Levers – Simple machines – Physics
Levers: An orangutan child using a stick as a lever What is a lever? A lever is basically just a long stick that you push or pull against a fulcrum [...]
17
08, 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 Himalaya Mountains? India
Himalaya Mountains India breaks off of Africa About 55 million years ago, plate tectonics made the land that is now India break off from what is now Africa. At this [...]
25
06, 2017
Where are the Alps? Mountains in Europe
The Alps Where are the Alps? The Alps are a long row of mountains dividing southern Europe from northern Europe. France and Germany are on one side of the Alps, [...]
25
06, 2017
Tertiary period – mammals and mountains
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 [...]
28
05, 2017
Reptile and Mammal Skeletons – Evolution and Biology
Evolution of skeletons: Skeleton of a dinosaur Evolution of skeletons From frogs, there evolved reptiles like crocodiles and dinosaurs. Some of these reptiles lived mostly or entirely on land, so [...]
26
05, 2017
Early Humans – Evolution Science
Early humans: Skeleton of early human Lucy, from about 3.2 million years ago When did the first humans evolve? About six million years ago, the earliest people evolved from earlier [...]
