Chapts 13-14 Flashcards
(31 cards)
Ice covers approximately what percentage of the Earth?
10%
Is there land beneath Antarctica?
Yes – it is one of the 7 continents.
Antarctica’s ice cap is almost ___ _______square miles. It is around ____ miles thick, but up to 3.1 in some parts.
5 million, 1.5
Where can you find the purest form of water there is?
on a Glacier
Why do glaciers have the purest form of water?
Because there is no industry, no air pollution, nothing that is in the air that can rain down its chemicals upon the glaciers.
What do melted glaciers create?
Glacial water, which can sometimes collect and form a glacial lake.
What does frost mean?
crystal or clear
Who saw and understood frost?
the Ancient Greeks
True or false:
A glacier is not a permanent body of frozen water.
False
Can glaciers move?
Yes they can
About ____ of the world’s total glacial ice sits
on Greenland.
10%
About how many people live in the artic?
4 million
Who was the first person to explore glaciers and live to tell about it?
Louis Agassiz
Who was a French scientist, who found a lot of fossils in Switzerland? who also worked with Louis Agassiz.
Georges Cuvier
Who went on to earn a medical degree, but moved to Neuchâtel, Switzerland to be near glaciers he could study?
Agassiz
One year Agassiz made an expedition to study the
glaciers up close, noting huge, ______ ________ (striations) in the valley walls.
Deep Groves
_______ ________ is one place formed by a glacier –
the valley is u-shaped, not V-shaped like you would
find in a canyon carved by a river. This valley is in the
state of New York and is sandwiched between two
mountain ranges.
Mohawk Valley
what was left after the North American Glacier came through and melted?
The Great Lakes
who presented a strong stance on evolution, which said that complex lifeforms grew from nonliving matter – that nothing created something and that eventually that created everything.
Charles Darwin
The world’s longest rivers are the ___ of ____, the ______ of ____ ____, the _________ _________ of _____ _____, and the _______ of Asia.
the Nile of Africa, the Amazon of South America, the Missouri -Mississippi of North America, Yangtze of Asia
about how long is the Nile?
4258 miles
What are some of the things that happened at the shores of the Nile?
The Egyptians gave us Papyrus, sailing vessels, a
baby in a basket, clay vases, tombs, temples,
the Sphinx, the pyramids.
What is the biggest river in the world?
the Amazon
About how long is the Amazon?
4000 miles
