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Cards In This Set
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What is the meaning of matter?
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Anything that has mass and takes up space.
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True/False? Air is not considered matter because it is invisible
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False - you know it is there when you feel a cool breeze on your face or watch bubbles rise in a fish tank.
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What is energy?
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The ability to do work or cause change.
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What is chemistry?
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The study of properties of matter and how matter changes.
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What are two groups of properties and used to identify, describe, and classify matter?
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Physical and chemical properties
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A single kind of matter that has distinct physical and chemical properties is called a _______ .
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Substance
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Physical property is a characteristic of a substance that can be observed __________________________.
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Without changing the substance into something else.
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Matter can be ____, ____, or _____ .
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Solid, liquid, gas
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Examples of physical properties include: h____, t____, c____, and t____ at which a solid ____ or a liquid ____.
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Hardness, texture, color, and temperature at which a solid melts or a liquid boils.
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Every sample of pure water boils at ____ degrees Celcius.
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100
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Chemical property is a characteristics that is observed when a ______ ______ with ______ ______.
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When a substance interacts with another substance.
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Burning, or flammability, is a chemical property of the substances in wood, but not a property of ____ .
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Iron
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What is an element?
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A substance that cannot be broken down into any other substances by chemical or physical means.
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What is a compound?
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Substance made of two or more elements chemically combined in a set ratio, or proportion.
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Table sugar is an example of a _________.
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Compound
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