Review of Chemical Matter

Sand and gravel may be separated from each other by using..

• filter funnel

• sieve

• evaporating basin

• distillation

The separation technique that involves heating a solution until the liquid changes into a gaseous state, leaving behind a solid is known as

• decanting

•  evaporation

• loading

• chromatography

Tags

NGSS.MS-PS1-4

Which one of the following would you use to separate sand from iron filings?

• a bar magnet

• filter paper

• chromatography paper

• alum

A combination of 2 or more substances that can be easily separated is called- 

• a mixture

• a solution 

• a solute 

• a solvent 

Which of the following is a method of separating solutions?

• hand separation

• filtering

• screening

• evaporation 

Solutions are formed when one or more substances dissolve in another.

• True

• False

Which of the following is NOT a mixture?

• sand, salt, and rocks in a bucket

• trail mix made with dried fruit,
  nuts, chocolate drops, and
  pretzels

• water in a glass

• rocks and sand in the ocean

Salad is a mixture because

• the ingredients form a pure substance

• the ingredients are not chemcically combined

• the ingredients are chemically combined

• the ingredients go well together

In which of these do particles move slowest?

• matter

• gas

• liquid

• solid

Tags

NGSS.MS-PS1-4

Something that takes up space and has mass.

• volume

• matter

• mass

• density

Tags

NGSS.MS-PS1-5