Scope 2: Pure Substances and Mixtures

A single substance, whether an element or a compound, with a defined composition and properties.

• Mixture

• Compound

• Pure substance

• Heterogeneous mixture

Mixture that has its ingredients mixed uniformly.

• Elements

• Homogeneous mixture

• Heterogeneous mixture

• Compound

A liquid mixture with a uniform composition that is formed when a solute is added to a solvent.

• Heterogeneous mixture

• Element

• Pure substance

• Solution

A mixture that has ingredients combined but not mixed uniformly.

• Heterogeneous mixture

• Solution

• Pure substance

• Compound

The substance that dissolves in the solvent to create a solution, for example: lemonade

• Solvent

• Solution

• Pure substance

• Solute

The substance in which the solute dissolves, usually water.

• Solvent

• Solution

• Pure substance

• Element

A characteristic that can be observed or measured without changing the substance.

• Mixture

• Pure substance

• Physical property

• Solution

Anything that has volume and mass.

• Solution

• Element

• Matter

• Physical property

Tags

NGSS.MS-PS1-5

CHOCOLATE CHIPS ARE

• SOLUTION

• NOT A MIXTURE

• HOMOGENEOUS MIXTURE

• HETEROGENEOUS MIXTURE

MILK IS

• MOLECULE

• HETEROGENEOUS MIXTURE

• SOLID

• HOMOGENEOUS MIXTURE