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Great inventions
Great inventions change the world. They help people live a better life. The following are three of the most important inventions in history.
Great inventions
Great inventions change the world. They help people live a better life. The following are three of the most important inventions in history.
The wheel is perhaps the greatest invention in history. After its invention, travelling became faster and more comfortable. A few thousand years ago, people started to use wheels on carriages. In the early 19th century, the first trains began to carry passengers. At the start of the 20th century, cars became popular. Without the wheel, we would not have these inventions.
The wheel is a great invention. It's great.
The wheel is a great invention. People use wheels on carriages, trains and cars. It is important.
The wheel
The wheel is perhaps the greatest invention in history. After its invention, travelling became faster and more comfortable. A few thousand years ago, people started to use wheels on carriages. In the early 19th century, the first trains began to carry passengers. At the start of the 20th century, cars became popular. Without the wheel, we would not have these inventions.
Great inventions
Great inventions change the world. They help people live a better life. The following are three of the most important inventions in history.
The light bulb
Thomas Edison developed the first practical light bulb in 1879. Before the invention of the light bulb, people had to use oil lamps, gas lamps or candles to see at night. With light bulbs, people can do as many things in the evenings as they can in the daytime. Can you imagine living without them?
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The wheel
The wheel is perhaps the greatest invention in history. After its invention, travelling became faster and more comfortable. A few thousand years ago, people started to use wheels on carriages. In the early 19th century, the first trains began to carry passengers. At the start of the 20th century, cars became popular. Without the wheel, we would not have these inventions.
Read and underline the useful expressions to introduce an invention.
basic introduction: what, who, when.
uses&development
importance
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The light bulb
Thomas Edison developed the first practical light bulb in 1879. Before the invention of the light bulb, people had to use oil lamps, gas lamps or candles to see at night. With light bulbs, people can do as many things in the evenings as they can in the daytime. Can you imagine living without them?