C) All four engines failed

D) Its cabin lost pressure

Answer · why

C) All four engines failed

All four engines failed. The jumbo jet fell more than two miles before the crew restarted them and landed at Anchorage; nobody was hurt, but repairs c...

Q 05/05

Lake Clark is named after John W. Clark, who was what?

A) A governor of Alaska

B) A trader at Nushagak

C) A whaling captain

D) A gold-rush geologist

Answer · why

B) A trader at Nushagak

A trader at Nushagak. In 1891 a journalist on a winter expedition reached the lake and named it for his travelling companion, who had lived in western...