Monday, 23 January 2012

Assignment and new topic

Today we have a tiny bit more to do on the lat assignment before starting work on the next topic.  On paper that you already have in your assignment folders, answer the following questions:

  1. Define relative atomic mass - http://chemistry.about.com/od/chemistryglossary/a/atomicmassdef.htm
  2. Explain why the relative atomic mass of chlorine is 35.5 - http://www.bbc.co.uk/schools/gcsebitesize/science/add_aqa_pre_2011/chemcalc/chemcalc_bothrev2.shtml
Once you've answered these, submit your assignment back to me so I can re-mark them. Next, answer the questions below that relate to the subject we are going to start on today, Humans and the Environment.
  1. How many humans live on the Earth now? - http://www.bbc.co.uk/news/world-15391515
  2. From the link above, write down the number of births while you were on the site -
  3. List  some impacts that we have on the Environment - http://www.bbc.co.uk/schools/gcsebitesize/science/aqa_pre_2011/evolution/humansrev1.shtml
  4. What environmental problems can low-cost housing cause? - http://www.driversofchange.com/housing/introduction/impact-on-environment.html
  5. List three things that people can do in their homes to reduce environmental impacts - http://www.ecohouseagent.com/
Once you're finished, try this activity -  http://www.fife-education.org.uk/energy/IOP/SIM_Energy2/sim-energy.html

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