Chemistry Vocab

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Observation is the act of using our senses to collect or record data.

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The act of using our senses to collect or record data.

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An atom is...

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The basic unit of matter that defines a chemical element.

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A molecule is...

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Two or more atoms, chemically bonded together.

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NGSS.MS-PS1-1

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Properties are...

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Unique characteristics that help identify a substance and distinguish one substance from another.

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NGSS.MS-PS1-2

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A substance is made of one type of material (atoms or molecules) throughout.

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Made of one type of material (atoms or molecules) all the way through.

Tags

NGSS.MS-PS1-1

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A mixture is made of more than one substance (or more than one type of atom or molecule).

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Made of more than one substance (or more than one type of atom or molecule).

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A chemical reaction is the process where substances interact to form new substances with different properties.

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The process where substances interact to form new substances with different properties.

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

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A reactant is the substances you start with in a chemical reaction.

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The substances that you start with, which undergo a chemical reaction.

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A product is the substances that you ended with, which underwent a chemical reaction.

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The substances that you ended with, which underwent a chemical reaction.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

A chemical formula is a set of chemical symbols in a compound, represented by elements and numbers.

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A set of chemical symbols in a compound, represented by elements and numbers.

Tags

NGSS.MS-PS1-1