1.2 EXIT TICKET Classification of Matter

A cup of coffee is best classified as:

• a pure substance

• a solution

• a heterogeneous mixture

The gas in a scuba tank filled with 30% oxygen and 70% nitrogen is best classified as:

• a pure substance

• a solution

• a heterogeneous mixture

Aluminum foil is a pure or nearly pure substance.

• True

• False

Rice pudding is best classified as:

• pure substance

• homogeneous mixture (solution)

• heterogeneous mixture

The diagram shows

• Molecules of one compound

• Molecules of multiple compounds

• A mixture of atoms and molecules of one element

• A mixture of atoms and molecules of one compound

Tags

NY.SCI.6-8.MS-PS1-1

True or False: All compounds are made up of molecules.

• True

• False

Tags

NGSS.MS-PS1-1

A heterogeneous mixture has uniform composition throughout.

• True

• False

Salt water is an example of a homogeneous mixture.

• True

• False

Milk is best classified as:

• a pure substance

• a solution

• a heterogeneous mixture

Pure table salt (sodium chloride) is best classified as:

• a pure substance

• a solution

• a heterogeneous mixture