Unit 3 Review Changes to Matter

Front

What happens to a solid when it dissolves in a liquid?

Back

The solid breaks down into tiny particles that spread throughout the liquid, making a solution.

Front

What is a solution?

Back

A solution is a mixture where one substance (the solute) is completely dissolved in another (the solvent), resulting in a uniform composition.

Front

What is the difference between a mixture and a solution?

Back

A mixture contains two or more substances that are not chemically combined, while a solution is a type of mixture where one substance is dissolved in another.

Front

What is dissolving?

Back

Dissolving is the process where a solid (solute) mixes with a liquid (solvent) to form a solution.

Front

What happens to sugar when it is added to water?

Back

The sugar dissolves in the water, creating a sweet solution.

Front

What is a solute?

Back

A solute is the substance that is dissolved in a solution.

Front

What is a solvent?

Back

A solvent is the substance that dissolves the solute in a solution.

Front

Can you see the particles of a dissolved substance?

Back

No, the particles of a dissolved substance are too small to see.

Front

What is an example of a solid that dissolves in water?

Back

Sugar is an example of a solid that dissolves in water.

Front

What is an example of a solid that does not dissolve in water?

Back

Sand is an example of a solid that does not dissolve in water.