Pure Substances & Mixtures

In a ______ mixture, each substance can be easily distinguished.

• heterogeneous

• homogeneous

What is matter?

• Matter is all things.

• Matter is only liquids.

• Matter is only animals.

• Matter is only things that are not alive (abiotic).

Tags

NGSS.5-PS1-1

NGSS.5-PS1-3

Oil and water are a

• heterogeneous mixture

• element

• compound

• solution

What is the definition of a mixture?

• 2+ different substances physically combined

• 2+ different elements chemically combined

• matter with a uniform and definite composition

What is a heterogeneous mixture

• A pure substance

• A mixture in which you CANNOT easily distinguish all the substances

• A compound

• A mixture in which you CAN easily distinguish all the substances

Any material consisting of only one type of atom is classified as what?

• A compound

• An element

• A heterogeneous mixture

• A homogeneous mixture

Gold, silver, zinc, and copper are

• elements

• mixtures

• solutions

• compounds

Salt water is a

• solution (homogeneous mixture)

• element

• compound

• heterogeneous mixture

Tags

NGSS.MS-PS1-2

Granite rock is an example of ______.

• an element

• a compound

• a homogeneous mixture

• a heterogeneous mixture

Which classification of matter is a pure substance?

• Elements

• Elements and compounds

• Compounds

• Elements and mixtures

• Mixtures