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Physical and Chemical Changes
Transcript of Physical and Chemical Changes
atoms of one or more substances and a
change in their chemical properties or
composition, resulting in the formation
of at least one new substance: The cooking of the egg is a chemical change because it cannot go back to it's former state, and it is now edible. A good way to tell if there is a physical change it if is: cut, teared, folded, written on, painted, liquid, solid, gas, mixture, and solution. physical change- is a change in in a substance physical property changing size or shape. Chemical Changes How you can tell if there is a chemical change is if it:
-Bubbles of gas appear
-Color changes occur
-Light is emitted
-Change in volume occurs
-Change in electrical conductivity occurs
-Change in melting point or boiling point occurs
-Change in smell or taste occurs
-Change in any distinctive chemical
or physical property occurs. How are Physical Changes and Chemical Changes are alike How chemical and physical changes are a like is that they are both changing items. They are both categorized under characteristic properties. They are both accompanied with changes in energy. They are both changes and they are both matter. By: Kelsey Wallen
and Colin Campbell