Most composites are made of two materials.
Name the two parts of a composite.
Fibreglass is made from short glass fibres held in a polymer resin.
Name the part of fibreglass that is the reinforcement.
Concrete is a composite made from cement, sand and small stones.
Name the part of concrete that is the matrix.
Give one use of a composite material.
Explain why a boat hull is made from fibreglass rather than from the polymer resin on its own.
40 exam-style questions on AQA GCSE Chemistry 10.3 Using materials, covering 10.3.1 Corrosion and its prevention, 10.3.2 Alloys as useful materials, and 10.3.3 Ceramics, polymers and composites. Each one has a worked solution and a mark scheme showing where the marks go.