viernes, 19 de septiembre de 2014

Technology Depleting Resources and Pollution

Connect to these page and read the content:

Technology Depleting Resources and Pollution

Answer to these questions:
  1. When does most of the environmental impact of technology take place?
  2. What takes more enrgy, creating a computer or using it? Give a reason?
  3. List the amount of resources required to build a single computer
  4. Why does Santa_Clara County have more EPA-identified toxic waste sites, called Superfund sites, than anywhere else in the USA.?
  5. What is Technotrash?
  6. What happens to american Technotrash? Who proccesses it?

miércoles, 17 de septiembre de 2014

Technologies timeline

Connect to this page in the internet:
http://www.datesandevents.org/events-timelines/12-technology-timeline.htm
Answer these questions:
  • When did they invent the first known calculator?
  • Where did they invent the suspension bridges?
  • Who invented the microscope? When?
  • Vaccunation was a breaktrouh in medicine. When was it invented? Who did it?
  • When was electric motor invented?
  • In which two centuries have more inventions happened?


miércoles, 26 de marzo de 2014

Electricity

Connect to this link. Read the article and answer
  • What is electricity?
  • What do we mean when we say that electricity is an energy carrier?
  • Give several examples on how electricity has changed our lifes
Electricity for kids 

miércoles, 19 de marzo de 2014

Introduction to electronics

Watch this video and answer

  • Who were the inventors of the transistor?
  • What is the importance of this invention?
  • In Silicon's valley, there is a remarable building. Which is its adress?
  •  Why is this adress important for?
  • Where the iventors of the transistor awarded? How?

miércoles, 19 de febrero de 2014

Mechanisms in real life

You have studied 3 general kind of mechanisms (simple, trnsmission and transforming) and several cases of each one (such as lever, pulley, gears). Find one example of these (i.e. of the lever) in the real life and add a comment about what it is used for and where you found it

martes, 11 de febrero de 2014

How do we waste energy?

In this exercise you have to add a comment on how we waste energy in our enviroment/neighbourhood and give an idea to correct this situation