Topic 1 Vocabulary-Neal

Front

What is the basic unit from which all matter is made?

Back

atom

Tags

NGSS.MS-PS1-1

Front

What is a substance made of two or more elements that are chemically combined in a set ratio?

Back

compound

Front

What law states that matter cannot be created or destroyed in any chemical or physical change?

Back

Law of Conservation of Mass

Tags

NGSS.MS-PS1-5

Front

What is a characteristic of a pure substance that can be observed without changing the matter into another substance?

Back

physical property

Front

What is a single kind of matter that always has a specific makeup, or composition?

Back

substance

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is the term for a mixture that has a uniform composition throughout?

Back

homogeneous mixture

Front

What is the term for a mixture that consists of visibly different substances or phases?

Back

heterogeneous mixture

Front

What is the process called when a solid changes directly into a gas without becoming a liquid?

Back

sublimation

Tags

NGSS.MS-PS1-4

Front

What is the term for the amount of space an object occupies?

Back

volume

Front

What is the term for the mass per unit volume of a substance?

Back

density