Physical and Chemical Changes

Physical ChangeAnything that changes the physical

properties of a substance

SizeShapeTextureColor**LusterPhases/StatesETC

How To Cause Physical ChangesSize

Cutting Breaking Stretching

Shape Cutting Sanding Breaking

Texture Sanding Scratching

Color** Painting Coloring with Markers

Luster Sanding

Phases Any Phase Change

Mixing Taking two Substances and Mixing them Together

Chemical ChangeCauses a NEW SUBSTANCE to be

formed!New substance has NEW properties

DIFFERENT from original substance

Signs of a Chemical ChangeEnergy Released

HeatLightSoundUV / Microwaves / Radiation / Gamma Rays / ETC

Formation of a GasBubblesFoam

Color Change **“Rusting”BleachingRotting

More Signs of Chemical ReactionsChange in Temperature

Exothermic Reaction To GIVE OFF heat Substance gets WARM or HOT (Increase in Temperature)

Endothermic Reaction To TAKE IN heat Substance gets COOL or COLD (Decrease in Temperature)

Formation of a SolidPrecipitate