Properties of Matter

Front

What is a chemical property?

Back

A characteristic of a substance that can only be observed during a chemical reaction, such as flammability or reactivity.

Front

What is a physical property?

Back

A characteristic of a substance that can be observed without changing its chemical identity, such as color, boiling point, or melting point.

Front

What is flammability?

Back

The ability of a substance to catch fire and burn.

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What is combustion?

Back

A chemical reaction that occurs when a substance reacts with oxygen to produce heat and light.

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What is a physical change?

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A change that affects one or more physical properties of a substance without altering its chemical composition, such as melting or dissolving.

Front

What is a chemical change?

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A change that results in the formation of new chemical substances, such as rusting or burning.

Front

What is an example of a physical change?

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Salt dissolving in water.

Front

What is boiling point?

Back

The temperature at which a liquid turns into a gas.

Front

What is a sign of a chemical reaction?

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Formation of a gas, change in color, or production of heat.

Front

What is reactivity with water?

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The ability of a substance to undergo a chemical reaction when it comes into contact with water.