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Vocabulary flashcards for IGCSE Chemistry Topic 1: States of Matter.
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Matter
Everything around us that has mass and occupies space, made up of tiny particles.
Solid
A state of matter with a fixed volume and shape, where particles are tightly packed.
Liquid
A state of matter with a fixed volume but takes the shape of its container; particles can move around a bit.
Gas
A state of matter with no fixed volume, takes the shape of its container; particles move around freely.
Melting
The change of state from a solid to a liquid.
Melting Point
The specific temperature at which a solid turns into a liquid.
Boiling
The change of state from a liquid to a gas, occurring rapidly at the boiling point.
Boiling Point
The specific temperature at which a liquid changes rapidly into a gas.
Evaporation
The change of state from a liquid to a gas, occurring at various temperatures and over time.
Condensing
The change of state from a gas to a liquid, occurring when a gas loses heat.
Freezing
The change of state from a liquid to a solid, occurring at the freezing point.