Rocky Mountains

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What is plate tectonics? Earthquakes and volcanoes

By |2018-04-18T09:54:07+00:00September 21st, 2017|Geology|

The world as seen from space (flattened out) When you look at a map of the world, it seems as though it was always like that - North America on top of South America, Europe north of Africa, Australia off at the bottom right. But really all of the dry land on Earth moves around like floating shapes about 60 miles [...]

Earthquakes and algae – the planet Earth

By |2018-05-31T11:49:27+00:00August 18th, 2017|Physics|

Molten lava Most of the molecules that smashed together to make the Earth were iron. The smashing together released a lot of heat, so the whole center of the Earth is made of hot melted iron. Because iron is heavier than most other metals, it sank to the center of the Earth. Lighter molecules like silicon and [...]

American geography and environment – Native Americans

By |2018-04-19T11:28:44+00:00August 8th, 2017|Environment, Native American, North America|

North American environment: The north Most of North America was (and is) just not very good for people to live in. That's why not that many people lived in North America before 1500 AD. In the north, it's too cold to support very many people. The winters are too long to grow crops, and there isn't [...]

Where are the Rocky Mountains?

By |2018-04-21T11:56:41+00:00June 25th, 2017|Geology, North America|

Rocky Mountains The Rocky Mountains stretch all the way from the southern United States north into Canada. They through Utah, Colorado, Wyoming, Montana, and up into Alberta. What we call the Rocky Mountains is really three different mountain chains, one on top of the other. The oldest mountain chain started more than a [...]

Which mountains are the highest?

By |2018-04-21T11:56:41+00:00June 25th, 2017|Geology|

Up in the Alps in Switzerland Which mountains are the highest in the world? Practice graphing and see how much higher some mountain chains are than others. The highest peaks of each mountain range are below: Appalachian Mountains: 2037 meters above sea level Alps: 4810 meters Rocky Mountains: 4399 meters Himalaya Mountains: 8850 [...]

Tertiary period – mammals and mountains

By |2018-08-22T05:19:59+00:00June 25th, 2017|Biology, Geology|

Tertiary period: Large animals evolved like moose Dinosaurs become extinct The Tertiary period begins with the catastrophe that killed off the dinosaurs at the end of the Cretaceous Period, about 65 million years ago. And the Tertiary lasts down to 1.8 million years ago. Mammals become more common With nearly all of the dinosaurs [...]