Changes in Matter

Front

What is a state change?

Back

A state change is when a substance changes from one state of matter to another, such as from solid to liquid or liquid to gas.

Front

What happens to an ice cube when it melts?

Back

When an ice cube melts, it undergoes a state change from solid to liquid.

Front

What are particles?

Back

Particles are the small pieces that make up all matter.

Front

What occurs when a material dissolves?

Back

When a material dissolves, it mixes completely with another material, forming a solution.

Front

What is the difference between a substance and a mixture?

Back

A substance cannot be separated into other materials, while a mixture can be separated.

Front

Is salt a substance or a mixture?

Back

Salt is a substance because it cannot be separated into other materials.

Front

What is an example of a state change?

Back

An example of a state change is water freezing into ice or ice melting into water.

Front

What does it mean when we say 'no matter is gained or lost' during a state change?

Back

It means that the total amount of matter remains the same, even though its form may change.

Front

What is condensation?

Back

Condensation is the process where gas turns into a liquid, such as water vapor turning into dew.

Front

What is an example of a mixture?

Back

An example of a mixture is salad, which can be separated into its individual ingredients.