Mixtures and Pure Substances

A __________________ is a substance that has definite physical and chemical properties such as appearance, melting point, and reactivity.

• mixture

• pure substance

• compound

• element

Tags

NGSS.MS-PS1-4

True or False: elements AND compounds are pure substances.

• True

• False

A _____________ contains a variety of elements and compounds that are not chemically combined with each other.

• compound

• element

• molecule

• mixture

A ______________ mixture is one that does not have a uniform composition.

• heterogeneous

• homogenous

• pure substance

A _________________ mixture is one where the substances are evenly spread throughout.

• heterogeneous

• homogeneous

• pure substance

_______________ are mixtures in which its particles are too big to stay mixed without being stirred or shaken.

• Solutions

• Colloids

• Suspensions

In a ______________, one substance is dissolved in another substance.

• solution

• suspension

• colloid

Tags

NGSS.MS-PS1-2

A type of mixture that falls in between suspensions and solutions are called ______________.

• solutions

• colloids

• suspensions

• pure substances

A snow globe would be an example of a __________________.

• colloid

• solution

• suspension

Tags

NGSS.5-PS1-3

Tea and air are examples of ________________.

• solutions

• suspensions

• colloids