Separating Mixtures

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically combined.

Front

How can density help you separate a mixture?

Back

Part of the mixture will sink or float.

Front

What is magnetism?

Back

A property that allows certain materials to attract or repel each other.

Front

Can magnetism be used to separate mixtures?

Back

Yes, it can separate magnetic materials from non-magnetic materials.

Front

What is evaporation?

Back

The change of state from liquid to gas.

Front

What happens to salt when it evaporates?

Back

The water evaporates, leaving the salt behind.

Front

What are the properties of salt crystals?

Back

Salt crystals always look square with an X.

Front

What does conservation of matter mean?

Back

Matter can never be destroyed, but it can be changed.

Front

What is filtration?

Back

A process that separates solids from liquids using a filter.

Front

What is a solution?

Back

A mixture where one substance is dissolved in another.