Join the correct optionsOnline version Physical changes by Guillermo Elipe Sanz 1 Physical changes 2 Physical changes 3 Physical changes 4 Physical changes 5 Physical changes Mixtures. When two or more substances are mixed together. Changes of size. When the temperature of an object increases, it gets bigger Change of shape When we apply force to an object, it can change its shape or it can break. Changes of size. Contraction When the temperature of an object decreases, it gets smaller. Change of state There is a change of state but not a change of substance.