Physical Science

Is hammering wood together to build a house a chemical or physical change?

• chemical

• physical

Are fireworks exploding a physical or chemical change?

• phyiscal 

• chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is sqeezing organges to make orange juice a phyical or chemcial change?

• physical

• chemical

Tags

NGSS.MS-PS1-2

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

• a filter funnel

• a sieve

• an evaporating basin

• a 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

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

• a mixture

• a solution 

• a solute 

• a solvent 

A combination of two or more substances that cannot easily be separated--

• mixture

• solution

• solute

• solvent

Which of the following is a method of separating solutions?

• hand separation

• filtering

• screening

• evaporation 

A mixture combines 2 or more materials without changing their properties.

• True

• False

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

• True

• False