Technology and Humans.

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Technology and Humans SOL WG.2c.

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Presentation transcript:

Technology and Humans

Question How has the use of technology expanded the capacity of people to modify and adapt to their environment?

Answer A. B. C. D. E.

Agriculture

Agriculture Technology has helped agriculture in several ways: People now have tractors and machines that can help them farm. When people use machines to farm it is called mechanized farming. People can make chemical fertilizers that help plants grow faster and bigger. People use pesticides to kill bugs that destroy plants.

Compare Ploughing What would you rather do? http://www.youtube.com/watch?v=vcrEMbCtxfY http://www.youtube.com/watch?v=6CwqtjLEyK0

Fertilizing http://www.youtube.com/watch?v=GbvicpTa79A&feature=related

Compare Harvesting What would you rather do? http://www.youtube.com/watch?v=RwELkLeUYJ0 http://www.youtube.com/watch?v=kVSxyLJZSZc&feature=related

Energy Usage

Energy Usage Most of the power in the world is produced by fossil fuels; coal, oil, and natural gas. Burning fossil fuels causes pollution and there is a limited amount of oil and coal that is available. Nuclear power is another option but many people don’t think nuclear power is safe and it produces radioactive waste.

Notice how the construction of nuclear plants leveled off in the mid 1980s.

A nuclear power plant.

Transportation

A freeway in Brazil

A freeway in Australia

Automobiles

The automobile has led to this, lucky us!

Was this possible 100 years ago? http://www.youtube.com/watch?v=3A-unBigvoY

Airplanes