Gas

State of matter with widely spaced particles.

gas state matter gas

A state of matter characterized by particles that are widely spaced and move freely, allowing the substance to expand indefinitely. Gases have no fixed shape or volume and conform to the shape and size of their container.

/ɡæs/

The word 'gas' comes from the Dutch word 'gans', meaning 'charming, agreeable'.

Gas is like air - it's everywhere and its particles move around freely, unlike solids that stay put.

What is gas? A state of matter with no fixed shape or volume
How does it differ from a solid? Gas particles move much faster and are farther apart than those in a solid
Can gas be compressed? Yes, because the particles have lots of space between them

matter state of matter

oxygen nitrogen helium

matter

natural phenomenon physical state