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