Plastic
* All plastics are at least somewhat polymerized
  - come from petroleum and natural gas
  - release some undetectable fumes, especially when heated
* Build a plastic box or building.
* Many plastics are blended with additives as they are processed into finished products
  - fuels
  - harmful to documents of all types
  - can give off toxins when heated
  - float in water, others sink only slowly when submerged
* Many plastics give off toxins such as methyl chloride, a carcinogen which can leach into the water
  - pose a fire hazard
  - take several decades to decompose
* Most plastic has color
  - consistent color
  - density
  - diameters
  - outer diameters
  - weight
  - is made of petroleum oil
  - plastics act as thermal insulators rather than heat sinks
* Most plastics are insulators
  - non-porous and easily contain both liquids and gasses when tightly closed
  - polymers, substances whose molecules repeat their structure regularly
  - produced from petrochemicals
  - recyclable
* Most plastics contain organic polymers
  - other organic or inorganic compounds blended in
  - the chemicals phenol and formaldehyde
  - waxy plasticisers which provide flexibility
  - deteriorate in full sunlight, but never decompose completely when buried in landfills
* Most plastics used for containers and packaging are optically active
  - electronic enclosures withstand static voltages without arcing through
* Some plastic becomes flexible materials
* Some plastic causes death
  - serious health injuries
  - conducts electricity
  - contains carcinogen
* Some plastic has carbon
  - temperature
  - is more sensitive to paint than others
* Some plastics also have higher solar transmittance than glass
  - alsohave higher solar transmittance than glass
* Some plastics are biodegradable
  - hard and transparent with properties similar to glass
  - heat sensitive and have a tendency to melt and fray when cut
  - highly flammable
  - stretched in processing to hold their shape, such as soft drink bottles
  - become brittle with age and are incompatible with gasoline
* Some plastics can make water taste bad
  - work, some are dangerous because they react with vinegar
* Some plastics contain a carbon based pigment for UV protection
  - carbolic acid
  - chemicals that can leak into foods and interfere with our body's hormones
  - create static electricity with gasoline
* Some plastics even require radiation in order to create the kind of polymer that is desired
  - transmit solar energy more effectively than glass
  - go brittle and crack readily when exposed to the weather
* Some plastics have a lower tensile strength than a paper of the same tear strength
  - markets for recycling
  - stretch and are very flexible
* absorbes a great deal of the energy.
* absorbs odors.
* affects marine life in two ways, by entanglement or ingestion.
* also handle a broader range of applications than does glass
  - maintain air bubbles and prevent turtles diving successfully for their food
* are a major source of dioxins, perhaps the major source
  - rapidly growing segment of the nation's municipal solid waste stream
  - type of polymer
  - very visible part of our environmental litter on beaches, roadsides, and hedgerows
  - chemically unstable and trap moisture, allowing mold and mildew to grow
  - corrosion resistant, and generally waterproof
  - difficult to analyze because of their inertness and resistance to dissolution
  - eaten by many organisms and can cause mechanical injury, strangulation, or starvation
  - everywhere
  - fine as long as they are protected
  - good heat and electrical insulators
  - hydrocarbon products made from crude oil
  - infinitely variable, especially where they have been used in composite materials
  - inherently recyclable because they can be melted again and reformed
  - involved with talc as well
* are lighter and tend to transmit more light than glass
  - than many alternative materials
  - long-chain compounds or polymers derived from petroleum
* are made from carbon polymers
  - man made materials, modern, synthetic
  - of two types
* are one of the safest materials to use in direct contact with photographs
  - organic polymers that have been molded or shaped into different forms
  - persistent, accumulative pollutants
* are polymers, long chainlike molecules composed of simpler units known as monomers
  - molecules that repeat their structure regularly in long chains
  - that is long chain molecules, made from smaller molecules called monomers
  - which are chemical compounds
  - relatively new materials of construction
  - renewable resources, the same as glass, aluminum and paper
  - safe when they are used correctly
  - shatterproof, reducing the risk of injury and breakage
  - sometimes mostly natural , and other kinds are manufactured
  - still in the growth stage
  - strong
* are synthetic materials consisting of molecules called polymers
  - made from oil and natural gas
  - that can be shaped in almost any form
  - polymers which are pliable, lightweight, and cheap to make
  - substances produced by chemical reactions
* are the cause of dioxins and other toxic poisons and, in many cases, are unnece ssary
  - most common inorganic mulches
  - transported and converge in the ocean where currents meet
  - useful and important amorphous solids
* bear heavy costs to the environment.
* becomes debris.
* big contributor to landfill waste.
* biodegrade at highly variable rates.
* broad catch-all word, that describes a lot of different products.
* broad term and includes many types of polymers
  - covering a wide range of properties
* can accumulate a static electric charge.
* can also affect human health
  - entangle ship s propellers, causing economic damage
  - pick up aromas that can be transferred to beer
  - stick to a finish, damaging it when it is pulled up
* can be both thermal and electrical insulators
  - deadly for animals that live in the ocean
  - lighter and stronger than steel
  - rigid when protection is needed, or flexible for convenience's sake
  - rigid, when protection is the main requirement
  - stronger, lighter, cheaper, and easier to cut than glass
  - very resistant to chemicals
  - bestronger, lighter, cheaper, and easier to cut than glass
  - burn
  - entangle marine animals, potentially drowning or otherwise harming the animals
  - harm wildlife, especially aquatic animals
  - jam up in a pet's intestines, and remain invisible to x-rays
  - leach chemicals into the oil
  - make life comfortable and colourful - but plastics also pose dangers
  - sometimes cause discoloration
  - stick, especially if it gets warm
  - withstand high voltages and high temperatures without degradation
* causes entanglement and death for sea animals.
* class of thermoplastic terpolymers including a range of resins.
* come in many shapes and sizes.
* comes from South Korea and Thailand, and chemical materials from Europe
  - oil, and the oil industry is no small operation
* comprise a family of materials.
* contain harmful chemicals that are breathed in or absorbed through the skin.
* contains carbon and, therefore, potential source of contamination.
* contribute to resource conservation from production through end use and disposal.
* conveys the idea of an ability to take any shape.
* cuts off oxygen to the plants and promotes spoilage.
* degrade with prolonged exposure to ultraviolet light.
* deteriorate but never decompose completely, but neither does glass, paper, or aluminum.
* difficult material to recycle.
* do generate static field when there is friction.
* does offer some benefits over silicon.
* draws moisture which causes mold and rot.
* especially are dangerous to our aquatic life.
* five piece band from Wisconsin.
* generate non-biodegradable waste, creating major waste disposal problems.
* generic term for so many different materials that it is difficult to answer.
* grow brittle with time, and that has to be a real concern with plastics used outdoors.
* hard-working, inexpensive alternative.
* has ability
  - attributes
  - good elasticity and high plastic deformation ratio
  - many attributes, including light weight, corrosion resistance and design flexibility
* have a relatively high value per pound, but are bulky and difficult to handle
  - variety of chemical properties
  - contaminants that are released when heated
  - very good dampening properties
* help keep children out of harm's way in a variety of situations.
* help make packaging more efficient, thereby conserving resources
  - portable phones and computers that really are portable
* holds too much moisture and inhibits oxygen exchange, leading to root and trunk rot.
* ignite at a low temperature and can burn quickly.
* is almost infinitely moldable.
* is also a chemical compound
  - fairly easy to clean, although it sometimes takes a long time to dry
* is an artificial polymer material usually made conducting by adding impurities
  - eco-friendly material
  - excellent material for pipes
  - insulator of electricity
  - as smooth as metal
  - basically useless for lenses because of impurities and because it gets scratched up
  - by far the most expensive ingredient in the production of disposable diapers
* is capable of burns
  - melts
  - cheap and comes in a myriad of forms
  - clears
  - created by oil
  - easier to clean and less porous than wood
  - especially dangerous to wild creatures
  - extremely uncomfortable to wear because of the inability to shed heat and perspiration
  - hazardous for seabirds
* is highly resistant to normally used photography chemicals
  - toxic because it leeches so many synthetic estrogens
  - inanimate objects
* is inexpensive, easy to plant and is slower to dry out
  - lightweight, easy to clean, and durable
  - inventions
* is less likely to break, more likely to scratch
  - porous than wood, making it less likely to harbor bacteria, and easier to clean
  - lifeless, cold, hard, and slippery
  - lighter than glass - use it for cups, mixing bowls, even utensils
  - lighter, less expensive and holds water better than terra cotta
* is lightweight, bulky and inexpensive
  - strong, and it floats
* is located in cabinets
  - cars
  - cupboards
  - kitchens
  - recycling bins
  - stores
  - trash
* is made from hydrocarbons found in oil and natural gas
  - petroleum, also known as fossil fuel
* is made of carbon and hydrogen, while iron ore consists of iron and oxygen
  - petroleum, a non-renewable resource
  - more heat retaining than cement
* is much easier to scrub clean than metal
  - softer than glass and needs special treatment
* is no good because oils dissolve it
  - for the soil because soil needs to breath
  - one of the worst types of garbage because many animals mistake it for food
  - power
  - probably the most common material coated
  - relatively light in weight compared with glass, for instance
  - sometimes porous
* is the best material for pots
  - component material of chief value
  - material of the molecular age
  - most abundant solid waste product washed up on beaches
  - only inorganic mulch used in vegetable gardens
  - type of garbage most often found on shores
* is used for cover boats
  - makes
  - toys
  - very difficult to recycle
* is very harmful for marine life
  - soft as compared to other aircraft structural materials
* last indefinitely in the environment.
* major part of household waste.
* make packaging more efficient, which ultimately conserves resources.
* make up almost one tenth of garbage weight and nearly one fifth of volume
  - most of the debris collected during beach cleanups
* milky white linear polyethylene unless noted otherwise.
* modular audio synthesis engine.
* negatively affects wildlife in a number of ways.
* never dies.
* offers a number of important benefits over traditional packaging materials.
* permit molding complex parts in quantities small or large, as needed.
* petroleum-based product.
* play a BIG role in our everyday lives
  - key role in mixing, cooking, packaging and transportion of all types of food
* polymer, and quite abrasive.
* popular and cost-efficient way to collate nails.
* poses one of the greatest and longlasting threats to wildlife.
* protect products from dirt, dust and contamination and keep foods fresher for longer.
* readily fly and float, and decompose very slowly.
* resist push enough to be sturdy solids.
* retains properties.
* shed water and create wasteful runoff.
* simulacrum corresponding only approximately to reality.
* still contains most of the energy in the natural gas from which it was manufactured.
* strong, light-weight material that is easily molded into almost any shape.
* synthetic material based on carbon chemistry
  - that can be molded when soft and formed into a solid shape
* tend to degrade easily on higher elevations
  - tobecome brittle and degrade in sunlight, while organic materials graduallydecompose
* tends to absorb odors more readily than aluminum or other metals
  - retain some of the cleaning agents and disinfectants
  - support the growth of a bacterial scum along the bottom and sides of the container
* transport medium for toxic pollutants.
* valuable commodity because it is an oil or natural gas-based product.
* vary immensely in heat tolerance, hardness, and resiliency.
* very hip material in the fashion world.
* wondrous substance.
+ Conduction: Basic physics ideas
  * Something that energy can easily move through is a good conductor. Metal is a good conductor. An insulator is a poor conductor. An example is rubber. Energy cannot move quickly through an insulator. Plastics are insulators. Some materials, such as glass, are conductors for heat but not electricity.
+ Materials science, Polymers
  * Polymers are also an important part of materials science. They are the raw materials used to make what we commonly call plastics. Plastics are really the final product. They are made when polymers or additives have been added to a resin during processing. The mixture is then shaped into a final form. Common polymers are, include polyethylene, polypropylene, PVC, polystyrene, nylons, polyesters, acrylics, polyurethanes, and polycarbonates.
+ Organic compound, Kinds of organic compounds, Synthetic compounds
  * Synthetic compounds are those made by people. Sometimes, this is done by taking something natural and changing the molecule in a small way, such as making glycerine from vegetable oils. Other compounds are synthesized in long, complicated reactions with many steps. Plastics are sometimes mostly natural, and other kinds are manufactured.