What was the significance of the Nile River in Egyptian civilization?

It provided water for agriculture

It was a barrier against invaders

What is the significance of the Heavy Plough in European agriculture?

Turned European agriculture and economy on its head

The ard, ard plough, or scratch plough is a simple light plough without a mouldboard. It is symmetrical on either side of its line of draft and is fitted with a symmetrical share that traces a shallow furrow but does not invert the soil.

Professor Thomas Bernebeck Anderson = University of Denmark

What are the origins and uses of Gunpowder?

Accidental: mixed charcoal, sulfur and potassium nitrate black powder

Created by alchemist to achieve immortality – Elixir of Life

Huoyao – Chinese term meaning fire potion

Produce heat and gas in an instant

What role did Silk play in Chinese culture?

Used to make paper and clothing

Opened China to the outside world

Cultural, economic and scientific exchanges

Bridged gap between the west and the middle kingdom

What is the process of Tea Production?

Tea = beverage produced from pouring hot boiling water over crushed or shredded dried tea leaves.

Chinese inventor created a machine that shreds tea leaves into strips

China is known for tea exportation and has since become the most popular beverage in the world.

What are the characteristics of the Great Wall of China?

Once considered to be the only man-made structure visible from space.

Largest and most extensive structure built in China.

Pride of the nation and crowning glory

What is the historical significance of Paper Money?

Replaced the use of gold and silver as currencies

An offshoot of the invention of block printing; stamping

Paper money are convenient to carry around especially for merchants

What are the features of the Spinning Wheel?

Used for transforming fiber into thread or yarn and eventually to cloth

Invented by Indians (6th-11th century)

Breakthrough of linen production

Science and Technology Overview

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