Internal Energy and Changes of State

kinetic energy

A change in state occurs if the substance is heated enough- the particles will have enough energy in their ________ stores to break the bonds holding them together.

stored by the particles

internal energy is the energy________ that make up a system

mass

change of state conserves_____

melting

solid to liquid is_______

freezing

liquid to solid is__

boiling/evaporating

liquid to gas is____

condensing

gas to liquid is_____

sublimating

solid to gas is__

heated enough, so particles can break the bonds

change in state occurs

kinetic energy + potential energy stores

Particles have_______+__________