Evolution of Transport — Flashcards

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The invention of the wheel was the first major revolution in transport. Before that, people carried goods on their backs or used animals. The wheel made it easier to move heavy things using carts.

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Early humans rolled heavy objects on logs of wood. They noticed that round things could be moved easily by rolling, which led to the invention of the wheel.

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A wheel is a round object that rotates on an axle. It helps reduce friction and makes it easier to move heavy loads. The first wheels were made from wooden slices with a hole in the center.

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The earliest wheel, dating back to 3500 BCE, was found in Mesopotamia (modern-day Iraq). A wooden wheel from 3200 BCE was also found in Slovenia.

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The wheel made it easier to travel and transport goods. People started using wheeled carts pulled by animals, which helped them carry heavy loads over long distances quickly.

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As settlements grew, people needed to trade goods. With better transport like carts, they could take their goods to faraway markets, leading to trade and travel.

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Early humans used logs, then rafts, and later canoes and boats to cross rivers. Over time, they built larger ships for trade and long journeys.

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A raft is a flat structure made of logs tied together. It was one of the earliest ways people used to float and travel on water.