Matter And Change Vocab Terms Question Preview (ID: 62348)


Vocabulary From The Classifying Matter And Chemical Versus Physical Changes Unit. TEACHERS: click here for quick copy question ID numbers.

Anything that has mass and takes up space
a) Atom
b) Molecule
c) Element
d) Matter

A substance that cannot be broken down into simpler substances by chemical or physical means
a) Matter
b) Element
c) Atom
d) Compound

The smallest unit of an element that keeps the element's chemical properties
a) Compund
b) Atom
c) Matter
d) Molecule

A group of atoms held together by chemical forces
a) Element
b) Compound
c) Atom
d) Molecule

A substance made up of atoms of two or more different elements
a) Element
b) Compound
c) Atom
d) Molecule

Matter that has a fixed composition and definite properties
a) Matter
b) Element
c) Pure substance
d) Compound

A physical combination of two or more substances
a) Element
b) Compound
c) Matter
d) Mixture

Characteristics that can be observed without changing the identity of the substance
a) Chemical property
b) Physical property
c) Reactivity
d) Density

The temperature at which a substance changes from a solid to a liquid
a) Freezing point
b) Boiling point
c) Melting point
d) Condensing point

The temperature at which a substance changes from a liquid to a gas
a) freezing point
b) melting point
c) boiling point
d) condensing point

A measure of how much matter is contained in a certain volume; the ratio between mass and volume
a) Melting point
b) Boiling point
c) Surface area
d) Density

A change that happens when one or more substances are changed entirely into new substances with different properties
a) Chemical change
b) Physical change
c) Boiling point
d) Melting point

The capacity of a substance to combine with another substance
a) Physical property
b) Chemical Property
c) Density
d) Reactivity

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