Key terms & definitions

The quantity of electric charge transferred past a point; its symbol is $Q$ and its unit is the coulomb (C).

Separating or restricting the movement of people, goods or vessels that might carry infection to prevent its spread.

The separation or restriction of people who may have an infectious disease, intended to prevent its spread.

Isolating a suspicious file so that it cannot run and cause harm while it is investigated or removed.

An area where livestock movements were restricted to prevent the spread of disease.

The extraction of rock or other materials from the ground in an open excavation.

Meetings of local Justices of the Peace held four times a year to hear cases and conduct local judicial business.

A value dividing ordered data into quarters. The lower quartile is at approximately 25%, the median at 50% and the upper quartile at 75%.

One of the values that divides ordered data into four approximately equal parts. The lower quartile is $Q_1$ and the upper quartile is $Q_3$.

One of the three dividing values that split ordered data into four approximately equal parts.

The geological period covering approximately the last 2.6 million years, characterised by repeated glacial and interglacial periods.

The most recent geological period, beginning about 2.6 million years ago and continuing to the present.

Knowledge-based economic activities involving research, information and the development of new ideas or technologies.

A stanza of four lines.

A structure beside water where vessels can load and unload people and goods.

Boxing rules published in 1867 that required gloves, three-minute rounds and a ten-second count for a knocked-down fighter.

Rapidly cooling heated metal, used in suitable heat treatments to increase hardness.

A request to a database, such as a request to retrieve particular fields from records that meet a condition.

A product with low market share in a high-growth market; also called a problem child.

A set of questions used to collect information from people.

A set of questions used to collect information from respondents.

A set of questions used to collect information from respondents.

A set of questions that participants answer to provide information.

A predetermined set of questions used to collect information from respondents.

A self-report method that collects answers to a set of written questions.

Offering a benefit or service in exchange for information or an action that compromises security; literally 'something for something'.

Stitching through an outer fabric, a central layer of wadding and a backing fabric to create a padded textile.

A stanza containing five lines.

A stanza containing five lines.

A group containing one fifth, or 20%, of a set ranked by a characteristic such as income.