Every year, Alaska has about 5,000 earthquakes.
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It takes a drop of ocean water more than 1,000 years to circulate around the world.
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There are more than 50,000 earthquakes throughout the world every year!
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It's still possible to see the division between East and West Germany due to different light bulbs.
5
The Atlantic Ocean is saltier than the Pacific Ocean.
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More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
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