References

By aleaha buresh

September 18th 2009

Period 4th

Physical change

• Physical change does not alter the chemical properties of a substance.

• Physical change occurs when there is a change in phase, or form

Physical change

Chemical change

• Chemical change occurs when new substances are produced with new chemical properties.

• Iron reacts with oxygen to create iron oxide.

Chemical change

Example of physical change

• A snowman is a example of physical change because it is being made into something.

Example of chemical change

• A spring rusting is a chemical change because it is rusting away.

references

• Web site midway middle online book