Matter & Chemical Changes Vocabulary

Compound that is sour and dissolves some metals (a substance that has a pH below 7)

• Base

• Homogeneous mixture

• Heterogeneous mixture

• Acid

The attraction of molecules of one kind for molecules of a different kind.

• Adhesion

• Cohesion

• Surface tension

• Solution

Compound that has opposite properties of acids, is bitter, and feels slippery (a substance that has a pH greater than 7)

• Base

• Homogeneous mixture

• Heterogeneous mixture

• Acid

Reaction that occurs when one or more substances are converted to one or more different substances.

• Corrosive

• Chemical reaction

• Chemical property

• Physical change

The attraction of molecules for other molecules of the same kind.

• Corrosive

• Adhesion

• Cohesion

• Surface tension

A substance consisting of molecules that contain more than one kind of atom.

• Element

• Compound

• Homogeneous mixture

• Heterogeneous mixture

A substance that can break down other substances.

• Corrosive

• Neutral

• Physical change

• Adhesion

A pure substance that cannot be broken down into simpler substances.

• Molecule

• Solution

• Product

• Element

A mixture in which the components are not uniform and where different samples from the mixture are not identical to each other (you can see the individual substances).

• Homogeneous mixture

• Heterogeneous mixture

• Compound

• Precipitate

A mixture in which the components are uniformly distributed throughout and where the composition of the mixture is the same throughout (looks the same throughout).

• Compound

• Homogeneous mixture

• Heterogeneous mixture

• Precipitate