Cornell notes 8-1

What is physical change?

A physical change is a change in which the properties of a substance change but the identity of the substance remains the same. Another example includes; melting, grinding, evaporating, etc...

How to form new properties?

All chemical changes produce substances that are different from the starting substances. A compound is decomposed into its element. Two element join to form a compound.

What are chemical properties?

Examples of chemical properties include burning or rusting. Some substances don't react.

What is physical and chemical change?

In a chemical change, the properties that give a substance it's identity change. Properties of matter helps identify objects. Properties are either physical or chemical. A chemical property is the ability or inability to combine with or more new substances.

What are physical properties?

Physical properties can be observed without changing the substance

Summary

What I learned in chapter 8 lesson 1 is about physical and chemical changes. A physical change is when it changes but the identity stays the same. Chemical changes is a change from one substance into another substance. An example of physical change is melting, grinding, and evaporating. When something burns or rusts it is an example of a chemical property. Physical properties can be observed without changing the substance. And that's what i learned in chapter eight lesson one on physical, chemical properties and changes.

What is chemical change?

Chemical change changes one substance into another substance.