English National Curriculum - Science Science

1. Explore particle models

Mission Objectives

Describe how the particles are arranged in solids, liquids, and gases and how this arrangement changes during melting, freezing, boiling, and condensing

Explain why some substances have got higher melting and boiling points than others

Describe the limitations of the simple particle model

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Keywords

Words and meanings to learn

particle

The least possible amount.

solid

A body or geometric figure having three dimensions.

liquid

A substance that flows freely but is of constant volume, having a consistency like that of water or oil.

gas

A substance or matter in a state in which it will expand freely to fill the whole of a container, having no fixed shape and no fixed volume.

model

A thing used as an example to follow or imitate.

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