Australia

/Tag: Australia
21 09, 2017

What is plate tectonics? Earthquakes and volcanoes

By |2019-08-16T08:59:53-07:00September 21st, 2017|Geology|0 Comments

Plate tectonics: The world as seen from space (flattened out) The continents move around 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 [...]

4 08, 2017

European economy in the 1700s

By |2018-04-08T11:14:15-07:00August 4th, 2017|Economy, Modern Europe|0 Comments

Kids in a spinning mill in England During the 1700s AD, the first modern factories opened. At first these were spinning factories to make thread for clothing, blankets, and sheets. Because most adults were busy working on farms, factory owners hired mostly children to work in the spinning factories. In Britain in 1788, two out of three [...]

22 06, 2017

Where do oranges and lemons come from?

By |2019-09-14T06:38:36-07:00June 22nd, 2017|China|8 Comments

Oranges and lemons come from earlier fruits; this is a type of citron called Buddha's Hand Wild ancestors of oranges and lemons The first wild ancestors of oranges and lemons probably evolved in Australia and New Guinea. The first people probably began eating them soon after they arrived in Australia, about 30,000 BC. [...]

26 05, 2017

How do Opossums carry their babies? Biology

By |2018-04-16T08:12:58-07:00May 26th, 2017|Biology - Evolution, from cells to modern mammals, birds, and reptiles|0 Comments

Opossum The earliest mammals, about 200 million years ago, hatched from eggs and then got milk from their mothers, like the duck-billed platypus. But soon after that, about 125 million years ago, these mammals evolved into mammals that were born alive, but helpless and tiny. These tiny babies then lived in a pouch [...]