Solid

State of matter with a fixed shape and volume.

Solid is one of the three common states of matter, characterized by a fixed shape and volume.

/sɒlɪd/

From Middle English solide, from Latin solidus, meaning 'firm, substantial, sound'.

Solids are like building blocks - they have a definite shape and don't spread out, like ice cubes or rocks.

What is a solid? A solid has a fixed shape and volume
What are solids made of? Solids are made up of tightly packed atoms or molecules
Can solids change shape? No, solids maintain their shape unless acted upon by an external force

firm rigid hard

liquid gas

matter

ice rock wood

atoms molecules

universe

physical state