Key terms & definitions

Different responsibilities that work together and are understood as equally important, such as earning an income and caring for children.

The event that an event $A$ does not happen.

An unbroken conducting path around which charge can flow.

Combustion in a plentiful supply of oxygen, so the carbon and hydrogen in a hydrocarbon are fully oxidised to carbon dioxide and water.

Burning with a sufficient oxygen supply; the carbon and hydrogen in a hydrocarbon form carbon dioxide and water.

The average number of live-born children that women born in the same year have had by the end of their childbearing years.

A way of writing a quadratic as $a(x-h)^2+k$, which reveals its turning point and line of symmetry.

Rewriting a quadratic using a squared bracket, such as $x^2+6x+5=(x+3)^2-4$.

The term used in Never Let Me Go for a donor’s death during the donation process. Its apparently neutral wording conceals the violence of that death.

A sentence containing a main clause and at least one subordinate clause.

A skill requiring a lot of decision making and a high level of coordination and thinking.

Following the legal requirements that apply to a business.

Publicly going along with a group while privately disagreeing.

Expenditure incurred by a business to meet legal requirements, such as staff training, safety equipment or legal advice.

Recognition of a problem and the challenges that deepen the narrative or make its solution more difficult.

Involvement in another person’s wrongdoing. Pip fears that stealing the file has indirectly involved him in the attack on Mrs Joe.

An opening in the roof of an atrium that admitted light and allowed rainwater to drain into the pool below.

A force in one chosen direction, usually horizontal or vertical, which forms part of a resolved force.

An individual substance included in a mixture. In a formulation, each component has a particular purpose.

One of the horizontal or vertical movements that together make up a two-dimensional vector.

A separate part used within a product or system, such as a bolt, washer or rivet.

One of two perpendicular forces that together have the same effect as a single original force.

Connecting textile parts using ready-made components, such as zips, buttons, press studs or rivets.

One of two perpendicular forces that together have the same effect as a single force.

An aspect of physical fitness, such as cardiovascular endurance, muscular strength or power.

The horizontal and vertical parts of a vector, written as the top and bottom entries respectively in a two-dimensional column vector.

A simpler familiar shape into which a composite shape can be divided, such as a rectangle, triangle or trapezium.

The stated or nominal electrical property of a component; for a resistor, its resistance measured in ohms ($\Omega$).

A material containing two or more distinguishable materials whose properties work together.

A material made by combining two or more different materials to obtain useful properties.