Here's why:
* Physical properties are observed, not created: Scientists observe and define physical properties like color, density, melting point, etc. They don't invent them.
* Properties are fundamental: Physical properties are based on the structure and composition of matter. They exist whether we are aware of them or not.
* No single inventor: The concept of physical properties developed over time as scientists studied the natural world. It wasn't the work of a single person.
Think of it this way: We didn't invent the color of the sky. We simply observe and understand it. Similarly, we don't invent the melting point of ice. We observe and measure it.