science
changes of state are ... changes:
physical
what do particles gain once heated?
energy
what does energy help particles do?
move faster
what does moving faster help the particles overcome
intermolecular forces
particle changes state- what is conserved?
mass
solid->liquid what is this process called?
melting
liquid-> gas, what is this proccess called?
evaporation
most...between particles are...
particles overcome
freezing+ condensation- particles ... and ....
slow down and loose energy