Physical and Chemical Changes
By: Megan Martens
Any charateristic of a material that can be observed or measured without changing the identity of the material.
- Color and Shape
- Length and Mass
- Volume and Density
The physical property of a substance change,but the identity of the substance does not change.
- Changing from one state of matter to the next. [ Ice melts to liquid-liqiud boils to steam]
- Melting Point 0 degrees C,and Boiling Point !00 degrees C.
- Slicing bread.
Any characteristic that gives a substance the ability to undergo a change that results in a new substance.
- Reacts with Oxygen
- Reacts with Light
- Reacts with Water
A change in the indentity of a sudstance due to the chemical properties of that substance. [ You have a new substance, is it reversible? ] NO!!!!
Flammability [ Fire burning to ash]
Reacts with Oxygen [ Fruit Rotting]
Heat and Light [ Vitamins can change when exposed to light]
Electricity [ Water can be broken down with electricity]