Presentation is loading. Please wait.

Presentation is loading. Please wait.

Technology and Humans.

Similar presentations


Presentation on theme: "Technology and Humans."— Presentation transcript:

1 Technology and Humans

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

3 Answer A. B. C. D. E.

4 Agriculture

5 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.

6 Compare Ploughing What would you rather do?

7 Fertilizing

8 Compare Harvesting What would you rather do?

9 Energy Usage

10 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.

11

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

13 A nuclear power plant.

14 Transportation

15 A freeway in Brazil

16 A freeway in Australia

17 Automobiles

18 The automobile has led to this, lucky us!

19 Was this possible 100 years ago?

20 Airplanes


Download ppt "Technology and Humans."

Similar presentations


Ads by Google