A desert is an ____________ region with little or no vegetation.
A glacier is a slow moving mass of ________________.
A peninsula is surrounded by water on _______________ sides.
A volcano is an opening in the earth's ________________ through which molten lava and gases erupt.
A swamp is characterized by the presence of _____________.
An archipelago is a group of many ________________.
A basin is a natural _______________________ in the surface of the land.
A reef is a submerged ridge of rock or _______________ near the surface of the water.
Which of the following is NOT one of the Great Lakes?
Which of the following countries does NOT border the Bay of Bengal?
The English Channel is the world's busiest __________________.
Mount Vesuvius is the only volcano to have erupted in the last ____________ years in mainland Europe.
Over one million ________________ migrate through the Serengeti Plain (savanna) in early fall.
The Sahara Desert is nearly the size of the entire _______________ ____________.
The Panama Canal, built through the isthmus of Panama, allowed ships to sail directly from the Atlantic Ocean to the ____________ Ocean, or vice versa.
The Nile River is considered the ___________________ river on earth.
Nearly ___________ million people live along the Nile River Delta.
The archipelago of Indonesia contains more than _______________ islands.
Sydney Harbor was originally discovered by Captain ____________ ________ in 1770.
The Amazon Rainforest is home to _____________ million species of insects.
At ________________ feet above sea level, Mt. Everest is the highest point on earth.
______________ _____ _____________ was the first European explorer to sail around the Cape of Good Hope and into Africa.
Victoria Falls is approximately _______________ as wide and deep as Niagara Falls.
________________ Sound is actually the world's longest fjord.
The Everglades, a huge system of marshes, swamps, and sloughs is the only place in the world where alligators and ___________________ live together.
Mariana Trench is the ________________ point on earth.
The Andes Mountain Range is the world's _________________ mountain range.
_______________________, located in the Andes Mountain Range, is the highest point in the western hemisphere.
The Great Rift Valley features over __________ active volcanoes.
About ______________ miles of caves have been mapped as part of the Mammoth Cave system.