• Where are the poles?
  The Earth is always spinning on its axis, giving us day and night. ...

• Why are icebergs dangerous to shipping?
  Icebergs are huge chunks of ice that break off from glaciers. They ...

• Does the sea wear away the land?
  Waves wear away soft rocks to form bays, while harder rocks on either ...

• What are magnetic poles?
  The Earth is like a giant magnet, with two magnetic poles. They lie ...

• What are fiords?
  Fiords are deep, steep-sided valleys that wind inland along coasts. ...

• Is the ice around the poles melting?
  In parts of Antarctica, the ice shelves began to melt in the 1990s. ...

• What are erratics?
  Erratics are boulders made of a rock that is different from the rocks ...

• What animals live in polar regions?
  Penguins are the best known animals of Antarctica. Polar bears, ...

• How much of the world is covered by ice?
  Ice covers about 11% of the world's land area. But during the last ...

• What are ice shelves?
  Ice shelves are large blocks of ice joined to Antarctica's ice sheet ...