Chemistry Test Review 2025

Front

What is a physical property?

Back

A characteristic of a substance that can be observed or measured without changing its identity, such as mass, volume, and color.

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What happens to particles in a solid?

Back

They are closely packed together and move less freely compared to liquids and gases.

Front

What is the process of boiling?

Back

The transition of a substance from a liquid state to a gas state.

Front

What remains constant during a phase change?

Back

Mass remains constant when a substance changes from solid to liquid to gas.

Front

What is the difference between a solid and a liquid?

Back

Solids have a definite shape and volume, while liquids have a definite volume but take the shape of their container.

Front

What is a gas?

Back

A state of matter that has no definite shape or volume and particles move freely.

Front

What is the definition of mass?

Back

The amount of matter in an object, usually measured in grams or kilograms.

Front

What is a phase change?

Back

A transition of a substance from one state of matter to another, such as melting, freezing, boiling, or condensing.

Front

What is an example of a chemical property?

Back

A characteristic that can only be observed during a chemical reaction, such as flammability or reactivity.