What are Aqa polymers GCSE?

What are Aqa polymers GCSE?

Polymers such as poly(ethene), poly(propene) polystyrene and PVC are made from small compounds called monomers that join together to form very long chains. Polymers are waterproof, resistant to chemicals, and can be moulded, so they have many useful applications as packaging materials, pipes and containers.

What are polymers GCSE Chem?

Polymers are very large molecules made when many smaller molecules join together, end to end. The smaller molecules are called monomers. The polymers formed are called addition polymers.

What is a polymer AQA?

Polymers are molecules made from a large number of monomers joined together. Monosaccharides, amino acids and nucleotides are examples of monomers. A condensation reaction joins two molecules together with the formation of a chemical bond and involves the elimination of a molecule of water.

What are the properties of polymers GCSE?

Properties of polymers

Polymer Properties Uses
Low density poly(ethene), LDPE Flexible, unreactive, can be made into films Most carrier bags, bubble wrap
High density poly(ethene), HDPE Strong, flexible, resists shattering, resists chemical attack Plastic bottles, pipes, buckets

What is a polymer GCSE biology?

Addition polymers are made from molecules containing C=C bonds. Polymers have different properties and uses but it is difficult to dispose of them. DNA, starch and proteins are biological polymers.

What are polymers year 7?

Polymers are made by chemical reactions that join lots of small molecules together to make long molecules. For example, a molecule of poly(ethene) is made by joining thousands of ethene molecules together. Long molecules like these give polymers their properties.

What is a polymer in chemistry BBC Bitesize?

What are polymers ks2?

The term polymer is a composite of the Greek words poly and meros, meaning “many parts.” Polymers are large molecules made of small, repeating molecular building blocks called monomers. The process by which monomers link together to form a molecule of a relatively high molecular mass is known as polymerization.

What are polymers BBC Bitesize?

What is a polymer ks2?

Polymers are very big molecules made up of many smaller molecules layered together in a repeating pattern. In fact, the word polymer is Greek for ‘many parts. ‘ The smaller molecules that come together to form polymers are called monomers–small units that link together over and over to form a large polymer.

What is a polymer example?

Examples of synthetic polymers include nylon, polyethylene, polyester, Teflon, and epoxy. Natural polymers occur in nature and can be extracted. They are often water-based. Examples of naturally occurring polymers are silk, wool, DNA, cellulose and proteins.

What is polymer made of?

A polymer is made up of a number of joined-together monomers. One way of thinking about polymers is like a chain of connected-up paperclips. A polymer is a large molecule made up of smaller, joined-together molecules called monomers.

What is polymer in science?

A polymer is any of a class of natural or synthetic substances composed of very large molecules, called macromolecules, which are multiples of simpler chemical units called monomers. Polymers make up many of the materials in living organisms and are the basis of many minerals and man-made materials.

How do you explain polymers to a child?

What is a polymer in science?