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:
- Define relative atomic mass - http://chemistry.about.com/od/chemistryglossary/a/atomicmassdef.htm
- 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.
- How many humans live on the Earth now? - http://www.bbc.co.uk/news/world-15391515
- From the link above, write down the number of births while you were on the site -
- List some impacts that we have on the Environment - http://www.bbc.co.uk/schools/gcsebitesize/science/aqa_pre_2011/evolution/humansrev1.shtml
- What environmental problems can low-cost housing cause? - http://www.driversofchange.com/housing/introduction/impact-on-environment.html
- 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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