Look at the objects that are pointed out on the picture. Your job is to work out if they are elements, compounds or mixtures. Smoke Slate on roof The air Glass window Red paint on door Wooden tree trunk Aluminium car body Copper door knob Soil in garden Iron garden gate Remember: • Elements are made up of one type of atom and are found on the Periodic Table. • Compounds are two or more elements chemically joined which cannot easily be separated. • Mixtures can easily be separated.