Key terms & definitions

The volume of blood pumped out of the heart with each beat.

An actor belonging to a company that travelled between places to perform, rather than having a permanent theatre.

An acid that is completely ionised in aqueous solution.

An acid that is completely ionised in aqueous solution.

A soluble base that dissociates completely in water to produce hydroxide ions, $\text{OH}^-(aq)$.

A correlation in which the points lie close to the overall trend.

A relationship in which the points closely follow the overall trend. AQA classifies coefficients of $0.6$ or above, or $-0.6$ or below, as strong.

A physical feature of an organism’s body that helps it survive.

A physical part or feature of an organism that helps it survive in its environment.

A sociological approach that explains behaviour through the organisation of society and its institutions.

An obstacle built into social or economic conditions, such as low wages or discrimination, which limits a person's opportunities.

A technique that produces images of the brain’s physical features, such as its size, shape and internal structures.

Features of the way society and the economy are organised that create or maintain poverty, such as unfair wages or unequal access to resources and opportunities.

A way of grouping substances according to the particles present, their arrangement and the bonding or forces between them.

A structural connection in which a later moment recalls an earlier one, encouraging readers to compare them.

An explanation of social outcomes that focuses on the organisation of society, including economic inequalities and access to employment.

Conditions in society, such as the availability of secure jobs and affordable housing, that shape people's opportunities and choices.

A shortened representation that shows the order in which atoms or groups are connected, such as $CH_3CH_2OH$.

An image showing physical features such as the position, shape and density of tissues.

Disadvantage arising from the organisation of society, including its labour market, institutions and distribution of resources.

The ability of an object or structure to remain intact and retain its shape under the loads it is designed to withstand.

A repeated or corresponding event, setting or relationship that invites readers to compare different parts of a text.

A drawing or model used to show selected features of a chemical structure.

A change that overturns an established pattern, such as a usually talkative character becoming silent while a silent character calls after them.

The height, shape and build that the framework of bones gives the body.

A structural arrangement in which later events echo earlier ones, often revealing a significant change.

An explanation that connects behaviour to the organisation of society, such as its class structure and inequalities.

A shift in an economy’s activities and employment towards more productive sectors, such as manufacturing and modern services.

The arrangement and development of a text’s ideas, including its opening, ending, shifts and repetitions.

The deliberate arrangement of ideas, events and details within a text to shape the reader’s experience.