Matching Pairs Properties of matterOnline version Match each property with the correct definition. by Isabel Parejo 1 RESISTANCE 2 CONDUCTIVITY 3 FLEXIBILITY 4 HARDNESS 5 MASS 6 DENSITY 7 MATTER 8 VOLUME 9 ELASTICITY the amount of matter in an object when it is difficult to break it. the ability of substances to conduct or transfer heat is everything around us that has mass and volume the amount of matter in a volume. It also explains why some objects float and others sink. the scratch-resistance of a solid you can bend it without breaking the space that matter occupies the ability to returns to its original shape, when the force stops.