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1. tech definition A. technology: the correct use of tools. B. technology should make life easier and for help us have fun. C. technology should improve our lives. D. does technology always make our life easier or fun. 1. to dependent 2. get addicted to texting 3. could get in car accident

2. ergonomics A. designing objects that help people with their job, environment, sports, safety, or anything that insoles people.

3. system A. a system is an organized way to achieve a goal.

B. a system includes 4 part: 1. input 2. output 3. process 4. feedback

4. trade off A. all systems have a trade offs. 1. intended outcomes 2. unintended outcomes

5. the difference between science and technology. A. science to cusses on the natural world. B. Technology: focuses on the correct use of four make life easier, and more fun.

6. technology also includes inventions and innovations. A. invention: a new product B. innovation: improving an existing product.

7. technology should use resources efficiently A. the 4 r's 1. reduce 2. reuse 3.renew 4.recycle

8. the history of technology. A. argricultural age: up to the 1700s-people used wooden plows. B. industrial age: 1700s to 1950s - people had factories and steam engines. C. information age: 1950s to now - people using computers. 1. made the sharing of information faster and more organized 2. sharing information has made inventions and innovations happen faster.

9. current technologies A. digital electronics 1. uses a binary code - o and 1 to program computers 2. allows us to more a ton of information at one time.

10. resources we use in technology A. natural resources: not man made. B. synthetic resources: man made material.