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Matter
Anything that occupies space and has mass
States of matter
Solids
Force of attraction
Strongest in solids
Particle spacing
Least in solids
Kinetic energy
Minimum in solids
Arrangement of particles
Ordered in solids
Interconversion of states
Possible by changing temperature and pressure
Melting
Change from solid to liquid
Melting point
Temperature at which solid turns liquid (e.g.
Boiling
Change from liquid to gas
Boiling point
Temperature at which liquid changes to gas (e.g.
Condensation
Change of gas to liquid on cooling
Fusion
Another name for melting
Latent heat
Heat required to change state without changing temperature
Latent heat is hidden
It is not visible in temperature rise