States of Matter

Front

What is a solid?

Back

A solid is a state of matter that has a definite volume and a definite shape.

Front

What is the melting point?

Back

The melting point is the characteristic temperature at which a pure solid changes to a liquid.

Front

What is boiling?

Back

Boiling occurs when a liquid changes to a gas below its surface as well as at the surface.

Front

What is a gas?

Back

A gas is a common state of matter that does not have a definite shape or a definite volume.

Front

In which state of matter are particles packed tightly together in fixed positions?

Back

In a solid, particles are packed tightly together in fixed positions.

Front

What is the state of matter with a definite volume but no definite shape?

Back

A liquid has a definite volume but no definite shape.

Front

What happens to the particles in a solid when it melts?

Back

When a solid melts, its particles gain energy and begin to move more freely, transitioning into a liquid state.

Front

What is the process called when a gas changes to a liquid?

Back

The process is called condensation.

Front

What is the state of matter that has neither a definite shape nor a definite volume?

Back

A gas has neither a definite shape nor a definite volume.

Front

What is plasma?

Back

Plasma is a state of matter where gas is energized until atomic electrons are no longer associated with the nucleus.