That depends on the temperature. At normal Earth surface temperatures, sand is a solid. Heat it up and it becomes a liquid, heat if further and it will vaporize.
it is a solid
sand is solid if you look in the microscope it's solid
sand is solid if you look in the microscope it's solid
sand is solid if you look in the microscope it's solid
Sand is a solid, made up of tiny particles of rocks and minerals. It does not flow like a liquid or disperse like a gas.
sand is solid if you look in the microscope it's solid
Sand is a solid material made up of small rock and mineral particles. It is not a gas or a liquid.
Sand is a solid.
Sand is a solid, not a liquid.
Sand is a solid, not a liquid.
What evidence is there that it isn't?! It is neither a liquid nor a gas.
Solid