States of Matter Flashcard

Front

What is a gas?

Back

A state of matter where a substance expands to occupy the volume and shape of its container. The particles are fast-moving and can spread apart from each other.

Front

What is a physical change?

Back

A change that alters the physical properties of an object but does not create a new substance.

Front

What is boiling?

Back

The process of changing from a liquid to a gas.

Front

What is a physical change? Give an example.

Back

A change that does not create a new substance. Example: Making a paper airplane.

Front

What is a chemical change? Give an example.

Back

A change that creates a new substance and cannot be undone. Example: Fireworks.

Front

What are the three main states of matter?

Back

Solid, Liquid, Gas.

Front

What happens to particles in a solid?

Back

Particles are closely packed together and vibrate in place.

Front

What happens to particles in a liquid?

Back

Particles are close together but can move past each other, allowing liquids to flow.

Front

What happens to particles in a gas?

Back

Particles are far apart and move freely, filling the container they are in.

Front

What is melting?

Back

The process of changing from a solid to a liquid.