hardness, how hard a material is and how well it resists scratching or denting., ductility, the ability of a material to be stretched into thin wires without breaking., mass, the amount of matter in an object, which makes it heavy or light., density, how much mass is in a certain space or volume., elasticity, the ability of a material to return to its original shape after being stretched or pulled., fusibility, the ability of a substance to change from solid to liquid when heated., volume, the amount of space that an object takes up., conductivity, the ability of a material to let electricity or heat pass through it., malleability, the ability of a material to be shaped or bent without breaking., strength, how much force a material can handle before it breaks or changes., absorbency, the ability of a material to take in liquids., fabric, a material made by weaving threads together, often used for clothes., shear, a force that makes parts slide past each other., toughness, the ability to stay strong and not break easily., performance, how well something works or does its job., lifespan, the time something lasts before it stops working., liquids, substances that flow and take the shape of their container., tension, a force that pulls things apart or stretches them., resistance, the ability to stop or slow down something from happening., gases, substances that spread out and fill any space they are in., particles, very small pieces that make up everything around us., compression, a force that pushes things together to make them smaller., solids, materials that keep their shape and do not change easily., matter, anything that takes up space and has weight., material science, the study of different types of matter and how they work..

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