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Stack #204354
Polymers
| Question | Answer |
|---|---|
| Fluids | are able to flow and change shape |
| Sir Isaac Newton | stated relationship between tempetature and the viscosity of fluids |
| Law of Viscosity | states that only a change in temperature affects the viscosity of a fluid |
| viscosity | liquids naturally resists flow |
| Newtonian fluids | keep their fluid properties no matter how much they are stirred or mixed |
| ketchup, blood,yoguart gravy,mud,slime and pie fillings | examples of non-Newtonian fluids |
| non-newtonian fluids | may creat a hole when stirred, they are very viscous |
| plastic | a substance that can be molded into various shapes before hardening |
| petroleum | a form of crude oil, black gold |
| petroleum | made from plants and animals over time with heat and pressure. |
| all plastics are polymers but... | not all polymers are plastics |
| nonrenewable resource | it cannot be replaced once it is used up |
| fractional distillation | petroleum is separated into useful parts by this process |
| percent of a barrel of crude oil used as gasoline | 46.7% |
| percent of a barrel of crude oil used as petrochemicals | 3.8% |
| Asphalt,fuel,wax,lubricants | common products of petroleum |
| asphalt | main material used for building roads |
| fuel | burns easily and releases large amounts of anergy |
| wax | used in funiture polish and as a coating for milk cartons |
| lubricants | substances that reduce friction between moving parts of equipment |
| petrochemical | a product made from petroleum |
| monomer | a single link in the chain |
| polymer | the entire chain |
| polymerization | the process of chemically bonding monomers to form polymers |
| polymers | have always existed in nature, but have recently been producted by industrial processes |
| synthetic polymers | polymers made from petrochemicals |
| rubber,plastic wrap and nylon | eamples of synthetic polymers |
| plastics | most important synthetic polymers we use everyday |
| cotton, silk,wool and natural rubber | examples of natural polymers |
| protein | a natural polymer essential ingradient in living matter |
| amino acides | monomers that make up protein |
| starch and cellulos | carbohydrates that are polymers |
| glucose | the monomer that makes up starch and cellulose |
| polymers used in medicine for.. | human tissues such as bones and arteries |
| graduated cylinders | used to measure liquids |
| milliliters | how a graduated cylinder is marked |
| menisus | graduated cylinder is measured from the bottom of this |
| white glue(PVA)and sodium tetraborate(borax) | ingredients of silly putty and slime |
Created by:
MattDodge
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