Mixtures and Separating Mixtures

Front

What is a mixture?

Back

A mixture is a combination of two or more substances in which no new kinds of matter are formed.

Front

Is the air around us a mixture of gases?

Back

True

Front

What type of mixture has the same composition in every part?

Back

Homogeneous

Front

What type of mixture does NOT have the same composition in every part?

Back

Heterogeneous

Front

Is coffee a solution or a mixture?

Back

Solution

Front

What method would work best to separate a mixture of rocks and sand?

Back

Sieving or filtering.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture that has a uniform composition throughout.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture that does not have a uniform composition throughout.

Front

Can mixtures be separated by physical means?

Back

Yes, mixtures can be separated by physical means such as filtering, sieving, or evaporation.

Front

What is an example of a homogeneous mixture?

Back

Saltwater is an example of a homogeneous mixture.