1. Color: The visual appearance of a substance, such as red, blue, green, or colorless.
2. Density: The mass of a substance per unit volume. It tells us how compact the substance is.
3. Melting Point: The temperature at which a solid changes to a liquid.
4. Boiling Point: The temperature at which a liquid changes to a gas.
5. Solubility: The ability of a substance to dissolve in another substance, usually a liquid.
6. Conductivity: The ability of a substance to conduct heat or electricity.
These are just a few examples; there are many other physical properties that substances can have!
