Aerosols- when liquids and gas are added to a medium, you create an aerosol. E.g. hairspray.
Foams- when gas’s particles are added to a liquid medium. E.g. whipped cream
Emulsions- when liquid particles combine with a liquid medium. E.g. mayonnaise
Sols- combine solid particles with a liquid medium. E.g. blood
Gels- add liquid particles to solid mediums. It’s more solid to a sol. E.g. toothpaste