Physical and Chemical changes
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The Properties of Physical and Chemical Changes
Physical Change: A change that does not alter the chemical makeup of a substance.
What is a Physical Change?
Crumbling or cutting a piece of paper is an example of a physical change because it is still a peice of paper, crumbled or not.
Example of a Physical change:
Chemical Change: A change that alters the chemical make up of a substance or creats another chemical
What is a Chemical change?
A rusty nail is an example of a chemical change because the iron in the nail reacts with oxygen in the air and over a period of time creates a new substance, rust
Example of a chemical change:
Physical:change in shape, size, state of matter, texture,density or volume Chemical: change in color, bubbling,heat,and burning
How do you identify wether a change is chemical or physical?
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