Mixtures and Separating Mixtures

Front

What is a mixture?

Back

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

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What is a solution?

Back

A solution is a special type of mixture where one substance is dissolved in another. For example, saltwater is a solution of salt dissolved in water.

Front

What is the purpose of filter paper?

Back

Filter paper is used to separate solids from liquids in a mixture. It allows liquid to pass through while trapping solid particles.

Front

What is a magnet used for in separating mixtures?

Back

A magnet is used to attract and separate magnetic materials, like iron filings, from non-magnetic materials, like sand.

Front

What is evaporation?

Back

Evaporation is the process of turning a liquid into vapor. It can be used to separate a liquid from a solid in a mixture.

Front

What is a sieve?

Back

A sieve is a tool used to separate larger particles from smaller ones or to separate solids from liquids.

Front

How can you separate sand from gravel?

Back

You can use a sieve to separate sand from gravel, as the sand will pass through the holes while the gravel remains.

Front

What is the difference between a mixture and a compound?

Back

A mixture is made of two or more substances that can be separated, while a compound is a substance formed when two or more elements chemically combine.

Front

What is filtration?

Back

Filtration is a method used to separate solids from liquids by passing the mixture through a filter.

Front

What is an example of a heterogeneous mixture?

Back

An example of a heterogeneous mixture is a salad, where the different ingredients can be seen and separated.