Physical and Chemical Changes

kinetic energy

potential energy

force of attraction

pressure on atoms

expand more than liquids

expand more than gases but less than liquids

expand more than liquids but less than gases

expand less than both liquids and gases

taken in

given out

given out or taken in

transferred

dual side reaction

dual side process

reversible reaction

reversible process

has solids only

has liquids only

has gases only

has solids and liquids both

only if boiled

hardly

more than solids but less than gases

more than gases but less than solids

nature made

self made

man made

ion-made

carbon dioxide

nitrogen

hydrogen

oxygen

green

brown

white

yellow

nitrogen and phosphorus

nitrogen and oxygen

sulphur and iron

magnesium and nitrogen