Modeling Matter Quiz 2 (Break It Down)

A subtance is something that is made of only one kind of _____ or molecule.

• liquid

• mixture

• gas

• atom

Tags

NGSS.MS-PS1-1

Examples of mixtures are all BUT _____.

• air

• silver

• milk

• soil

Mixtures can be _____.

• solids

• liquids

• gases

• all of the answers

Tags

NGSS.MS-PS3-4

True or false? Scientists often want to break down mixtures into parts.

• true

• false

Tags

NGSS.MS-PS1-2

True or false? Mixtures are always easy to separate.

• true

• false

Water molecules are _____ than many other kinds of molecules. Therefore, scientists have figured out how to use this property of water to filter pure water from the salty ocean water mixture.

Blood is a mixture, and _____ is/are the liquid part of blood.

• white blood cells

• plasma

• red blood cells

Scientists use a centrifuge to separate the parts of blood by _____.

• boiling the blood

• spinning the blood

• filtering the blood

Gas chromatography separates substances mix a mixture by the _____ of their molecules.

• shape

• size

• color

• number

The _____ of the substances in a mixture are the keys to breaking it down.

Tags

NGSS.MS-PS1-2