CHEMICAL CHANGES

SOME CHEMICAL CHANGES OCCUR VERY QUICKLY. SUCH AS PAPER COMBUSTIONS. HOWEVER, CHEMICAL CHANGES IN EARTH`S MATTER OCCUR VERY SLOWLY. W E ONLY SEE THE EFFECTS AFTER HUNDREDS OF YEAR

THE EROSIVE ACTION OF WATER FORM UNDERGROUND CAVESWATER TRANSFORM ROCK MATTER BY DISSOLVING ROCK PARTICLESCREATING A CAVE.CRUDE OIL IS COMPOSE OF REMAINS OF LIVING THINGS. THESE REMAINS WERE BURIED DEEP UNDER THE GROUND THOUSAND OF YEARS AGO.

CLASSIFY THESE CHANGES IN THE TABLE BELOW.

1.- WATER FALLING DOWN A WATERFALL..2.- DEW FORMING ON LEAVES.3.- A ROCK DISSOLVING IN WATER.4.- ICE TURNING TO WATER.5.-A ROCK BREAKING INTO SMALL PIECES.

PHYSICAL CHANGE CHEMICAL CHANGE

CLASSWORK