Exploring Antarctica's Hidden World

What percentage of Earth's freshwater is contained in Antarctica's ice?

• 10%

• 60%

• 90%

• 30%

If all of Antarctica's ice melted, by how much would global sea levels rise?

• 120 feet

• 60 feet

• 240 feet

• 30 feet

What is the name of the tallest mountain in Antarctica?

• Mount Everest

• Mount Vinson

• Mount Kilimanjaro

• Mount McKinley

How does the newly discovered river in Antarctica compare to the River Thames in terms of flow speed?

• It flows three times faster

• It flows slower

• It flows twice as fast

• It flows at the same speed

What type of life forms have been found under Antarctica's ice?

• Reptiles and amphibians

• Fish and whales

• Microbes and amphipods

• Only penguins and seals

What is the significance of the discoveries in Antarctica for the search for extraterrestrial life?

• They provide hope for life on other planets

• They suggest life cannot exist elsewhere

• They confirm life exists on Mars

• They have no significance

What is the thermohaline circulation?

• A global current system

• A type of ocean wave

• A type of glacier movement

• A weather pattern

What could happen to the Gulf Stream if too much freshwater enters the ocean?

• It could speed up

• It could slow down

• It could change direction

• It could shut down

What is isostatic rebound?

• The sinking of land under ice

• The formation of glaciers

• The rising of land after ice melts

• The melting of ice

What recent discovery on Ross Island suggests the potential for life on other planets?

• A new species of penguin

• A large freshwater lake

• Volcanic ice caves with complex life

• A new type of glacier