Fill in the Blanks MATTEROnline version MATTER by Luz Álvarez Herrero 1 solute solvent heterogeneous substances solution Pure atom mixture molecule Compounds conductor Elements quickly homogeneous slowly insulators An is the smallest particle of matter . A is made when two or more different atoms join together . are made from one type of atom or one type of molecule . are made from atoms . are made from molecules . At low temperatures the water molecules move very . At high temperatures the water molecules move . In a thermal the molecules are free to move about . Thermal are close together and can´t move about . When two substances are mixed together they form a . In a mixture we can´t see the separate substances . In a mixture we can see the separate substances . A homogeneous mixture is also called a . The substance that dissolves is called the and the substance that dissolves it is called the .