Science Flashcard on Matter and Mixtures

Front

What is a mixture?

Back

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

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What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture that has a uniform composition throughout, such as sweet tea.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture where the components can be seen and are not uniform, such as salad.

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

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What is a solution?

Back

A solution is a homogeneous mixture where one substance is dissolved in another, like saltwater.

Front

What is a suspension?

Back

A suspension is a heterogeneous mixture where solid particles are suspended in a liquid and can settle over time.

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What is a colloid?

Back

A colloid is a mixture where tiny particles are dispersed throughout a liquid or gas but do not settle out, like milk.

Front

What is the difference between a compound and a mixture?

Back

A compound is made of two or more elements chemically combined, while a mixture is a physical combination of substances.

Front

What is an example of a heterogeneous mixture?

Back

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