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CHAPTER 2 MATTER AND CHANGE (Part 3) - Coggle Diagram
CHAPTER 2
MATTER AND CHANGE
(Part 3)
Physical Change
def: a change to a sample of matter in which some properties of the material change, but the identity of the matter does not.
2 Types of Physical Changes
Irreversible
def: the original form cannot be restored
Examples:
Breaking a tree branch
Breaking Plastic
Cracking an Egg Shell
Break a brick
Reversible
Melting
Vaporization
Evaporation
Freezing
Dissolving
def: the original form of the matter can be restored
Boiling
Chemical Change
def: produces a different materials than the ones we started with
CHEMISTRY DEFINITION HERE
One aspect of the science of chemistry is the study of the changes that matter undergoes.
One type of chemical change is when two elements combine to form a compound.
Another type involves the breakdown of a compound to produce the elements that make it up.
vast majority of chemical changes involve one compound being transformed into another compound.
millions of possibilities when we take this approach to chemical change.