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32 Cards in this Set
- Front
- Back
Biodegradeable
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capable of being decomposed into simpler molecules by natural decay
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Renewable Resource
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materials in nature that can be remade in short periods of time
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Physical Property
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an intrinsic property of a material, such as density, melting pint, or hardness; describes how something looks
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Flammable
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easily ignited
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Elasticity
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Ability of a material to stretch and then return to its original shape
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Trade - Off
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a balancing of factors
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Floatable
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plastics that are less dense than water
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Hydrocarbons
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molecules mostly composed of hydrogen and carbon atoms
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Opaque
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not able to transmit light
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Thermoplastic
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plastics that can continually be formed and reshaped with heat and pressure
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Translucent
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transmitting light diffusely; semitransparent
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Transparent
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the ability to transmit light clearly so that an object can be seen through a substance
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Density
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relationship between mass and volume of a substance
Mass/ Volume = Density |
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Molecule
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smallest unit of matter that retains its physical and chemical properties
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Monomer
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the repeating individual molecules that form a polymer chain
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Polymer
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A very large molecule made of many repeating small molecular units bonded together
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Buoyancy
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ability of an object to float in water
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Thermosetting
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heat applied to plastics that CANNOT be reshaped once formed
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Bonding
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the electrostatic attraction between atoms to form a stable unit, such as a molecule
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Cross-Linking
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a process in which chemical links are set up in polymer chains
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Crude Oil
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a fossil fuel: also known as petroleum, typically refers to oil taken directly out of the ground
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Energy
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a quantity possessed by an object or a system, which gives it the capability to do work, or change the condition of matter
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Feedstock
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the raw or starting materials
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Fiber
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a slender and greatly elongated natural or synthetic filament capable of being spun into yarn
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Natural Polymer
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polymer's found in the environment
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Petroleum
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a fossil fuel: also know as crude oil, typically refers to oil during and after industrial processing
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Polymerization
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the process of linking monomers together
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Products
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the new materials that will change during a chemical reaction
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Synthesize
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the process of bringing together different elements to create a new molecule
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Synthetic
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produced by chemical reactions in a laboratory rather than through natural processes
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Viscosity
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a materials resistance to flow
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Waste Stream
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general term used to denote the discarded material output of an area, location, or facility
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