Modeling Matter Chapter 1 Flashcard

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

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What is a substance?

Back

A substance is matter that is made of only one kind of atom or molecule.

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What does it mean to attract?

Back

To attract means to pull on an object, even without touching it.

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What is a property in the context of matter?

Back

A property is what you can observe about something that helps you identify or describe it.

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What is evidence in scientific terms?

Back

Evidence is information that supports an answer to a question.

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What are the two main categories of matter?

Back

The two main categories of matter are substances and mixtures.

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

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A physical property can be observed without changing the substance's identity, while a chemical property describes how a substance interacts with other substances.

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What is an example of a physical property?

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An example of a physical property is color, mass, or volume.

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What is an example of a chemical property?

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An example of a chemical property is flammability or reactivity with acid.

Front

What is the law of conservation of mass?

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The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.