Phisical,Chemical+Changes


 * __Pysical Change__**-When a substance just looks different, but it remains the same substance

At the end of a change, always ask,"Is it the same substance I started out with, just looks a bit different?"

Examples of Physical Changes
 * Changing Size (Ripping Paper)
 * Changing Shape (Molding Clay)
 * Dissolving in water (Sugar in Water)
 * Filtering with Filter Paper (Sand from Water)
 * Change in State or Phase of Matter (Melting, Boiling, Freezing, Condensing)


 * __Chemical Change__**-When an object has changed substances

At the end of a change, always ask,"Is it the same substance I startes out with, just looks a bit different?"

Indicators of a Chemical Changes
 * Color changes
 * Energy-absorbed or realeased by the object
 * Odor Changes
 * Production of gases or solids
 * Not easily reversed