Match 'em up False? or True A solid A compound A liquid An element Read these statements about atoms, elements and compounds and decide whether they are true or false. Iron contains only one type of atom. There are more non-elements than elements. All elements are solids. An apple is an element. Very few elements are liquids at room temperature. Water is an element: it is made up of water and oxygen atoms. The carbon atoms in you have been on Earth since it was first formed. All gases are elements. Wood is a compound. The symbol for sodium is So. All metals are elements. Compounds always contain different types of atoms. Everything on Earth is made of atoms. Lead atoms are heavier than helium atoms. There are about 1000 different elements in existence. Match 'em up Match the pictures to the correct text boxes. A solid A compound A liquid An element A gas A compound