PHYSICAL OR  CHEMICAL CHANGES

 

Classify the following changes as either chemical or physical.

Explain your reason for choosing that kind of change.

 

Change

Chemical or Physical

Reason

Steel wool turned the blackened pot silver

 

 

Lightning flashed across the sky

 

 

Acid caused the limestone to fizz

 

 

The  wooden steps rotted

 

 

Lemon juice turned the tea cloudy

 

 

A puddle of gasoline dried, but left a bad odor

 

 

Gravy in the refrigerator gelled

 

 

A blue-green lobster turned red as it cooked

 

 

A cavity formed in a tooth

 

 

Flash cameras flashed after the wedding

 

 

Ice cubes shrink in the freezer

 

 

A raw egg became a cooked egg

 

 

A piece of paper became ash

 

 

Mothballs gradually disappeared

 

 

The steel railing rusted

 

 

A silver spoon tarnished

 

 

The copper pot turned green

 

 

A rubber band is stretched

 

 

The baseball smashed the window

 

 

The cake batter  became cake after being baked    

Back to Worksheet Index

Back to Home