Matter

Which describes water vapor leaving a river and going into the air?  

• A.  condensation 
• B.  evaporation
• C.  precipitation
• D.  runoff

Tags

NGSS.MS-ESS2-4

Is "sugar dissolves in water" a chemical or physical change?

• Chemical change
• Physical change

Tomato juice is made from ripe tomatoes.  Physical or chemical change?

• Chemical change
• Physical change

Tags

NGSS.MS-PS1-2

A pencil is sharpened.  Physical or chemical change?

• Physical change
• Chemical change

Friction wears away the treads on a tire after miles of driving.  Physical or chemical change?

• Chemical change
• Physical change

bending a paper clip is an example of a __________ change.

• chemical
• physical

 __________ describes how much substance something contains.  

• Mass
• density
• boiling point
• melting point

Weight is the measure of the pull of _____________ on an object.

• scale
• gravity
• mass
• force

Tags

NGSS.MS-PS2-4

 Mixtures can be _____________ into the substances that make them up. 

• separated
• placed
• melted
• blended

A physical change occurs when a substance _____.  (

• A.  breaks into individual elements 
• B.  becomes a new substance
• C.  changes from an acid to a base
• D.  changes shape, size, and form