Separating Mixtures

Front

What is a Mixture?

Back

A combination of two or more materials that can be easily separated by some physical means.

Front

True or False: A mixture must have at least two different materials.

Back

True

Front

True or False: You can use your hands or tweezers to separate salt from water.

Back

False

Front

What is the best method to separate salt from water?

Back

Evaporation.

Front

What method can be used to separate metal shavings from sand?

Back

Using a magnet.

Front

What is a solution?

Back

A mixture where one substance is completely dissolved in another.

Front

What is filtration?

Back

A method to separate solids from liquids using a filter.

Front

What is evaporation?

Back

The process of turning liquid into vapor, used to separate dissolved solids from liquids.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without changing its chemical composition.

Front

What is a homogeneous mixture?

Back

A mixture that has a uniform composition throughout.