Download - January 29 th , 2014
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January 29th, 2014Happy Wednesday!!!
Do Now: Update TOC: pg 65: Composites Compared to Polymers
Take out list from last nights homework: Look it over and discuss with the person next to you: What type of material was most of the
synthetic polymers you found made out of?
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Look at Figure 5 on pg. 121: Compare and Contrast the Characteristics of each material: (Look at the MaterialsOn pg. 64 in Notebook: List the properties that make them different from each other
Plastics are Synthetic Polymers that can be molded or shaped, and are the most common synthetic polymer.
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What is a characteristic that Natural and Synthetic Polymers have in common?
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Media Player animationshttp://www.csklsc.edu.hk/chemistry/chemistu
dio/frontpage.htm
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January 30, 2014Homework: In TB: Read pgs. 122-123 –(including the timeline -Tech & Design in
History) & pg. 124-125: Starting at Too Many Polymers: List the Benefits and the Problems with synthetic polymers on
pg. 66 in your notebook and write ideas to answer the question: How can these problems be solved?
Do Now: Write Down your homework, Update TOC: Pg. 66 Benefits & Problems: Synthetic Polymers H.W.: Open Notebook to page 62: Open Textbook to page 122
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Pg. 62 Polymer and Composites HW Sheet Answers6) Natural 7) Synthetic 8) Synthetic9) Natural10) C11) D12) A13) E14) B
5) Composites are useful because…?
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Polymers & Composites (Take Notes on pg. 65)
Composites: Combines two or more substances into a new material with different properties:
Many Composite materials contain at least one polymer and can also be either synthetic or natural
One material is the binding material and one is the reinforcement
Examples: Concrete, Bricks, Wood, and Fiber Glass
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Brick Fiber Glass Combines Mud and Straw
Combines thin glass shards & plastics
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Brick is used to make buildings and other structures
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Read Uses of Composites on pg. 124 in TBOn Page 65. in your Notebook:Write down two examples of
composites-- from what you just read. Add if they are Natural or Synthetic
Turn back to your original list of Composites from your search at home: Is there anything on your list you need to add or modify? Please do so…