Physical and Chemical Changes Flashcards
physical change
a change in matter results in a change that can usually be reversed and does not change the chemical make up/composition of the matter example- a piece of paper being cut in half
chemical change
a change in matter that results in forming something new, it usually cannot be reversed, and it changes the chemical make up/composition of the matter
example- rust forming on metal that has been left in the rain
What kind of change?
the statue of liberty turning green
chemical change
What kind of change?
the tree growing taller
chemical change
Property or change?
the skateboard is yellow
physical property
Property or change?
iron is a good conductor
physical property
Physical or chemical change?
The grass was cut shorter
Physical change
Chemical or Physical Change?
The shirt burst into flames suddenly
Chemical change
Property or change?
I can smell the cookout
Physical Property
Property or Change?
The food is cooking
Chemical Change
Property or change?
The gold colored chain turned green after wearing it for a week.
Chemical change
Chemical or Physical?
Argon gas is not very reactive
Chemical change- because you have to test it out in order find out if it is or isn’t reactive
Chemical or Physical?
The magnet stuck to the metal chair.
Physical change
Chemical or physical ?
Baking soda became a paste when water was added.
Physical change
Property or change?
Diamonds have a high level of hardness on mohs hardness scale.
Physical property