What Are Solids Used For?

What Are Solids Used For? Solids can be hard (cement, for example) or soft (gold); brittle (eggshells), malleable (copper), or elastic (rubber); heavy (lead) or light (balsa wood). Some solids are good conductors of heat and electricity; others are insulators. What are 3 things about solids? –Solids have definite volumes and definite shapes. -Solids cannot