Physical and Chemical Changes

exothermic reaction

endothermic reaction

reversible reaction

substitution reaction

hydrogen

oxygen

nitrogen

carbon

volume and surface area

volume and mass

surface area and mass

volume and shape

amines

alkanes

hydrocarbons

alcohols

carbohydrates

hydrocarbons

alkanes

alkenes

space between particles

collision of particles

movement of particles

force of attraction between particles

NH

NH

NH

NH

plastic and rubber

rubber and wool

wool and plastic

wood and plastic

black coating of plastic

bakelite

solid kerosene plastic

plastic with cellulose

carbohydrates

fats

hydrocarbons

metals