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Transcript

the Four Great Inventions of Ancient China

paper making

gunpowder

But ancient Chinese preferred to make it into fireworks,not arms.

printing

compass

With a ship and a compass, people explored the unknown world at that time.

These four inventions once influenced the whole world, had promoted the advancing of human history.

Gunpowder is a mixing of some specific minerals.

Printing plays an important part in creating ideology.

It was began to applied to military affairs in Tang Dynasty,about 1400 years ago.

The more advanced printing technology is, the more people can receive education.

compass is really useful in navigation.

Papermaking is China's contribution to the civilization of the world.

Without papermaking, many great works wouldn't pass down

the society wouldn't develop so quickly

our lives wouldn't be what they are today.

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