Key terms & definitions

A material made by combining two or more different materials to give an enhanced combination of properties.

A flat shape formed by combining two or more simpler two-dimensional shapes.

A chart with one bar per category, divided into sections that show each group's contribution to the total.

A chart with bars divided into stacked sections. The whole bar represents a total, and each section represents one component of that total.

A function formed by applying one function to the output of another.

A measure made by combining several indicators into one overall score.

A material made by combining different materials so that useful properties from them are brought together.

A material made by combining different constituent materials so that their properties work together.

An integer greater than 1 that is not prime because it has more than two positive factors.

A shape made by joining two or more simpler shapes.

A three-dimensional solid formed by joining two or more simpler solids, or by removing one solid from another.

A steep-sided volcano built from alternating layers of lava and ash, also called a stratovolcano.

The substances present in something and the proportions of each.

The arrangement of elements in an artwork; it can also mean the finished creative work itself.

The process of creating and organising a literary work, including its language, verse form and arrangement of material.

The elements present in a material and their relative amounts.

The arrangement of people, objects and other visual elements within an image or frame.

The arrangement of people and other visual elements within the frame.

Creating a poem while performing it, using learnt traditional stories, phrases and patterns.

Partly decomposed biological material used as a natural fertiliser for plants and crops.

Capable of biodegrading under specified composting conditions within a specified period, without leaving harmful residues.

The controlled decomposition of organic waste to produce compost.

A substance containing two or more different elements chemically combined.

A substance containing two or more different elements chemically combined in fixed proportions.

Repeated percentage decrease, with each decrease calculated from the amount at the start of that period.

A broken bone associated with an open wound, allowing germs to enter and increasing the danger of infection.

An arrangement with successive gear pairs linked by gears fixed to a shared shaft, allowing the speed ratios of the stages to multiply.

Repeated percentage increase, with each increase calculated from the amount at the start of that period.

Two inequalities combined to place both a lower and an upper restriction on a variable.

Interest calculated on the current balance, so earlier interest can itself earn interest in later periods.