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Chemistry Section A :
Everyday materials and their properties Part 2: Information A. Packaging materials (available as pdf download) All around us we use materials to 'package' substances. (Store or put things in) In class you will have seen a selection of packaging materials like in the picture below:
Select five different types of packaging and for each one, name the material used and give a reason for that material being used. Put your answers in a table like the one below
From your materials selected you should be able to classify them into 3 groups. What do you think are the 3 groups? B. Classifying Materials (available as pdf download) We can classify materials into 3 groups 1. Metals. Examples iron, copper aluminium etc.. Metals will be looked at in more detail in section 3 "A Closer Look at Metals." 2. Organic materials Examples: Plastics, paper and carton (cardboard). Also includes fibres. There are many types of plastics and because they have quite long names an abbreviation is used.
3. Ceramics Examples: Glass, porcelain and clay
C. Examples with descriptions
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© Linda Noan 2009 |
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