Type
Crossword
Description

The process of forming a large molecule by linking together smaller subunits Polymerization
A six carbon aromatic compound with alternating C=C double bonds Benzene
One of the small repeating units of a polymer Monomer
The process of growing a polymer chain Propagation
The combination of two molecules through the loss of a smaller molecule such as H2O Condensation
The combination of molecules by sharing electrons with an adjacent molecule Addition
A polymer that springs back after being twisted or pulled Elastomer
The disorder of molecules Entropy
Type of polymer that cannot be reformed or remolded after initial heat-forming Thermoset
Type of polymer that is remoldable when heated Thermoplastic
Natural component of first synthesized plastics Cellulose
Polystyrene produced when the phenol groups alternate on its backbone chain Syndiotactic
Additive that gives plastics flexibility and durability Plasticizer
Component of first the synthesized plastic Nitrate
Component of Safety Celluloid Acetate
Type of polymer formed from two or more repeating monomers Alternating
Without a clearly defined form or shape Amorphous
Type of natural thermoplastic Tortoiseshell
First plastic made from fully synthetic materials Bakelite
Type of rubber formed by heating with sulfur Vulcanized

A Word Quest with Plastics and Polymers Crossword

Type
Crossword
Description

The formal name for a chain reaction polymerization. Addition
The formal name for a step-growth polymerization reaction. Condensation
The name for a molecule, atom or ion with unpaired electrons that initiates addition polymerization. Free Radical
A type of polymer with chains of two or more monomers. Copolymer
The name for a type of copolymer whereby monomers are arranged in turns. This is needed for crystalline polymer forms. Alternating
The second step in addition polymerization whereby the chain grows (the most amount of time is spent here). Propagation
A type of polymer described as "beads on a string with charms". Branched
A step in addition polymerization whereby two free radicals join to create a stable bond. Termination
The term that describes two equal forms of a benzene molecule when single and double bonds alternate around the ring (bond length is 1.5). Resonance
The name of the molecule composed of one benzene ring with one less hydrogen that is always attached to something else. Phenyl
Epoxies are an example of this type of plastic that decomposes before it melts. They are re-used as fillers. Thermoset
Polyethylene is an example of this type of plastic that can be remolded. Thermoplastic
The term to describe the chemical bonds that form between Polyvinyl acetate chains in Borax to produce silly putty. Cross-linked
The name for amorphous polymers with low glass transition temperatures (Tg). Elastomers
A type of plastic with holes between its cross-linked chains. This plastic can swell and absorb water or solvent. Gel
A type of test (qualitative analysis) whereby plastic samples are exposed to an open flame. Hint: A green flame indicates the presence of PVC. Beilstein
Plastic used for ketchup bottles and yogurt or margarine containers. It is identified by the Recycling Number "5". Polypropylene
Composed of amide monomers represented as HNC=O. Hint: Nylon 6 is an example of this polymer. Polyamide
Phenol and formaldehyde react under heat and pressure to produce this plastic. Hint: it was the first plastic made entirely of synthetic components. Bakelite
Used to improve specific properties of plastics such as flexibility or colour, while maintaining other properties. These may migrate as the plastic ages. Additives
A residue that forms on the surface of plastics which is often oily. Blooming
A highly flammable material used as a transparent coating on photographs from 1889-early 1950s. One positive test to distinguish it from other materials is that it turns a deep blue colour in a solution of Diphenylamine with 90% Sulfuric Acid. Cellulose Nitrate
"Vinegar Syndrome" is a telling sign of the decomposition of this material also used to coat photographs starting in the 1920s. Cellulose Acetate

Organic Chemistry Crossword

Type
Crossword
Description

A compound which have the same molecular formula but a different structural formula Isomer
Hydrocarbon having the general formula CnH2n+2 Alkane
Hydrocarbon that contains one or more carbon-carbon double bonds. Alkenes with only one carbon-carbon double bond have the general formula CnH2n Alkene
A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change Catalyst
Reaction of alkenes with hydrogen, water or bromine Addition reaction
An organic acid containing the carboxyl group, -COOH. Carboxylic acid
The chemical name for burning Combustion
The breaking down of long chain hydrocarbon molecules a catalyst to produce smaller hydrocarbon molecules and/or hydrogen. Catalytic cracking
The conversion of glucose by microorganisms such as yeast into ethanol and carbon dioxide. Fermentation
A process that separates the components in a mixture on the bases of their different boiling points Fractional distillation
Organic compounds made up from the elements hydrogen and carbon only Hydrocarbons
A very large molecule built up of a number of repeating units called monomers Polymer
A formula which shows how the atoms are arranged in a molecule Structural formula
A family of organic compounds with members of the family having the same functional group and similar chemical properties Homologous series
The temperature at which a substance boils and turns to vapour Boiling point
A molecule that can be bonded to other identical molecules to form a polymer monomer
A mixture of hydrocarbons present under the earth's crust as a black sticky liquid Crude oil
A group of molecules attached to a backbone chain of a long molecule Side group
Used for fractional distillation of crude oil. Fractioning column
a sweet smelling chemical made by reacting an alcohol with an organic acid Esters

Biomolecules Crossword

Type
Crossword
Description

What biomolecule carries genetic information NucleicAcids
What biomolecule is used for quick energy Carbohydrates
What biomolecule stores long-term energy Lipids
What biomolecule makes muscle Proteins
Sugars, starches, and cellulose Carbohydrates
Fats, oils, wax, cholesterol, cell membrane, and testoserone Lipids
DNA and RNA nucleicacids
Cartilage, meats, nuts, beans, feathers, skin, and hair Proteins
A carbohydrate whose molecules consist of a number of sugar molecules bonded together Polysaccharide
Its simple sugars and its the most basic units of carbohydrates Monosaccharides
It consists of two monosaccharide molecules joined together Disaccharides
Which fatty acid can have one or more bonds unsaturated
Which fatty acid has only single bonds Saturated
Formed from glycerol and three fatty acid groups Triglyceride
What is a lipid that contains a phosphate group in its molecule Phospholipid
What is a large number of amino-acids that are bonded together in a chain Polypeptides
Is a amino acid a polymer or a monomer Monomer
It forms the basic structural unit (base) of nucleic acids Nucleotides
Is DNA or RNA a monomer or polymer polymer
Only biomolecule with nitrogen Proteins

Polymers Crossword

Type
Crossword
Description

What small molecules like ethene are called? monomers
What is the process of joining together molecules like ethene to form long chains of atoms called? polymerisation
What are large molecules consisting of thousands of monomers often called? macromolecule
Which polymer is commonly used for shopping bags and bottles? polythene
Which polymer is commonly used for packing and insulation? polystyrene
Which polymer is commonly used for rope and carpet fibres? polypropene
What type of problem occurs because of dumping non-biodegradable plastics? pollution
Incineration of non-biodegradable plastics causes what to be released? toxins
Two different monomers joined by an ester link are often called? polyesters
What is it called when a water molecule is lost each time 2 starting molecules link up? condensation polymerisation
What link is formed as nylon? amide
What type of bond is between the two carbons? double bond
What type of insulator can polythene be used as? electrical
What can polythene be a substitute for? natural materials
Along with heating and high pressure what else is needed to make polythene? catalyst
Because only one product is formed in polymerisation, what is this process called? addition polymerisation
What polymer is used for non stick frying pans? teflon
What does PVC stand for? polyvinylchloride
Nylon is often woven into? fabric

Biological Molecules Crossword

Type
Crossword
Description

The individual repeating units that make a polymer. Monomer
The type of reaction that uses water to break a bond. Hydrolysis
The type of reaction that yields water and a bond is produced. Condensation
Carbohydrates are made of carbon, oxygen and ___________. Hydrogen
The monomer unit in a carbohydrate. Monosaccharides
The monomer unit in a protein. Amino Acid
The type of bond that joins monomers in a carbohydrate. Glycosidic
The type of bond that joins monomers in a protein. Peptide
The type of bond found in a lipid. Ester
The name of the molecule comprised of glycerol and three fatty acids. Triglyceride
An example of a protein that has a quaternary structure. Collagen
Level of protein structure that involves hydrogen bonds, ionic bonds, disulfide bridges and hydrophobic/hydrophilic interactions between R-groups on the same polypeptide chain. Tertiary
Bonds involved in creating the secondary structure of a protein. Hydrogen
The polysaccharide in starch that is branched. Amylopectin
Example of a carbohydrate that is made of B-glucose monomers. Cellulose
Number of carbon rings in cholesterol. Four

Biology Vocabulary Crossword

Type
Crossword
Description

what is the basic unit of a chemical element? atom
what is a substance consisting of atoms which all have the same number of protons? element
what is the smallest particle in a chemical element or compound that has the chemical properties of that element or compound? molecule
what is a chemical bond formed between two ions with opposite charges? ionic bond
what is a chemical bond formed by the sharing of one or more electrons, especially pairs of electrons, between atoms? covalent bond
What is a weak chemical bond between an electronegative atom, such as fluorine, oxygen, or nitrogen, and a hydrogen atom bound to another electronegative atom? Hydrogen bond
What is the sticking together of alike molecules, such as water molecule being attracted to another water molecule? Cohesion
What is the force of attraction between unlike molecules, or the attraction between the surfaces of contacting bodies? Adhesion
What is a measure of the hydorgen ion concentration of a solution? pH
What is a molecule that can combine with others of the same kind to form a polymer? Monomer
What are large molecules composed of many similar smaller molecules linked together ? Polymer
What is a large complex molecule, such as nucleic acids, proteins, carbohydrates, and lipids, with relatively large molecular weight ? Macromolecule
What are molecular compounds made from just three elements: carbon, hydrogen and oxygen.? Carbohydrate
What is a series of sweet-tasting, crystalline carbohydrates, especially a simple sugar or a chain of two or more simple sugars? Saccharide
what is an organic molecule of biological origin that is insoluble in water and soluble in non-polar solvents ? lipid
What is a molecule composed of polymers of amino acids joined together by peptide bonds.? protein
What are the building blocks of all biological proteins ? Amino acid
What are proteins that act as catalysts within living cells ? Enzyme
What is a substance capable of initiating or speeding up a chemical reaction? catalyst
What is a model that assumes an enzyme and substrate have a rigid interaction with each other, where a substrate fits in a key-like fashion to its lock, the enzyme, turning on the reaction ? Lock and key model
What are acids consist of either one or two long chains of repeating units called nucleotides, which consist of a nitrogen base attached to a sugar phosphate? nucleic acid
what is a chemical reaction that builds up molecules by losing water molecules ? dehydration systhesis
What is a chemical reaction in which two molecules combine to form a larger molecule with the elimination of a small molecule ? condensation reaction

Fantastic Plastic Crossword

Type
Crossword
Description

this is a greek word used to describe plastics Plastikos
what are plastics made from? polymers
plastics dont ........ in water dissolve
when you draw a monomer remember to identify the .......... doubleBond
plastics can ..... animals choke
this plastic can be moulded more than once thermoplastics
An example of a ThermoPlastic Nylon
these plastics can only be moulded once what is it? ThermosetPlastics
An example of a Thermoset Plastic Bakelite
when drawing a monomer remember to transfer the ........... across singleatoms
when several monomers join what is this process called AdditionPolymerisation

Macromolecules Crossword

Type
Crossword
Description

a subunit of a complete molecule? monomer
a large molecule, or macromolecule, made of many monomers bonded together polymer
a molecule composed of carbon, hydrogen, and oxygen, includes sugars and starches carbohydrate
nonpolar molecules, includes fats, oils, and cholesterol lipid
chains of carbon atoms bonded to hydrogen atoms, saturated or unsaturated fatty acids
a polymer made of monomers called amino acids protein
molecules that contain carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur amino acids
a polymer made of monomers called nucleotides, DNA and RNA are genral types of nucleic acids nucleic acid
a substance that is changed by a chemical reaction reactant
substance formed by a chemical reaction product
condition in which reactants and products of a chemical reaction are formed at the same rate equilibrium
chemical reaction that yeilds a net release of energy in the form of heat exothermic
chemical reaction that requires a net input of energy endothermic
a substances that decreases the activation energy needed to start a chemical reaction and, therefore, increases the rate of the chemical reaction catalyst
catalysts for chemical reactions in living things enzyme
a specific reactant that an enzyme acts on substrate

The World of Polymers and Plastics Crossword

Type
Crossword
Description

Small molecules used to synthesize the polynmeric chain Monomer
Involve thousands of atoms and their molecular masses can reach over a million Macromolecules
A type of polymer that is thermoplastic, meaning that it can be melted to a liquid and remolded as it returns to a solid state polyethylene
Are attractions between molecules in the polymer that hold the material together Dispersion forces
Distinctive arrangements of atoms that impart characteristic chemical properties to the molecules that contain them functional groups
Covalent bond that forms between –COOH group of one amino acid and the -NH2 group of the next Peptide Bond
Nylon is another common example of what condensation polymer
A material consisting of any of a wide range of synthetic or semi-synthetic organics that are malleable and can be molded into solid objects of diverse shapes. Plastic
Compounds that are added in small amounts to polymers to make them softer and more pliable. Plasticizers
A polymer formed by the combination of two or more different monomers. copolymer
Monomers from which our body builds protiens. Amino acids
Is either a gas or a substance capable of producing a gas to manufacture a foamed plastic. Blowing Agent
A naturally abundant nutrient carbohydrate, found chiefly in the seeds, fruits, tubers, roots, and stem of plants Starch
An insoluble substance that is the main constituent of plant cell walls and of vegetable fibers such as cotton Cellulose
Condensation polymers that contain the amide functional group Polyamides

Biology Vocabulary Crossword

Type
Crossword
Description

biologically important organic compounds containing amine and carboxylic acid functional groups, along with a side-chain specific to each amino acid. Amino Acids
The main source of energy for animals Animal Carb
Any molecule that is present a living organins Biological Molecule
a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change. Catalyst
Sugars, Pasta, One basic food for a healthy leaving Carbohydrates
An organic compound with the formula n Cellulose
Something that results in high blood prssure Diabetes
Deoxyribonucleic acid DNA
macromolecular biological catalysts Enzymes
A group of any of those occurring as esters in fats and oils. Fatty Acids
Is a test that measures the amount of a sugar in your blood Glucose
a clear colourless viscous sweet-tasting liquid belonging to the alcohol family of organic compounds Glycerol
Is a multibranched polysaccharide of glucose that serves as a form of energy storage in animals and fungi Glycogen
red protein responsible for transporting oxygen in the blood of vertebrates Hemoglobin
incapable of being dissolved Insoluble
The act of separating a body from others by nonconductors so as to prevent the transfer of electricity or of heat also the state of a body so separated Insulation
s a hormone that lowers the level of glucose in t he blood Insulin
comprise a group of naturally occurring molecules that include fats, waxes, sterols, fat-soluble vitamins Lipids
A molecule that may react chemically to another molecule of the same type to form a larger molecule Monomer
containing molecule that has the same chemical properties as a base Nitrogenous Base
consist of either one or two long chains of repeating units called nucleotideswhich consist of a nitrogen base Nucleic Acid
are organic molecules that serve as the monomers or sub units, of nucleic acids like DNA Nucleotide
A membrane bound structure that contains the cell's hereditary information and controls the cell's growth and reproduction Nucleus
A molecule of the kind normally found in living systems Organic Molecule
An element with an atomic weight of 15.96 Oxygen
is a chemical bond formed between two molecules when the carboxyl group of one molecule reacts with the amino group Peptide Bonds
Is an inorganic chemical and a salt of phosphoric acid Phosphate
A lipid containing phospho in a group of molecule phosolipid
Glucose is one of the products of photosynthesis in plants and other photosynthetic organisms Plant Sugar
is a large molecule, or macromolecule, composed of many repeated subunits Polymer