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Geological Extremes Quiz

For each category, name the geological extreme.
Highest mountain = highest above sea level
Last updated: November 04, 2018
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Category
Feature
Highest mountain
Mt. Everest
Highest mountain (Africa)
Mt. Kilimanjaro
Highest mountain (North America)
Mt. McKinley/Denali
Tallest mountain (base to peak)
Mauna Kea
Highest waterfall
Angel Falls
Biggest waterfall
Niagara Falls
Biggest canyon
Grand Canyon
Biggest lake (surface area)
Caspian Sea
Biggest lake
(surface area, freshwater)
Lake Superior
Biggest lake (volume, freshwater)
Lake Baikal
Biggest desert (non-arctic)
Sahara
Driest desert
Atacama
Lowest place (North America)
Death Valley
Category
Feature
Longest river (disputed)
Amazon
Nile
Longest river (North America)
Mississippi
Longest river (Europe)
Volga
Longest river (Asia)
Yangtze
Highest lake (navigable)
Lake Titicaca
Lowest lake
Dead Sea
Biggest island
(not including continents)
Greenland
Biggest island (Caribbean)
Cuba
Biggest island (Mediterranean)
Sicily
Biggest island (Africa)
Madagascar
Deepest ocean trench
Mariana Trench
+1
level 49
Mar 27, 2014
What exactly makes Niagara "biggest"? Height - nope, flow rate - nope. So?
+4
level 67
Mar 27, 2014
Probably the overall volume of water passing through it.
+1
level 34
Mar 27, 2014
or the width of it
+2
level 55
Mar 27, 2014
When you combine the three waterfalls that are collectively known as Niagara Falls, they do have the highest flow rate in the world.
+1
level 54
Mar 27, 2014
Biggest waterfall by flow rate is Lake Victoria
+17
level 41
Nov 18, 2014
A lake that is the biggest waterfall? That is impressive.
+1
level 56
Mar 27, 2014
Victoria Falls would be the largest in terms of volume
+2
level 51
Mar 31, 2014
Let us put this to rest... AVERAGE flow rate for Victoria Falls-1088 cu. meters/second, Iguazu Falls-1756 cu. meters/second, Niagara Falls-2404 cu. meters/second. All three are magnificent to behold, but based on average flow rate I think the quizmaster is correct to label Niagara as the biggest.
+2
level 38
May 13, 2014
It's too bad Sete Quedas got submerged... it was at least 5 times the flow rate of Niagara.
+1
level 21
Mar 27, 2014
The driest desert in the world is the Antartic, seeing as you only specified the biggest as non-arctic.
+1
level 10
Mar 31, 2014
No it isn't. Ice is not dry unless it is dry ice. (pun not intended)
+2
level 43
Apr 11, 2014
The driest place in the world is actually the Mcmurdo dry valleys in Antarctica. There is no snow or ice whatsoever there.
+2
level 16
Jul 26, 2014
A region is classed as a desert because of its precipitation levels not whether it's covered in sand or ice. The Dry Valleys in Antarctica receives no rain making it the driest place in the world
+1
level 43
Jul 31, 2014
Riddlerontheroof. I know that, I was just clarifying to the guy who said ice is not dry.
+2
level 29
Jul 26, 2014
The question was for the driest desert, not driest spot on earth. The Atacama, with an area of 105,000 sq km and an average of 15 mm of precipitation per year, is by far the driest desert in the world. While the McMurdo Dry Valleys have essentially no precipitation, they make up only 4,800 sq km of Antarctica, which considered one continuous desert and averages 166 mm of precipitation annually.
+1
level 80
Mar 27, 2014
The quiz title should really be "Geographical Extremes." Geology is, to put it bluntly, the study of rocks. Items like longest river and biggest desert are geographical extremes - they don't have anything directly to do with underlying rock formations.
+1
level 51
Mar 27, 2014
Yep
+1
level 70
Aug 8, 2018
Don't rivers, mountains, waterfalls, low points, lakes have everything to do with the underlying rock formations? Maybe Deserts don't.
+1
level 20
Mar 27, 2014
Missouri is actually the longest North American river
+1
level ∞
Mar 27, 2014
Somewhat true, which is why I allow Missouri. Strictly speaking, though, the Missouri and Mississippi are part of the same river system.
+1
level 74
Apr 14, 2017
This states it plainly, not "somewhat-ly." https://en.wikipedia.org/wiki/Missouri_River. The clue was not which is the longest NA river system, but the longest river. The Missouri is 2341 miles, the Mississippi is 2202. The correct answer should appear as Missouri. (One more thing we were taught incorrectly when I went to school.)
+1
level ∞
Apr 14, 2017
I don't think it's quite as black and white as that. The length of most rivers is calculated to the distance of their furthest source. I don't see why a special exception should be made for the Mississippi.
+1
level 46
Mar 27, 2014
Nice quiz but way too much stuff from North America.
+1
level 59
Mar 27, 2014
Can't tell if joking........
+1
level 74
Oct 30, 2017
Europeans are very upset that there are continents other than their own.
+1
level 30
Mar 28, 2014
by average flow rate or volume Niagara Falls is the largest, but by largest extreme Iguazu Falls on the Brazilian/ Argentine border is the biggest, by far which reaches twice Niagara's greatest flow.
+1
level 49
Feb 20, 2016
Niagara Falls' flow is approximately 85,000 cubic feet per second whilst Iguazu Falls is only at 62,000.
+1
level 53
Apr 29, 2014
Isn't the Mid Atlantic Trench a bigger canyon than the Grand Canyon?
+1
level 49
Feb 20, 2016
You said it yourself. It's a trench. The quiz asked for a canyon. Canyons are the result of erosion, but trenches are caused by subducting plates.
+2
level 64
Oct 30, 2017
The mid atlantic ridge is a ridge, not a trench. There is a central graben, but by no means is it considered a trench. The subduction zone trenches, such as the Mariana Trench, are generally around the margins of the Pacific ocean basin. There are only a couple of small trenches in the Atlantic.
+1
level 66
Jul 20, 2014
You lot can argue all you want - I got 25/25 with 2:13 remaining.
+1
level 49
Feb 20, 2016
Aw, man. I got 2:10.
+1
level 74
Aug 19, 2014
Missed Mariana Trench because I spelled it wrong - Marianna. Oh, well.
+1
level 57
Sep 30, 2014
mauna Kea is a bit deceiving -- highest base to peak including under the ocean doesn't seem to be what most would talk about with highest base to peak -- and as you can see by the results most aren't getting it. Of course Denali is already there and otherwise is the answer if you don't count submerged mountain . . .
+1
level 44
Sep 30, 2014
Nice quiz
+1
level 19
Oct 9, 2014
I'm pretty surprised a lot of people didn't get Mauna Kea. Also didn't get the Dead Sea, I kept putting Lake Assal. lol
+1
level 72
Oct 27, 2015
That's a pretty hard one to answer, I don't know about you in the USA, but here in France, I heard about it only once, in a volcanology exposition in my youth, and while it saved my perfect on this quiz, I think it's not so common knowledge
+1
level 33
Oct 29, 2015
Fun quiz! Someone should make a geography semantics quiz to make all the commenters' heads explode!!
+1
level 54
Nov 22, 2015
I typed Badwater Basin for lowest point in North America...*facepalm
+1
level 68
Feb 6, 2018
That's correct
+1
level 67
May 31, 2016
Lake Vostok under the ice on Antarctica is the deepest lake at 500 meters below sea level. Good quiz all the same.
+1
level 70
Jun 19, 2016
By any standard I can think of, the Yarlung Tsangpo Canyon is larger than the Grand Canyon (although the former is sometimes also given the epithet 'Grand', so if you are already referring to it, apologies). More debatable candidates for largest also appear to exist beneath the ice in Greenland and Antarctica. Also the Atacama question should probably also receive the qualifier 'non-arctic' as the Sahara one does, as the McMurdo Dry Valleys in Antarctica are drier. Aside from that, good quiz - was glad to see the disputed status of the Nile as world's longest river reflected here, as it very seldom is.
+1
level 67
Oct 9, 2016
biggest canyon is the Tsangpo canyon in China
+1
level 66
Dec 11, 2016
Good quiz, if you liked this try 'Mal's Capital Rivers'...... for a challenge.
+1
level 43
Dec 11, 2016
spelt Mauna Kea wrong 1 short aaahhh so close
+3
level 59
Dec 11, 2016
Marinara Trench didn't work. Must be lunchtime somewhere.
+1
level 77
Feb 22, 2017
copper canyon in mexico I think is larger than the grand:-)
+1
level 49
Oct 19, 2018
This quiz is just an excuse to say Titicaca lol
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