Where are the Ural Mountains?
Ural Mountains in Russia Ural Mountains in Central Asia The Ural Mountains run from north to south through Central Asia. They separate Europe from Asia. Like the Appalachian Mountains, the [...]
25
06, 2017
25
06, 2017
Where are the Rocky Mountains?
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 [...]
25
06, 2017
Where are the Appalachian mountains?
The Appalachian Mountains When did the Appalachian Mountains form? About 300 million years ago, near the end of the Carboniferous period, when the first reptiles were evolving, the tectonic plates [...]
23
06, 2017
Carboniferous Period – Geology
Dragonfly When was the Carboniferous period? With the end of the Devonian period about 359 million years ago, the Carboniferous period got started. More about the Devonian Quick summary of [...]
1
06, 2017
What is carbon dioxide? Molecules and Chemistry
Tobacco plants growing put carbon dioxide molecules back into the air - like all plants What is carbon dioxide made of? Carbon dioxide is one of the simplest and commonest [...]
1
06, 2017
History of Coal – Central Asian science
History of coal: These are lumps of coal What is coal made of? Most of the coal on Earth formed during the Carboniferous Period about 350 million years ago, when [...]
30
05, 2017
What are conifers? Pine trees, gymnosperms
Pine trees - A Spruce tree is a type of gymnosperm and conifer Too dry for ferns and moss Near the end of the Carboniferous period, about 300 million years [...]
29
05, 2017
What are ferns? Plant biology and evolution
What are ferns? Ferns growing in a forest When did ferns evolve? The first ferns - the first plants that had leaves - evolved from plants that were more like [...]
29
05, 2017
What are cycads? Evolution and Biology
Cycad trees. They look like palm trees but they are very different! At the end of the Carboniferous period, about 300 million years ago, the only kinds of plants on [...]
26
05, 2017
Mollusks and cephalopods – Biology
Evolution of mollusks: Slugs are a kind of mollusk. When did the first mollusks appear? Mollusks are animals like mussels, clams, snails and slugs. Their name means "soft", because mollusks don't have [...]
