7.1 Vocab Flashcard - Open Sci Ed

Front

What is a substance?

Back

A substance is made of one type of material throughout.

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What is a property in the context of a substance?

Back

A property is a different characteristic of a substance that doesn't change.

Front

What is a mixture?

Back

A mixture is a blend of 2 or more substances.

Front

What does the term 'insoluble' describe?

Back

Insoluble describes a material that can NOT dissolve in a substance.

Front

What does the term 'soluble' describe?

Back

Soluble describes a material that can dissolve in a substance.

Front

What is an example of a pure substance?

Back

An example of a pure substance is distilled water.

Front

What is an example of a mixture?

Back

An example of a mixture is saltwater.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

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What is an example of a physical property?

Back

An example of a physical property is color.

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What is an example of a chemical property?

Back

An example of a chemical property is reactivity with acid.