The ability to be stretched into a wire;

The ability to resist being scratched or indented;

The ability to be hammered into shape;

The ability to withstand being deformed by a force;

The ability for energy to flow through;

The ability for light to flow through;

The ability for resist wear, especially from weathering...

The opposite of hard;

How compact a material is (mass per unit of volume)..

A materials ability to change between a liquid and molten state...

A materials ability to attract or repulse another material

A materials ability to take in another element such as water, light or heat

A materials ability to deform and then return it its original shape...

The opposite of tough;

The opposite of strong;

The opposite of rigid;

The opposite of a conductor...

A materials ability to deform permanently...