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Browse key terms and definitions across all GCSE subjects. Search by keyword or filter by subject and exam board.
23,110 key terms
Skeletal system
The framework of bones that supports the body, protects internal structures and works with muscles to enable movement.
Skeleton
The framework of bones that supports the body, protects organs and works with muscles to allow movement.
Sketch
A small drawing that represents the mathematical information in a question; it need not be accurately scaled unless stated.
Sketch map
A simplified drawing of an area that selects the features relevant to a geographical purpose.
Skew
An asymmetrical distribution in which values extend further on one side than the other.
Skewed distribution
An asymmetrical distribution with a longer tail on one side.
Skewering
Threading pieces of food onto a metal or wooden skewer to hold them together.
Skewer test
A readiness check in which a knife or skewer is inserted into a cake and inspected for uncooked mixture when withdrawn.
Skewness
The asymmetry of a data distribution: values extend further on one side than the other.
(S)khandhas
The five changing aspects that make up a person: form, sensations, perception, mental formations and consciousness.
Skiffle
A musical style popular in 1950s Britain which combined folk, blues and jazz influences and often used inexpensive or homemade instruments.
Skilful action
An ethical action motivated by qualities such as compassion, understanding or generosity, which tends towards happiness rather than suffering.
Skilful means
The use of teachings, stories or practices adapted to people's needs and capacities to help them progress spiritually, particularly emphasised in Mahayana Buddhism.
Skilfulness
Morally wholesome thought or conduct, rooted in non-greed, non-hatred and non-delusion, which supports overcoming suffering.
Skill
A learned action or behaviour that brings about a predetermined result with maximum certainty and minimum time and energy.
Skill classification
The categorisation of sporting skills along continua according to features such as decision making, environmental influence, pacing and muscle groups used.
Skill familiarisation
Rehearsing movements or techniques needed in a particular sport before performing them in training or competition.
Skill rehearsal
Practising movements or skills used in the activity before performing them in training or competition.
Skills gap
A difference between the skills a business needs and the skills its existing employees possess.
Skill shortage
A lack of workers with the knowledge or abilities needed to carry out particular tasks.
Skimming
Reading quickly to establish the overall meaning and locate relevant sections.
Skim-reading
Reading quickly to establish a text’s overall subject, situation and main ideas before examining relevant details closely.
Skin
An outfit or visual appearance applied to a game character.
Skin graft
Moving healthy skin from one part of the body to cover a damaged area elsewhere.
Sky burial
A Tibetan funeral practice in which the dead body is offered to vultures.
Skyline
A strip of promotional material at the top of a newspaper front page, often advertising sections or stories inside.
Slab pull
The gravitational force produced when a dense oceanic plate sinks into the mantle and pulls the rest of the plate behind it.
Slander
A false spoken accusation that damages someone’s reputation.
Slant height
The distance along the curved surface of a right cone from the edge of its base to its vertex.
Slapstick
Humour created through exaggerated physical action, such as comic beatings, falls or chases.
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