Stickler #8 Review

Front

What is an element?

Back

An element is a substance that cannot be broken down into simpler substances.

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What do elements contain?

Back

Elements contain only one kind of atom.

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What is a chemical change?

Back

A chemical change is a process that results in the formation of new chemical substances, often accompanied by changes in properties such as odor.

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What is a physical change?

Back

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

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What is a mixture?

Back

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

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What is a compound?

Back

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

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What happens during a chemical reaction?

Back

During a chemical reaction, substances undergo a transformation to form new substances with different properties.

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What is an example of a chemical change?

Back

Burning a piece of paper is an example of a chemical change.

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How can you separate a mixture of metal shavings and sand?

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You can use a magnet to separate metal shavings from sand.

Front

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

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A physical change does not change the substance's chemical identity, while a chemical change results in new substances being formed.