Key terms & definitions

An urban area with more than 10 million residents.

An Athenian measure, associated with Pericles and usually dated to about 432 BC, excluding Megarians from Athenian markets and harbours controlled by Athens.

The principal hall of a Mycenaean palace, approached through a porch and vestibule and containing a central hearth.

A gathering involving music or poetry. Papa’s musical gatherings connect the family and their friends with their cultural heritage.

Hitler’s book, meaning ‘My Struggle’, which set out his political aims and racist beliefs.

A type of cell division in reproductive organs that produces genetically different gametes with a single set of chromosomes.

A type of cell division in which genetic information is copied and the cell divides twice, producing four genetically different cells with half the original chromosome number.

A fair or communal gathering, which may combine religious remembrance with social and cultural activities.

A persistent sadness or tendency towards sorrow; Antonio’s melancholy shapes his presentation from the opening scene.

A hormone whose release normally increases at night, helping signal that it is time to sleep.

A dramatic mode that uses heightened emotions and intense personal conflicts to make relationships and moral dilemmas especially powerful.

The change of state from a solid to a liquid.

The change from a solid to a liquid.

The change of state from solid to liquid.

The temperature at which a substance changes from solid to liquid.

The temperature at which a substance changes from a solid to a liquid.

The temperature at which a solid becomes liquid. An alloy may melt over a temperature range.

The interval between the temperature at which a sample starts melting and the temperature at which it has completely melted.

The interval between the temperature at which melting first begins and the temperature at which all the solid has melted.

An elected politician who represents a constituency in the House of Commons.

An elected member of the House of Commons who represents a constituency.

An elected representative who serves in the House of Commons and represents a constituency.

A separation technique using a membrane with very small pores that allows water to pass while retaining selected particles or dissolved substances.

Separation using a membrane that allows some substances to pass through while retaining others.

A reminder that human life ends in death, encouraging reflection on how life should be lived.

An account in which someone recalls their experiences, either orally or in writing; it may have been produced long after the events.

An account in which a writer recalls particular experiences or a period of their own life.

A structure, marker or place that honours and preserves the memory of someone who has died.

A value identifying a particular location in memory, rather than the contents stored there.

The CPU register that holds the address of the memory location being accessed to read or write data or instructions.