Mixtures and Solutions

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically combined. Examples include salad, air, and sand.

Front

What is a solution?

Back

A solution is a special type of mixture where one substance (the solute) is completely dissolved in another (the solvent). An example is saltwater.

Front

What does it mean to dissolve?

Back

To dissolve means to mix a solid into a liquid so that it forms a solution. For example, when sugar dissolves in tea.

Front

What is a solute?

Back

A solute is the substance that is dissolved in a solution. In saltwater, salt is the solute.

Front

What is a solvent?

Back

A solvent is the substance that dissolves the solute in a solution. In saltwater, water is the solvent.

Front

What is filtration?

Back

Filtration is a process used to separate solids from liquids using a filter. For example, using a colander to separate pasta from water.

Front

What is a sieve?

Back

A sieve is a tool used to separate smaller particles from larger ones, often used in cooking to separate sand from rocks.

Front

What is the difference between a mixture and a solution?

Back

A mixture can be separated by physical means and retains the properties of its components, while a solution is a homogeneous mixture where the solute is dissolved in the solvent.

Front

What is the property of matter that changes when sugar is added to tea?

Back

The taste of the tea changes when sugar is added.

Front

What is the process of separating a mixture called?

Back

The process of separating a mixture can be called separation, and it can involve methods like filtration, sieving, or using a magnet.